Harley evo loses oil pressure. This will NOT happen with our gauge.

Harley evo loses oil pressure Jan 19, 2025 · Ultima EVO 113" No Oil Pressure. Low Oil Pressure. Feb 21, 2024 · However, idle (hot) oil pressure will vary from 7-17 PSI on most models. Dec 14, 2008 · HELP! I've got no oil pressure and the dummy light is on. Preferably, oil should be changed every 100mi and filter every 200mi for the first 500mi. If I was going to tap into the case, I would stuff a small rag saturated with grease into the hole, then a dab of grease on top of the rag. Starting Issues Oct 9, 2021 · 1988 1200 EVO sportster (in UK) No oil pressure after fitting a new oil pump etc. com Save Share Feb 28, 2010 · Let it cycle a few times to determine what the highest pressure is… and compare it to the other. The needled have a nasty way of being able to shear the oil pump drive gear key. When I put a shovel pump on my '52, I oiled the shovel boxes from the oil pressure port. The reason 5 micron is claimed to be important is for the piston oil jets that are . I had the same thing on an 11 103. read low at idle and about 30psi (center of gauge) at cruising speed. Jan 7, 2021 · This will cause you to replace your gauge. The oil comes from the return oil passage from the top end, which must transfer from the cylinder into the engine block via a hole in the base gasket. might have been a crappy run from whoever makes them. I also replaced the relief valve spring. Now I run synthetic Oil Royal Purple 20W-50W. Drag Specialties Oil Pressure Switch For Harley EVO Features. Now when you release the screw do not lose the spring that is under there. I figure something's up with the oil pump. The shorter one of the 2 houses the check ball. May 21, 2023 · On an Evo, when installing the oil pump, I jack up the motorcycle, leave the pressure relief cap off and the spring and check ball out of the oil pump, put it in gear, then turn the rear tire by hand to prime the oil pump. com FREE DELIVERY possible on eligible purchases Chrome Shorty Style Oil Tank Dipstick w/Oil Temperature Gauge - White Gauge Face - Fits 1979-2003 Harley Sportster & 1984-1999 Harley Softail Big Twin EVO - Replaces HD Part# 62668-87T (40-0674) 4. 25-30 at speed is fine. the bike should be started in knowing that you had May 20, 2014 · 2011 Road King Classic, S&S 124 LC, High Flow fuel injector, 58mm throttle body, Energy One clutch and AIM clutch module, Bassani fishtails on V&H Dresser Duals, Arlen Ness Big Sucker Stage II Air Cleaner, Power Vision. This SE kit with a Baisley spring will increase his oil flow by over 16% and scavenging by over 29%. Damaged Or Missing Bearings. Although this problem might be terrifying for some drivers, fixing your oil pressure can be as simple as changing the oil. May 30, 2009 · The oil tank on my 2002 sportster 1200 builds up so much pressure that it blows the dipstick out of the oil tank. Nov 22, 2019 · 7 lbs at hot idle is fine. It relieves high pressure it won't make up a lack of pressure. I pulled the plugs and cranked it to make sure I was getting any oil flow at all out of the hole. The custom mounting brackets have been polished and chrome-plated to rigid Harley-Davidson ® standards and the guage offers premium reliability. VMS RACING 0-60 Psi Oil Pressure Gauge Kit allows for accurately measuring Oil pressure in your HD Big Twin Shovelhead Evo Engine for the years mentioned. Jul 4, 2024 · Oil light came on after the engine got hot and wouldn't go back off, even at those higher RPM from before. Hydraulic lifters and rocker shafts are the only components that have to have higher pressure of oil. I also found a small peaice of metal in there that may have caused the keyway to shear. The mod I did just raised my start up oil pressure 10 PSI. Apr 20, 2009 · The problem: Evo filters are rated at 30 microns, have a softer bypass spring for lower oil pressure pump. Jul 2, 2013 · Ran into a problem with the oil pressure. I was almost home when this happened so soon as I got home I checked the oil and it was low. Bigger question considering your blowby is are you wet sumping, starving the feed side of the pump and filling the engine with oil creating extra oil to be pumped out the breather? Aug 13, 2010 · Dave, Thank for the reply I am running 60wt. As soon as the slightest pressure from the pump reaches the ball check, the ball is lifted and the oil flows past it. Dec 14, 2023 · If the oil pressure in your Harley is too high, check for the correct oil viscosity, inspect the oil passages for blockages, and ensure the oil pump is functioning correctly. Issue discovered and solved. Oil exits and drips onto the (as of yet uninstalled) spinning chain below. oil and as the motor warms to operating temp. Test ran and oil light did not go off so doesn't appear to have oil pressure. The crankcase is supposed to have negative pressure, something around 3-4 inches of water. The system is a high volume low pressure system. shavings. The rag and grease will catch alum. Nov 6, 2010 · The engine runs ok - but the other day I went to take it for it first ride after 3 months of work and I started it no problem back out of the garage and before putting it in gear I looked down at my oil tank cap and saw oil absolutely gushing out of the breather hole in the rubber stopper (filler cap) I guessed this was due to me over filling Sep 28, 2014 · The reason for the question is that if there was only a couple of quarts in it, it is possible to lose oil pressure during acceleration, braking, or hard cornering. In the Case of a Defective Oil Pressure Switch: This switch opens and closes the contacts to the oil pressure light. Pump feed to filter was routed to inside of filter mount which feeds outside of filter element. I'd be riding along and the motor would start to get progressively louder, indicating a need for a squirt or two of oil. Make sure oil's at normal operating temperature for accuracy. but check that rocker box cover gasket (the top or first gasket from the top), in the front of each jug. In cold weather, it wouldn't hurt to leave a hair drier or heat lamp under the sump to preheat the oil some before startup. I also asked and was told that it is classic Harley to have LOW oil pressure. Jul 7, 2011 · Pinned oil pressure gauge Jump to Latest 9. When engine cold pressure was about 50 to 55 and after warming up went down to about 30 to 32. Aug 4, 2015 · The oil pump check valve on Harley's external oil pumps has a history of developing leaks which allow oil from the tank to flow into the sump while not running. One is taller than the other one. Previous topic - Next topic. Jul 13, 2015 · My 2009 Electro Glide Ultra Classic had been in the shop for 6 mo. Eliminated spring loaded chain tension Jun 16, 2003 · They also say if you need to add oil and don't have Harley brand oil to use oil certified for diesel engines. After that, I fired it up. This article will provide an in-depth analysis of the possible Customer: I have a 1998 EVO Harley and I lost oil pressure and we pulled the motor and the keyway for the oil pump was sheared. The oil cooler OUTLET must direct oil flow into the RETURN to the oil tank. Been thinking about getting a high volume oil pump to maybe increase pressure at cruise speedor does it matter? May 29, 2015 · MY 1995 1340 evo roadking oil light stays on at idle when the engine is hot, I've chenged the oil and filter using genuine harley davidson, changed the oil pressure switch and even done a full engine flush with 4 litres of flush oil which as made the oil light stay on until 1200 RPM's, before i flushed the system the light would go off at a round 1000/1100 rmp's. Jan 29, 2018 · I put the guage on to make sure I had oil pressure untill I fixed my wiring issue. Warm engine at 55 mph and up: 30 to 36 psi. I thought it might be the base gasket for the rear lifter box or the sender itself. Too much oil in the head area will cause carry over into the breather as well. The oil filter itself is twice the volume and a few PSI less for bypass pressure. this is located directly under the oil filter on the '05 sporty. IMHO high oil pressure for Harley's is a selling point. I added 1 and a quarter guarts of syn3 to May 23, 2020 · Put a service gauge on it and see what the pressure is. Jun 20, 2010 · The low oil pressure light should only come on when there's less than 3 lbs. Jul 24, 2017 · Stiffer spring won't help idle oil pressure, only the normal running pressure. Could this be the oil pressure switch? Aug 13, 2010 · Dave, Thank for the reply I am running 60wt. If the pump can't scavenge the crankcase fast enough it loses that negative May 5, 2009 · My '98 Evo. May 13, 2009 · Hello to all, newbie here, first post. Lots of issues with Harley oil pressure sensors. I've got oil flow but no pressure. AustinFXDWG 2003 Dyna Wide-Glide' SE203 Cam, Mikuni HSR42 Carb, SE AC, SE-II Slipons, S&S Intelligent Spark Ignition, Race Tech Gold Valve Emulators / Springs, HB125 Tensioner, Passing Lamps, Mustang Touring Mar 1, 2014 · The oil comes out of the case into the lifter block. Make sure you have the correct weight oil, and you might want to try a synthetic, as they thin less when hot. Nov 12, 2009 · Need a bit of advice please, just purchased a great little oil pressure gauge from a local auto jumble and really want to get it fitted over the weekend while the weather is bad, however i need to know where the oil pick up will be on a 1990 EVO sportster engine. Again no clatter. Apr 5, 2014 · The oil flows down to the pump from the oil tank by gravity. Multiple engine components can get damaged with time. e. Will try again tomorrow when cold. Too much oil pressure will actually raise the oil temps, loads the pump too much and eat up some hp. Low oil pressure is a common issue with the Evo engine. Motor rebuilt by Southside Motorcycle, Orland Park IL (708) 361-0942 Dec 12, 2010 · And when I pull the oil tank plug, it pops off under pressure. Then to the lifter and up the push rod. So 5 micron seems like overkill to me. com/https://www. NO OIL PRESSURE. By the way, my '06 Ultra normally ran at 230 degrees in the summer at highway speeds with oil pressure readings about the same --- maybe just a tad May 8, 2014 · Check to see oil is pumping back to the tank, to the rockers, down the p-rod tubes, and up the lifter blocks. To address this issue, Harley-Davidson has developed a fix that involves installing a new oil pump, which comes standard on 2020 and newer models with the Milwaukee-Eight engine. Sep 27, 2023 · The finest year for Harley’s Evolution (Evo) engine corresponds to the years when Harley-Davidson manufactured their most exceptional motorcycles featuring the Evo engine. Heat from the pipe had killed the sensor. If you’re dealing with oil coming out of the crankcase breather on your Harley, you’ve come to the right place. Oil tank is half full. But as soon as the bike is cranked it drops back to 0. Mar 9, 2024 · Take a moment to check out my webstore!https://philsworks. Dec 16, 2005 · TC oil systems have a pressure control valve in the cam plate, that directs the oil back to the intake of the oil pump beyond a certain pressure. myshopify. Bigger question considering your blowby is are you wet sumping, starving the feed side of the pump and filling the engine with oil creating extra oil to be pumped out the breather? Jun 6, 2009 · Low oil pressure when you did this is a lack of oil to the pump, lifters collapsed from lack of pressure. jpcycles. Jun 21, 2010 · well its obvious that this forum site is a waste of time, by the responses i've received!!!! but to explain, i NO i do not have any oil pressure as i said before! therefore yes there is valve train noise but i did not ride it once my light came on and my gauge was showing no pressure. A drop in oil. the oil probably drained from the oil bag into the crankcase. I have noticed that when I start the bike up the oil pressure gauge goes right up to the max and runs there for a while. After about 6 miles on test ride oil temp climbed back up to 300 and oil pressure dropped back down to 5lbs or less. If the oil level is adequate, the next possible culprit could be your oil pump. I've already changed the oil and filter and checked the oil level. Photo by Lemmy. Pump, Pump, Pump, Hold, then crack the bleeder and release fluid into the reservoir, then repeat until the handle is solid. Apr 13, 2007 · Oil changes are relatively inexpensive and is really the only way to remove the metal from the motor. in order to access the area with the most amount of space, it is advised that the wiring harness located directly below the oil filter area, be un-plugged, and moved out of Nov 17, 2023 · Issues With Low Oil Pressure. Harley engines are noted for "no oil pressure when idling hot". If the oil lines connected to the filter adapter are reversed, and you use a filter with an anti drainback valve, the oil will not pass through the filter, it will just accumulate in the crankcase and then blow out the breather. See the attached drawing. May 3, 2015 · A cam chain failed a couple months ago and the local Harley shop replaced the chains, cams, oil pumps and flushed the oil system. Still no pressure. has had a leak around the oil pressure sender. Jan 10, 2009 · When running I have little to no oil pressure, and slight dripping out of the breather tube. Every time you drain the oil, swirl the catch pan to see how much metal is still there. It's a 99 Softail crate motor from Harley with a Santee oil tank and 2" straight pipes. Jul 22, 2011 · the pressure sender portion of the switch for the gauge works exactly backwards electrically from what you would expect. Apr 21, 2013 · MY 1995 1340 evo roadking oil light stays on at idle when the engine is hot, I've chenged the oil and filter using genuine harley davidson, changed the oil pressure switch and even done a full engine flush with 4 litres of flush oil which as made the oil light stay on until 1200 RPM's, before i flushed the system the light would go off at a Jul 19, 2020 · I have 06 Electra glide standard that I bought a oil pressure guage for the fairing. Warm engine at idle: at least 10 psi Mar 28, 2005 · When the top end oil pressure exceeds the spring pressure, the ball valve opens and lets oil flow to the bottom end. Just keep turning until oil comes up and no air bubbles. com FREE DELIVERY possible on eligible purchases Oil burping (sumping) on start up is not a breather problem, it is an oil pump check ball problem. I know oil is being pumped around the system as i have an oil filter located at the back of my bike via remote car style oil filter and have checked to see that oil circulates. My normal oil pressure is 10-15 psi hot. Remember the only part of a Harley motor that NEEDS oil pressure is the lifters, everything else needs oil flow !! May 7, 2021 · 01. Has to be a good revenue generator for the Nov 13, 2011 · The only possible problem with an electric gage is getting the right sending unit. You should see the consistency of the metal diminish. Sep 15, 2022 · Oil pressure would randomly drop while riding. I've triple checked that the oil lines were hooked up correct, and I'm reading good oil pressure. All oil coolers and lines are installed in the part of the oil flow loop that RETURNS engine oil to the oil tank. A malfunctioning oil pump may not be able to deliver oil effectively throughout the system. May 5, 2011 · So heres the issue. I was just riding home from work, no unusual noises, just the oil light came on and pressure dropped to 0. After replacing lifters, oil pressure dropped to almost 0 hot and oil light comes on at idle. And, yea, if you change gauges, it usually changes the oil pressure reading so. Apr 26, 2020 · the bike wouldnt read oil pressure for 5-10 minutes of the bike running. Remove the gauge wire and ground it with the ignition on and the gauge needle should go max , unground the wire and the gauge should zero . Dec 9, 2022 · #4. This is a storage find 10 years just sitting on a lift. T. The added volume of oil leaves less volume for expansion and compression of crank pressure, and so the pressure blows the oil out of the breather. Notice that at idle the oil pressure is on zero. Frequently Asked Questions Can I Use Any Type of Oil for My Harley Davidson? You can't use just any oil for your Harley Davidson. All this time the engine is starving for oil. Jan 7, 2021 · Buy VMS RACING 0-60 PSI Oil Pressure Gauge with Fittings Adapter Kit Compatible with Harley Davidson HD 84-99 Evo Evolution Engine Models 1984-1999: Gauge Sets - Amazon. I've heard all of the discussion about flow being the most important thing. And "NO" it does not have the hi-flow oil pump in a stock 07. And evo with low oil pressure after a ride is almost always a pump issue. Sep 2, 2017 · Sitting for 5 yrs. Aug 6, 2015 · That didn't really work, so the MoCo added an oil cooler. 025”-. when these bikes sit for an amount of time the oil gravitates from the tank to the crank case. January 19, 2025, 03:47:50 PM Welcome, albeit a bit slow as my garage is only 60 degrees and its Harley 20w50 dino oil. Jan 13, 2012 · That is generally caused by: 1) excessive blow by from worn compression rings or 2) from the sump having too much oil, causing excessive pressure in the case. Having trouble starting up your motorcycle? Well, you might want to check your oil pressure. Open the anti drain screw and the pressure ball on the pump. Jan 29, 2008 · All this vent talk reminds me of a '38 Flathead 80 I used to bomb around on which had a total loss oil system. Diagnostic Procedure. Another EVO with low oil pressure. Oct 7, 2009 · pressure guage install is best served by installing a "tee" into the feed for the oil pressure sending unit. How to remove and replace oil pressure relief valve on Harley Twin cam engines. There was a plunger on the oil tank, which I would manually pump until the noise subsided to its normal clatter. So when I did the rebuild this winter I bought a new sending unit to install. , it will become low upon being heated. Mar 16, 2006 · So last week, I drained the oil, changed the oil filter and when I was draining the oil I turned the motor over for about 10 seconds to pump all the sys3 oil out of the system. Tech felt bike was labored. Any help? Oct 18, 2010 · I used the yellow one on the top first time I put them in but had lost the washers. Scared of the lack of pressure, I put on a new S&S oil pump. Makes oil delivery much easier as well without sacrificing filtering. That is why the oil tank is always mounted higher than the pump. Jul 8, 2024 · By staying proactive and mindful of your oil levels, you'll help your Harley Davidson run smoothly and efficiently for miles of liberating rides. When I put a test light on it I have power. Bike runs fine with no lifter noise. A TC filter has a 10 micron rating and stiffer bypass spring for higher oil pressure pump. Low oil pressure is a common problem with the Evo engine. If you’re getting low oil pressure, the engine will have a hard time running. May 31, 2011 · I just recently put an oil pressure gauge on my '98 Road King and was also surprised to see that it was around 18-20 cruising hot and about 2, yes, TWO pounds idling hot! I know it's not the same motor, but it's Harley. Dec 27, 2008 · Way too much pressure. If it does come out of the hose, everything should be alright. R. I did and he wound up draining well over a quart of extra oil out of it. Aug 6, 2015 · It could be that the oil pump just needs to be primed, or the oil hoses have been switched around, possibly at the oil filter adapter, which would stop oil flow if an oil filter with an anti-drain back valve is being used. I'm installing the gauge in the hole where the pressure switch normally goes. com FREE DELIVERY possible on eligible purchases Jan 12, 2024 · Low Oil Pressure Problems. I loss all press, even at cruising rpms! The light come on and stays on, even when reeving. Jul 26, 2009 · Oil pressure relief valve sticking?? (update) I installed a set of cams in a freinds 96" 07 streetglide, it had 6 thous runout on the crank, weve tried to line up the oil pump twice now, once not using pins and the 2nd time using pins and it's still sumping, it's also running about 5psi more on oil pressure than before, could the relief valve in the cam plate be stuck causing this, a mech at Jan 23, 2011 · If not, you have an oil pump problem. pressure . All Harley Twin Cam engines have a Jan 7, 2021 · This will cause you to replace your gauge. The other reason is filter bypass pressure may not be to HD spec. To diagnose this issue, use an oil pressure gauge to measure the oil pressure while the engine is running. (Case #2 can sometimes occur when you change oil and while filling, the oil can migrate into the sump, causing excessive pressure in the case. After about 3 hours they did a oil pressure test and took it for a test ride. No leaks that I can tell, it does burn a bit of oil Jan 5, 2005 · I see on the K&N websight the filter listed for the evo as KN-170 which has no anti drainback valve. About 30 miles later I If the oil level is too low, it can cause the oil pump to draw in air, leading to a drop in oil pressure. If it does the gauge is ok and the sending unit or wireing would be faulty or there's something wrong with the oil pump . https://go. Aug 5, 2012 · It has a 96” S&S Evo that has started building up so much pressure that it has blown the oil cap off twice and drenched the rear end of the bike as well as my own with scalding oil. The bulb checks okay (even put a new bulb in,) the wires from the first connector to the bulb test okay - but there is no voltage to that connector or to the bulb. and 20 psi at 55 mph. It will drop back to 30lbs when the engine is warmed up good but until then if I rev the motor it will go to max. instagram. starting may seem sightly harder and seem like the battery is going dead. The years 2005, 2010, and 2014 are widely regarded as the best for the Evo engine, as these were the years when the company produced their iconic “Sportster 🔧 Sign up for the free FMH newsletter to receive the latest Harley repair & maintenance tips delivered right in your inbox. Jul 19, 2020 · I have 06 Electra glide standard that I bought a oil pressure guage for the fairing. " My old bike gets 44 psi at cold start15 psi at idle. Nov 29, 2016 · Buy Rocker Box Oil Pressure Gauge Mounting Kit for 1984-1999 Harley Big Twin Evolution Engines on Touring, Dyna, FXR & Softail - Comes with Chrome 1/8" NPT Fittings & Polished Stainless Steel Gauge Mount: Gauge Sets - Amazon. Harley-Davidson Dealership. The filter for the twincams is listed as KN-171 with the valve. 00003937”). Aug 9, 2011 · The instructions say, "44 psi at cold start up10 psi at idle30-35 psi at 55 mph. But if my TwinCam did this and it wasn't an issue of low oil, I'd be opening up the cam chest, inspecting the oil pump and associated parts first. I'd also drain the oil, remove the oil filter, and cut it open, looking for debris Mar 26, 2018 · A properly functioning oil pressure warning light will get your attention as soon as a low oil pressure problem occurs, a gauge will not, especially if it is mounted next to your knee US Navy Veteran 1974-1979 (AD2), FAA A&P Mechanic since 1980, 1989 FLSTC, 2016 FLHR, 2019 FLHT, 2022 FLHTCTGU Apr 6, 2020 · Same oil pumps ! The kind of oil leakage you're describing is a symptom of positive crankcase pressure. The oil pressure does not move however. Higher pressures just pump excess oil into the motor, where it causes issues such as increased carry over, and sumping. somewhere in your wiring between the sender and the gauge is open. The OLD Harleys had total loss oil systems with oil supplied by a hand pump. Upgraded to a new cam plate, cams and oil pump. I've ridden bikes a lot of miles that hold less than 20 lbs of pressure going down the road when their hot. Screaming Eagle ignition,V Dec 18, 2011 · Evo and twin cam oil pressure hole's are both 1/8" npt, but the location is different, so the sending units may not interchange. i went on a longer ride a while back,parked for a few and when i started it back up i never got the oil pressure back. The bike was fine when stored last fall but on the first ride of this season I have devoleped this problem,Any help would be great. Started by Muldoonsghost, October 09, 2021, 06:48:55 PM. The crank case vent tube in the air cleaner is shooting a stream of oil when I turn it over, not even running. Stuck in traffic and the oil light came on with 0 on the gauge. www. After that it enters the rocker through a hole in the pushrod socket, lubes the rocker and sprays out a hole in the other end to lube the valve tip. I believe the restrictor was after the lifters allowing them to receive the benifit of increased pressure. Dec 13, 2016 · In fact, modern two-strokes are still total-loss with regard to the lubricating oil. I just bought my bike a few months ago and have had no problems until now. Since I bought my 94 ultra the oil pressure gauge hasnt worked. If you let you bike idle no oil gets to the bottom end until you rev it up and the oil pressure exceeds the spring pressure. So I checked the oil level, between the marksOK, Tried it again for 20 seconds more, no oil pressure again. Need help Oct 11, 2019 · Replacing the pressure relief spring will not raise idle oil pressure. All was well for a few weeks, then I started occasionally noticing lifter clatter for a few second after start up when starting hot. Given the motor has roller bearings (vs pressure bearings) they need good lubricant volume but not as much pressure as a sleeved bearing. If the bearings are missing or worn out, it can reduce the resistance of oil flowing in the galleries and oil lines, and consequently, it severely affects the oil pressure, i. If you increase the pop off pressure of this valve (spring rate) oil pressure will rise to the level controlled by this valve. Get back up to highway speeds and oil pressure indicator gradually goes from left of the "32" mark to right of the "32" mark. as oil pressure increases the resistance in the sender (relative to ground) decreases and the gauge goes up. Since the oil pressure is measured after the spring/ball you see an increased oil pressure reading. This can lead to inadequate lubrication of the engine parts, leading to increased wear and tear. But when switching just to the on position it registers at 30-35. To fix this, simply refill the oil to the required level. I cant seem to make head nor tail of it at present. Is there any reason why pressure would drop after replacing lifters? Mar 7, 2011 · Just put together my '95 evo with new cam and hydraulic lifters. Jul 7, 2023 · If you are experiencing low oil pressure on your Harley-Davidson Evolution motorbike, there are several things you can do to fix the problem and get back on the road as soon as possible. I told ya I'd keep this short ! Nov 12, 2019 · I ost oil pressure on my 2005 road glide 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers. But the most common component is bearings. Well, bought a oil pressure gauge that mounts on the motor case in front of the oil pump got the following measurements on a new 120" ultima evo style motor. I've always preferred gages to idiot lights, and I'm guessing you're smart enough to train yourself to monitor yours. Edit: 95(roughly) percent of the engine oil is always in the oil tank, the other 5( or so percent) is either being pumped at volume (low pressure) to the roller bearings, or pumped to the valve train( at low volume higher pressure). Feb 6, 2003 · He told me that when the Softails (maybe others too) sit for a while, the oil sumps down into the crankcase and the oil level appears low, so if you don't know this, you can overfill the oil bag and this can occur. I just put on the oil cooler as suggested so my 113 won't eat a piston or scorch a wall. Jun 1, 2013 · I replaced the lifters on my 92 EVO BT. i let it cool down so i could make some obvious checks. It's his 90's Evo 1500 cc engine that's acting up. If these are in order, consult a professional mechanic. Dec 10, 2023 · However, like any mechanical device, it’s not immune to certain issues. Oct 26, 2020 · Hey guys I just purchased my wife a 2011 Tri Glide. It's essential to use the oil type recommended by the manufacturer . They need 3-5 to stay charged. Decided to get a gauge. And if you are building for power, you should look into the power requirements of pumping high pressure fluids. Notice the breather tube sticking out of the engine case. Then the gear is slipping but there is enough key left in there to spin the pump at a reduced amount but still enough to keep the oil light off . 1996 FXDS-CONV S&S E. Save Share 2 days ago · I have heard many times through the years the evo oil pressure at idle with a warmed up engine is 0 psi. Secondly, because of the design of the oil system, looking in the oil tank for circulation before pressure builds doesn't really tell you anything. The 20 w 50 does make sense for the quicker pump up. Last weekend went on a ride and oil pressure running higher than normal. Started by SixShooter14, December 08, 2023, 07:30:20 PM I did lose the oil pump back in April this year and replaced with a Nov 2, 2014 · The biggest argument seems to be around the 5 micron filtering that Harley claims for their filters. Oil systems became the recirculating type in the 1930s. Sep 10, 2007 · As stated the lifter roller needle bearings are common to go bad. They say it’s suppose to just plug and play. When I hook it all up I have the light lighting up. May 11, 2010 · The oil pressure is very erratic and not consistent. That means that oil is leaking past the oil pump and into the cases when the bike is parked. Idiot light is working. 7K views 12 replies 5 participants last post by gbhunter Jul 13, 2016 Mar 1, 2006 · Synthetic Oil Yeah, synthetic oil in the engine is going to set you back a good amount at each oil change. Direct pressure gages are just simpler. I was trying the 60 hoping the oil wouldn't leak past the seat in the lifter as easily. " Not sure what bike you wish to use 40W in but I've got over 100,000 miles on 15-50 or 20-50 without any oil related issues. Proper Oil pressure is CRITICAL at full throttle to prevent premature engine wear. Can or should you use the one with the anti drainback valve on an evo? Reason for asking is I purchased one for my evo today and I was given the 171 as the correct one for my bike. Have never had that high of oil pressure before except during winter. Started by SixShooter14, December 08, 2023, 07:30:20 PM I did lose the oil pump back in April this year and replaced with a May 9, 2012 · But I do know for a fact that a Baisley spring will give him a little better oil pressure. The check ball is not seated correctly or solidly in its seat. Could this be the oil pressure switch? Jan 11, 2016 · I have an evo single cam engine I have installed an ultima high volume oil pump and an oil pressure gauge on it. So, at idle, the oil check valve (or ball) may only be opened just past it's cracking pressure (not to it's end of travel). fixmyhog. I picked it up at the shop an was told that they had changed the oil out to Amsoil 20w50. Don't let an oil pressure gauge Cold engine start-up: around 44 psi . Had similar issue. Checked oil and it full. Mar 31, 2009 · If its a mid 90's Evo, some oil will drip out the air cleaner due to the vent dumping in there. 0 Members and 1 Guest are viewing this topic. May 9, 2011 · The spring isn't at the oil screen, (oil screen is in the boock) it's under a cap on the oil pump that covers the oil pressure relief valve. And because evo's don't need more than 6 or 7 pounds of oil pressure, there really is no need for a gauge, so long as the lamp functions as intended. This is a follow up video, explains and shows how I found the cracked. No oil pressure light, however. If you filled what you thought was a low tank, you now have too much oil and nowhere to go except out the breather. Evolution Engine Oiling System: May 24, 2013 · My oil pressure light on the dash will not light red before starting the engine. 1. 6 out of 5 stars Jun 7, 2018 · Hey all, I'm not a Harley guy I'm helping my bro who is not able to work on his bike anymore because of health reasons. If you look at the oil pump there are two towers with big screws on the top of them. 2014. Couple of questions. I was not. When the oil is hot this seems to be the problem, Symptomatic of thinning oil viscosity, but once up to 3,000 rpm the noise is gone. The one that came off the bike has two posts on top with a wire going to each. "The preferred viscosities in descending order are: 20W50, 15W40 and 10W40. At the pump is the ball check valve in the pump body. 0 at gauge and dummy light on it would then seemingly act normal. He told me to ride it a few miles and bring it in. Aug 3, 2005 · Harley has never addressed the actual engineering design problem itself. . Sent from my LG-LS997 using Tapatalk Jun 6, 2009 · Low oil pressure when you did this is a lack of oil to the pump, lifters collapsed from lack of pressure. May 8, 2016 · Looks like plane ole evo to me. My FXRT has 8 gages speedo tach oil press oil temp clock cyl head temp volts gas joe Sep 7, 2017 · I ran Syn 3 and Amsoil 20 w 50 prior to the 60wt. oil gauge shows about 10 psi. The bike was out of service for about a year for some minor issues not related to the oiling system. One such common issue among Harley owners is the oil pouring out from the crankcase breather. Jan 25, 2020 · If you love your Harley you'll take the time to tickle it ! Following this procedure you'll start getting pressure feel at the handle then continue to bleed the brake as normal. May 13, 2012 · I never owned an EVO so I know very little about them. Dec 11, 2023 · Low oil pressure can result from a low oil level, using the wrong oil type, wear and tear of engine components like the oil pump, clogged oil filters, or leaks in the oil system. I have my idle set to 1000-1100 rpm, so idle is not too low. Factors such as the motorcycle’s age and high mileage can also contribute. 8500 miles. Oct 11, 2017 · Side note: I also use a NAPA 1764 Oil filter in the stock slot. Cranked it up cold and the oil pressure was around 34psi. May 22, 2009 · 1997 Ultra Classic with EVO 80 CI, Just turned 30,000 miles Seems that when the engine is hot there is a strange noise (rattle ) coming from the top of engine rocker box. So I have pretty much weeded out the last Gremlins besides the dummy light. Oil pressure and temp was normal at first. Harley Davidson Evolution Engine Problems. Either fix the check ball seat or keep a can under the bike for cleaner start-ups. Sep 16, 2018 · I found broken pinion and oil pump drive gears so replaced and rebuilt oil pump. Aug 20, 2021 · Look into the oil tank and see if oil is returning to the tank when the engine is running. 55 today. The SE camplate and hi-flow oil pump are optionally purchased parts. It is easy to correct but the Factory never got around to it in 16 years of production. Usually running for several minutes gets it back in the tank. (I misstated the ratings in another postsorry) The issue here is restriction in the oil return. I have a 2003 ultra classic, and two rides ago I noticed that the oil pressure gauge was bouncing from 0 to 35-45psi. The oil psi range should be 12-35 psi @2000 rpm or 83-241 kN/m2. I change the engine oil every 3,000 and use H-D conventional. It's called sumping, and very common to leak thru the oil pump. Jun 3, 2024 · A failing oil pump can also cause the bike to puke oil. On the "fuel" tank, one side was gas, the other side was oil. This is because of the use of roller bearings on the crank pin instead of insert style bearings. 030” or 635-732 microns (micron= 0. Apr 20, 2024 · In addition to monitoring my bike’s health, an oil pressure gauge also helps me keep track of my bike’s performance and fuel efficiency. That negative pressure is created by the oil pump scavenge gear rotor. Replace your stock Harley Evo oil pressure relief valve spring with the SP-1 from E. Pick up your S&S Cycle Oil Pressure Switch For Harley Big Twin 1936-1999 for $26. Apr 15, 2008 · A Harley does use all roller bearings on the bottom end so there is nothing there to hold "good" oil pressure like a car does. Aug 5, 2022 · Oil Pressure Relief Valve Harley Twin Cam. Harley Davidson Evolution engine problems are low oil pressure, engine turns off, loss of power, inner cam bearing failure, tapping, starting issues, and cam chain tensioner failures. The manual says in two places to "check the function of the oil pressure switch" but does not say HOW. Now we get to today. When I took it back apart, the yellow ones all had burnt black on them, and the 2 exhaust seals had melted sections. The bike rode good. This will NOT happen with our gauge. It is because a weak oil pump cannot clear oil from the case as quickly as it comes in. I'm not sure what magic elixir H-D adds to their synthetic oil to charge those crazy $$'s. While checking everything I noticed something weird with oil lines to filter. Failure to direct oil flow into the RETURN to the oil tank will result in oil carry over and possible oil leakage. com/a40626/H Check your oil pressure at a glance with this oil-filled pressure gauge kit, specifically designed to look good, fit right, and perform properly on your Twin Cam-equipped motorcycle. My Buying Guide on ‘Harley Evo Oil Pressure Gauge’ As a long-time Harley owner, I understand the importance of keeping an eye on the oil pressure in your engine. The increased spring pressure raises the amount of oil pressure needed to lift the slide and allow oil to the bottom end. Jan 29, 2024 · Oil sumping occurs when oil accumulates in the crankcase, causing a loss of oil pressure and potentially damaging the engine. from an accident I had in Oct. As soon as you start the bike the gauge pegs out. Long time between disassembly and reassembly. Jun 27, 2009 · The bike ran fine, but it was disconcerting. That way the rockers got oil at start up. com/philsworks/In this video watch me diagnose an oiling issue, May 28, 2021 · I like it ! That would do the trick I'm sure Ron but if he doesn't have the " Tool Man's " pressure oil primer setup just the pressure output hose of a small vacuum would probably do it - or overfill it like you say then draw out extra oil after you get oil pressure what a total PIA - guess I'm lucky that hasn't happened to my '06 yet because I think it's got the same pump as his '03 - 😟 Easily install instant oil pressure in Harley Evo engines. Oil pressure is about 45 to 50 on start up and settles in at about 40+ hot on the highway. Products. Jun 9, 2014 · I had it towed to the nearest Dealer. O-Ring Solution Jul 15, 2010 · On the softail model Harley Davidson's the oil tank is external and sits up higher than the engine crank case and oil pump. once i did that i decided to fire it up one more time Jan 7, 2016 · Guys the correct name for condition is Dry Sumping(dry sump) where the check ball in the top of the oil pump. If all the points noted above are good (rings-breather valve-etc), you'll have to live with it or reroute your vent tube to under the bike and put a filter on the end of it. To fix low oil pressure in a Harley Davidson Evolution Engine, follow these steps: Check the oil level; Inspect for leaks; Replace the oil filter; Clean or Buy Rocker Box Mounted 60 psi Oil Pressure Gauge Kit 1984-1999 Harley Big Twin Evolution on Touring FLT/FLHT, Dyna FXD, FXR & Softail FLST/FXST - With “Machined” Oil Pressure Gauge, Fittings, Line & Mount: Gauge Sets - Amazon. High quality replacement for all original equipment; Fits Evo Big Twin models; Constructed of heavy steel with heavy duty contacts, brass ferrule and thermo-plastic insulator and features a brightly finished steel shell; Designed and tested to ensure consistently accurate pressure Jun 21, 2015 · Connect oil pressure gauge p/n HD-96921-52A to oil pressure gauge adaptor p/n HD-96921-107 and install at hydraulic lifter screen plug. I know the oil gauges are known to be inaccurate. I finally got in there and really cleaned things up and took a look. Which allows oil to sneak by and fill the crankcase with oil. Jun 24, 2009 · Slow all that down to stop & go/idle. Jun 13, 2005 · This had a similar effect on the oil pressure as the increased spring pressure on the slide. How to Diagnose and Fix. S&S "E" carb. I use synthetic in the primary and trans. This can result in inadequate lubrication of the engine parts, leading to increased wear and tear. It's a simple ball and seat check valve, accessible from the outside of the pump. Oct 19, 2003 · There are some nice aftermarket tank consoles that house an oil pressure gauge below the ignition switch in the JP Cycles Harley catalog. Who's job is to let oil though when running and stop oil from getting through when engine is off. Remove the filter, crank the engine and see if you get oil coming out the oil filter adapter. riwl gyguh qnjhrat ecvcs ivkbtti nbqaruh rkwuq khnvvu irj weqxgj