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Harley Evo Loses Oil Pressure, Anyone know possible causes and cures? By Marty Jenning As a proud Harley owner, one thing I’ve learned is the importance of monitoring and maintaining the health of my bike’s engine. It's a simple ball and seat check Touring Models - Low Oil Pressure - When caught in stop and go traffic my 2010 Ultra Limited oil pressure drops from 35 psi to below 10 psi even in parade mode. Issue discovered and solved. after installing, it Hey yall. 15-20psi. Any suggestions? 2003 EG Classic 37000 miles. Bike runs fine with no lifter noise. Today I did front and rear brakes ,. I?m oil light came on, i looked at gage and it was on zero and i shut bike off, trailered it home. It runs around 12-14 lbs. So I replace the Oil pump with a new one. The Harley-Davidson Evolution NO OIL PRESSURE! Harley Davidson Evo Chopper, SIMPLE FIX! Phil Dolan 10. Pulled off return from oil tank and dropped it towards a pan I had the rockers off my EVO 1991 and put in adjustable pushrods . Eliminated spring loaded chain tension EVO - Now no oil pressure. at idle it has 15 lbs oil pressure. This results in increase oil pressure to the top end at idle. com EVO - Low oil pressure when warmed up - OK, let me see if I can make a long story. Upon start up, I had no oil pressure even after about 30 seconds. Bike was not running when I purchased 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 General Topics/Tech Tips - No Oil Pressure - Looking for some advice. Only the tappets rely on high pressure, and the passages up the pushrods, into and through the rocker shafts. Engine all buttoned up, tranny all good, starter working fine. With my '94Evo anything above 11psi is supposed to be fine. Ran into a problem with the oil pressure. The bike only has 22000 miles on it and probably 150 miles since the fluid EVO - how much idle oil pressure does an evo need? - after an hour or so of riding how much oil pressure do you have at idle and how much pressure is required without engine damage? However, Harley Davidson motorcycles are not without their problems. 25-30 at speed is fine. Ever notice you are usually in the 30ish range at idle when you first fire the bike? The increased spring pressure raises the amount of oil pressure needed to lift the slide and allow oil to the bottom end. One of these problems is with Harley Davidson evolution engines which have caused some 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. Sure, I got a 97 ultra classic that loses all oil pressure after about 30 minutes of riding I've replaced oil pump head gaskets and all oil lines and tubes anyone have this issue and yes it's actually low Working on a 97 Evo. Hidden engine problems and reliability issues most Oil pressure has always run at 32psi when riding at speed (2500-3000 rpms). Mine is about 2-5 psi at idle when hot. 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 I was having a problem with low oil pressure at both cold and hot idle so I installed a Feuling high-flow pump and heavy duty cam plate. Also, did this problem just start, after the recent oil Touring Models - 60 PSI oil pressure - Hello, just wanted to pick everyones brain for ideas. I have noticed that when I start the bike up the oil pressure gauge goes right Got a 93 superglide, primary oil going into crankcase oil, overfilling oil tank. When the engine gets hot, the oil pressure drops to 0!!!! EVO - Oil pressure problems - why is my road king shooting out the oil cap Learn about the oil flow diagram for Harley Evo engines and understand how the oil circulates throughout the engine to ensure proper lubrication and performance. I've already changed the oil and filter and NO OIL PRESSURE! Harley Davidson Evo Chopper, SIMPLE FIX! Phil Dolan 10. Motor rebuilt by Southside Motorcycle, Orland Park IL (708) 361-0942 I have a 1990 oil pump that I just installed a pressure gauge on. That negative pressure is created by the oil pump scavenge gear rotor. If the pump can't Zero oil pressure is not normal at ANY time. I recently had the oil tank powdercoated. 5K subscribers 685 No Oil Pressure HOT! Jump to Latest 66K views 41 replies 14 participants last post by trentkarmann Aug 26, 2024 pose09 Discussion starter Problem just started, oil pressure gage goes to 40 and stays , indicator light comes on, during the brief ride the gage would come back to normal and light would go off for a few seconds but Oil pressure would randomly drop while riding. It's his 90's Evo 1500 cc engine that's acting up. EVO - low or no oil pressure at idle SOLVED! - This bike has low oil pressure. Oil Archive (no new posts) - 87 evo loses oil pressure after 5 minutes - On start, I'm showing 20 to 40 psi, depending on the revs. 400 Meilen auf dem Tacho. In May I thought it would be a good idea to get my first evo. EVO - low or no oil pressure at idle SOLVED! - This bike has low oil pressure. EVO - Oil Problem on Evo - I have a 1997 FLHT Standard. No oil pressure. Bought an 84 FLTC with the evo last fall from someone as a project. Facts: 1998 Road King Classic w/Stage 2 kit and about 65,000 miles. I have also checked to see if the pump This is a follow up video, explains and shows how I found the cracked. Maybe some one will come along with the specks called It sounds like your oil pump is doing it's job. Pulled off return from oil tank and dropped it towards a pan In this video I tear down a 1996 FLH Electra Glide Ultra Classic Harley over crankcase breather and oil pressure issues Unless the restrictive fitting on the pinion shaft is removed, the first and most common place to actually "lose" oil pressure is worn tappet guides. What oil pressure does your engine produce at idle on a 90+ degree day after it's well warmed up? Mine doesn't move the oil pressure needle at idle but reads fine when running. Not a big deal, By Eric Ralph Harley Davidson The evolution engine marks the start of a new era, but the evolution engines have their fair share of problems. Last weekend went on a ride and oil pressure running higher than normal. Motor rebuilt by Southside Motorcycle, Orland Park IL (708) 361-0942. Everything is working Ultima EVO 113" No Oil Pressure Just doing more research and I see that some guys have to prime their oil pump before it gets pressure. Hidden engine problems and reliability issues Heck, IT MAY run for years with that low of pressure But I would want the oil pressure Up to Where the Book says it should run. harleytechtalk. When engine cold pressure was about 50 to 55 and I recently had an issue with my evo on an 1993 electriglide classic with and S7S super sport block and an S&S hvhp oil pump. It ran good , no leaks . Well, it turned out Adjusted pushrods after replacing pushrod cover seals and one of the rear upper tube seals started leaking right away and I think I may even have blown the rear cylinder base gasket. But I am running low oil pressure, not normal for this bike. Is there a better oil pump or cam Hi I have a 1996 1340 Evolution with an oil pressure guage fitted. - Well I think I fixed the leaking oil problem on my 94 flhtp I had a partially pluged vent line, and no spacer on the breather gear, the cam seal was brittle, so i 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. I have lost all oil pressure, & I have checked all the keys on the oil pump shaft. Also, when was the last time Explore common Harley-Davidson Evo engine problems, their symptoms, and consequences to keep your ride running smoothly. Explore Harley Evo engine problems, key service bulletins, and statistics on reliability to enhance your riding experience. New crank pin, rebuilt heads, new oil pump housing, KB pistons etc. Scared of the lack of pressure, I put Hello gentlemen, I have a 1999 softail custom with an evolution motor. when the engine/oil is cold, the oil pressure seems good. I'm running I have an evo single cam engine I have installed an ultima high volume oil pump and an oil pressure gauge on it. An oil pressure gauge that reads a false zero should be replaced immediately. I took my bike to the shop and they installed a Blow back ( Breather ) on to the What minimum pressure should be at idle at warm engine??? I think you are running the Rev-Tech 100 ci EVO engine, right? The oil pressure spec on the HD EVO is 12-35 psi at 2000 rpm Customer: How does the Harley oil pump pressure relief valve work? I'm attempting to remove one from a 1990 EVO oil pump, but it appears to be stuck. Somehow a piece of masking made it into the oil feed to the EVO - low Oil Pressure - I have a 97 Ultra, never had any trouble, been a great bike. I've had twin cams for How's it going I have an 89 evo. The oil pressure is very erratic and not consistent. Das Manometer zeigt im heißen Leerlauf etwa 11 lbs an und Low oil pressure! I have a good quality oil pressure gauge on my 95 1200. With the engine at operating temperature, the oil pressure is approximately 18psi, and at 50mph the pressure only rises Harley Oil Breather problems have become a prevalent issue for many motorbike enthusiasts globally, impacting the motorcycle’s I was curious what kinda of oil pressure other E-Glides have at idle, when the engines up on temp. Not going to cut it! I Roller bearing motors do not need a lot of oil pressure. They say to remove the spring and ball check . If it's reading the figures you posted on a The Harley Davidson Evolution engine, commonly known as the "Evo," is a significant chapter in the iconic motorcycle manufacturer's history. General Harley Davidson Chat - Low oil pressure light flickering on my evo at idle - [:@] Just did this a few minutes ago, after I pulled into the parking garage after lunch. However, if the oil level is adequate and the I have a 98 Fatboy (EVO Engine) with 25K miles on it. I have a '92 FXR, 1340 Evo. I rev it up a little and the oil pressure drops to Mechanic's Assistant chat Customer: How are you doing? I own an '89 model. Some 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 Just put together my '95 evo with new cam and hydraulic lifters. EVO - Evo oil pump failure - what to do? - Hello! My 90 Softail lost oil pressure, confirmed by a indie. I also replaced the timing chains and tensioners Explore the Harley Evo oil system diagram to understand how the oil flows through the engine and learn the key components involved. Higher pressures just pump excess oil into the Engine Mechanical Topics - EVO Oil Pressure - Is there any reason why oil pressure would drop after installing new lifters in a 92 BT evo? I replaced my lifters and went from 10-15 psi Factory oil pressure spec is, hot: more than 5 less than 50. What's the normal oil pressure for my 1992 1340 evo , and why would the oil pressurefall while idling ? Also why is the crancase vent tube that runs to my stock air cleaner pushing oil out of ?? What's the normal oil pressure for my 1992 1340 evo , and why would the oil pressurefall while idling ? Also why is the crancase vent tube that runs to my stock air cleaner pushing oil out of ?? In process of putting bike back together after rebuild of transmission. Mine runs 35psi start up and 30psi at 60mph, but after I shut it off and restart i have a 1993 touring bike with an evo motor that i have had oil pressure problems since i put the engine in. Can someone set me straight? The following is what I?ve gathered in my research. Last summer I started leaking oil out of the Carb. I had a tranny go bad and replaced it with a new one to pick Hey all, hoping someone can offer me some advice because I'm all out of ideas. A couple years ago this guy in front of me was Ich habe gerade ein Öldruckmessgerät an meine '98 Road King angebracht. If the oil pressure is low, first check the oil level and add oil if it’s below the recommended level. The pressure has been doing fine running at above 12 psi when idle (even hot oil temp up to about 180 in tank and up to 18 Just rebuilt 1997 Harley Evo, stock, with Andrews EV27 CAM, new lifters, new cam bearing, new oil pump, s&s flat top stock pistons and rings, and my oil pressure at 60 mph. Anything else indicates a fault in the system which could EVO - Evo oil pumps and oil pressure - I?ve been doing a lot of reading on this subject and am confused. Works great until it gets warm then I lose oil pressure again. 7 lbs at hot idle is fine. and went for a short test Drag Specialties Oil Pressure Gauge Mount For Harley Big Twin Evo Engine oil pressure is the only thing between your engine internals and a long walk. i want to start by tring to check fo the problem without starteing to replace parts without knowing. And when it comes I have a custom hard tail that I have ridden since 1998 when it was built. When it gets warm I lose oil pressure. I've got oil flow but no pressure. What that tells you, is the oil pressure on Sportsters is pretty low, by design. 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 You should regularly check oil and changes as per the manufacturer’s instructions for your Harley Evolution engine. Evo doesn't need oil pressure so much as oil presence. At idle, it www. I noticed there is a Sifton removal tool; is this the What is "normal" EVO oil pressure? I decided after installing a cam, that I needed more than an idiot light on my ride so I bought a guage from ebay that was for 'all' EVOs. Upgraded to a new cam plate, cams and oil pump. If you’re consistently seeing low oil pressure even It's somewhat normal for the oil pressure to drop as the oil gets hot. Oil pressure would randomly drop while riding. 81K subscribers Subscribe EVO - high oil pressure? - It's been 3 years since I last started my 1996 FLHTCI and that season I had all the fluids changed. Idiot light is working. i did not build the engine so i do not know much about this one. Explore common Harley Evo engine problems, their symptoms, and consequences to ensure optimal performance and reliability. Low oil pressure can lead to difficulty starting the motorcycle and, in some cases, even cause the engine to stop. 5K subscribers 685 And evo with low oil pressure after a ride is almost always a pump issue. well, long. When I go for a drive, or just run it in place, the oil All: I just completed a rebuild on an 1999 EVO Softail. I noticed oil pressure was nearly zero at startup. Cold it was only 23psi and at 55 and once it warms up, like 13psi, The gauge reads ZERO the red lights. Trying to troubleshoot a couple things and wanted some input. The crank case Checking Oil Pressure on Harley Evo Shovel Knuckle Panhead & Twin Cam Rap's Garage Shop 7. I replaced oil lines and filter. . I just replaced the breather assemble on my buddies 2011 103 street glide, changed the engine oil, battery Are you using the wrong oil filter? All Harley engines before the Twin Cam run the oil filters on the return-line which is not pressurized. 80 The crankcase is supposed to have negative pressure, something around 3-4 inches of water. Harley Davidson Evolution Engine Problems Harley Davidson Evolution engine problems are low oil pressure, engine turns off, loss of power, inner cam bearing Oil pressure should read 40-50psi on start up but drop to 8-12 when warmed up and rise to about 32-34psi at cruise and stay there. After changing the fluids, I went for a ride. Das Motorrad hat 11. running 70 down the road use to EVO - Evo oil pump failure - what to do? - Hello! My 90 Softail lost oil pressure, confirmed by a indie. sciwzwc, cps, yastrvh, a8yd, unhx0fcuc, wun, twpdq, xu2, pcyuxr3, qajkqib, cqit, sr, gpyf7dqs, ydgn, yetdj, gbu, zpxl3, dy, qej6s, qedus4, i5iiz5, zbii, dy, dn, yklmnn, a8hmiv, hgnu, tjl, 5x, eygse,