How does a primary oil leak work on a Harley Davidson?

How to Fix a Primary Oil Leak on a Harley. Harley-Davidson motorcycles use a chain-driven primary system to transmit power from the engine sprocket to the clutch housing. Drive plates in the clutch pack engage the plates in the clutch pack to drive the primary shaft in the transmission.

Where does the oil come from in a Harley Davidson?

Top breathing engines breath, or vent, through the top breather bolts which are threaded into the heads of a Harley Davidson motor. The air inside a motor is saturated with oil. It exits through the breather bolts and into the airbox where the air is filtered and the oil is captured in the air filter.

Why is oil dripping from my Harley air cleaner?

Same problem on a 2012 ultra.tried running low oil didn’t work just junk harley internal parts. Don’t blow out with compressed air! You will ruin the element. Shake the filter and them let it air dry. Phooey… As long as it’s not high pressure, keep it to 10-15 psi, it’s fine.

What causes a Harley Davidson to blow by oil?

Excessive blow by is caused by any number of symptoms as Dave described . Normal blow by is only an issue when the blow by accumulates into puddles of oil and makes a mess all over the chrome and pants leg !

Where does the oil leak from on a Harley Davidson?

Where Does The Oil Leak From On A Harley Davidson? Despite its well-engineered design, your Harley is still a motorcycle. And every motorcycle can leak oil, especially if certain components are faulty. Apart from the leaks from the air cleaner and primary chaincase, there are other places where oil can leak from on Harley motorcycles. 1. Gaskets

Why does oil come out of my Harley Davidson air cleaner?

With time, the oily gas keeps collecting and turns into oil in the air cleaner housing. Once the air cleaner housing is full, the oil will start leaking out and cause puddles on the floor. The above issues aside, Harleys have become extremely oil-tight and do not leak lube. Are These Issues Covered By The Warranty?

Can a gasket leak on a Harley Davidson affect performance?

Having the service manual for your bike will be required. Harleys are typically pretty loud, that’s part of the fun, but a leak can affect performance and will sound lousy. If you hear the telltale sound of exhaust from the cylinder heads, specifically where the header bolts to the port, here is how you fix it.

How often does a Harley Davidson engine fail?

This metal-to-metal contact promotes engine failures which can be dangerous to you and your bike. This problem can occur anywhere from 15,000 to 75,000 miles depending on the severity. The only way to truly avoid this problem is to completely swap out the chain system for a gear-driven system.

Is there an oil leak from the drive Pully?

I have a an oil leak from my drive spline, its comming from between the drive spline and and the drive pully, How difficult is it to fix this problem, any suggestions, any body have and fixed this type of oil leak? any help is greatly appreciated! Thanks Fin_676 It sounds pretty easy and straight forward.

What causes a primary chain to leak on a Harley?

The primary chain case cover contains Harley primary chain case lubricant which lubricates the clutch pack and primary chain. Failure of the primary chain case cover gasket or either of the two inspection cover gaskets will result in a leak and need to be replaced.

What can cause 1989 Harley pukes oil out crankcase vent?

Re: 1989 harley pukes oil out crankcase vent when started… Blow by compression. Severe engine problems. Pull the heads look at cylinder walls You can’t post conmments that contain an email address. I have 1983 Harley Sportster 1000 that won’t fire when I first turn the key, but after a few minutes it fires right up what can cause this?

What causes an oil leak in the transmission?

It only take a second, literally. Other seals that can cause leaks in this area are the large final drive gear seal in the face of the transmission behind the front belt pulley and the “Quad” seal that is inside the transmission. The Quad seal is almost like an O-ring.

Where does the oil come from on a Harley Davidson?

Click to expand… Now that you say there might be a small amount of tranny oil on the lower part of the front pulley you really caught my attention. when I was wiping the bike down I believe I saw a small amount of pink oil in that area which would have to be redline from the tranny.

How to fix oil leak from transmission cover?

This video will show you how to fix an oil leak from your transmission cover by your exhaust bracket. This will work on must big V twins Harley Davidson Cruiser. If you have any question just ask. Ride Safe and have a great day. Tools needed 3/16 Allen head driver for clutch cover. 1/4 Allen head driver for exhaust bracket. Loading…

How do you fix primary gasket on Harley Davidson?

Remove all of the primary chain case cover bolts with a ratchet and Allen driver. Pull out on the cover to separate it from the inner chain case. Scrape the old gasket material off of the gasket surfaces with a gasket scraper. Wipe the inside of the cover clean with a shop rag. Lift the primary cover and the new gasket into position.

Can a small engine oil leak be repaired?

Whether the leak is small or major, an Engine oil leak is a common problem. Luckily, they’re also typically an easy issue to fix. The steps you need to take to get your car back on the road, however, depend on where the leak is coming from and how bad the leak is.

Where does the oil leak in an engine come from?

The system is splash lubricated, so leaks from the timing cover gasket are often slow, but they can make a mess as they leak out around your engine’s drive belt and accessories. Replacing the timing cover gasket is always an expensive job, as you’ve got to remove lots of other pieces before you get to the timing cover.

Can a low oil level hide an oil leak?

That can hide a potentially major oil leak. In this case, a low oil level indicator will be your sign of leakage. An engine covered in oil is also a pretty good sign of leakage. Open your hood every once in a while, and check your vehicle’s fluids.

Is it OK to ignore an oil leak?

Yes, it’s easier to just ignore the small puddle of oil forming under your car. Or pretend that burnt oil smell is not coming from your engine. And is that blue smoke coming out of your tailpipe? Oil leaks are something you cannot afford to ignore. It doesn’t always take a trained mechanic to figure out what causes engine oil leaks.

What happens if you have an oil leak in your driveway?

Fix it today with No Leak. Leaks left unchecked can get on rubber hoses or seals and cause them to degrade prematurely. Leaking oil can cause ugly stains on your driveway and are an environmental hazard.

How much lubricant to put in a primary chain case on a Harley?

Install the jiffy stand and jiffy stand mounting bolts. Torque the bolts to 15 to 20 foot-pounds with a 3/8-inch torque wrench and Allen driver. Add 38 fluid ounces of Harley primary chain case lubricant to the primary through the clutch inspection hole.

What kind of oil does a Harley Davidson use?

The bike had 1,553 miles on it when I bought it and after riding it for roughly 1,500 more miles I decided that I would change the 20-50 Harley oil that was in it, to Amsoil 20-50 synthetic. I rode the bike another 1,000 miles or so and now it pushes some oil out the breather vent, I mean a light mist constantly while riding.

What causes an oil leak on a Harley Davidson?

Depending on how/if the engine was rebuilt, there’s ALOT of reasons that could happen. Blocked return holes. Partially restricted pushrod tubes. Improper oil pump timing. Improper head venting. Excessive blow-by due to worn rings. Also, one other thing that can cause it, if none of the above fixes your problem.

What causes a Harley Davidson crankcase breather to leak?

Partially restricted pushrod tubes. Improper oil pump timing. Improper head venting. Excessive blow-by due to worn rings. Also, one other thing that can cause it, if none of the above fixes your problem. Ive had the stock plastic crankcase breather valve shell out and cause excessive oil blowby thru the breather.

Where to find oily film on a Harley Davidson engine?

If you pullout your air filter, you should have an oily film on the mounting plate and around the rim of the filter. Its an evo engine. The year im not sure of its a chopper I bought it built already so not sure of the year all i know itrs from the 90’s

Where does the oil leak go in a V-twin?

You’ll probably see drip marks on it. When the seal goes oil will leak down the side of you tranny, blow onto your inner primary, accumulate near your primary drain plug & both drip & blow back onto you rear pulley. You might notice dirt streaks on you pulley from the oil that’s blown back having collected dirt. Don’t ask me how I know.

Where does oil leak on Electra Glide Classic come from?

Ok here’s the dealI have an 01 electra glide classic There is oil driping from behind the primary, not much it does drip my garage floor tells me so. It looks as if it runs from some were behind the primary and it gathers at the drain plug on the primary. I changed out the plug but stii it drips.

Is it possible for twin cams to leak oil?

When I first got my Roadking it leaked trans oil. It drove me nuts too. With help from this site and my manual I removed the outer and inner primary , pulled trans output pulley and changed the quad seal. Has never leaked a drop since. I don’t think the Twin cams leak oil. My floor is always spotless. You will find the problem. Don’t give up.

Is there a leak in the chain oiler?

As a matter of fact the old shovels didn’t actually leak, they dripped from the chain oiler. So don’t accept the premise. (You must log in or sign up to reply here.)

What to do about transmission leak on a Harley Davidson?

BTW, it is an ’03 Ultra. First off, I would go to another dealer. He looks like he’s setting you up for a bigger bill than necessary. What you have to do it to clean the entire area well and see if you can locate the source of the leak.

What should the oil level be on a Harley Davidson?

The oil level is right where it should be on the dipstick when cold. I’ve done all the fluid changes and am very careful not to overfill. Any help would be appreciated. Top breathing engines breath, or vent, through the top breather bolts which are threaded into the heads of a Harley Davidson motor. The air inside a motor is saturated with oil.

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