Question about 1985 Yamaha XJ 700 X Maxim

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Oil in intake?

I noticed an oil leak coming from a tube under the bike. i then removed my seat to notice oil in my air intake. i mean a nice little puddle in front of the air cleaner.

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Sounds like blow by do a compression test

Posted on May 30, 2009

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My 02 galant runs rough when put in gear but in idle runs okay it also surges up and down replaced the plug wires


Okay, lets start with the oil you found on spark plugs when you were replacing them. this oil is coming from the valve cover tube hole area, notice the plugs go into the holes in the valve cover, there is a gasket the goes around the top of the tubes and when it leaks it goes into spark plug hole, the valve cover needs replacing .
this will cause rough idle and running problems, after replacing valve cover gasket the holes must be cleaned, using crab cleaner, spray into holes and use air to blow out . this may need to be done a few times to get oil out .
after oil is removed . then remove spark plugs and wipe them clean.
The next step is to find the air (vacuum leak) , you said you hear it around intake tube. check for cracks or broken vacuum line. this leak will cause idle problems and driving problems,

Nov 18, 2012 | Cars & Trucks

1 Answer

Oil leak from under sump on CCM 604 R30


Its a breather pipe - check oil level & air-box for excess oil

Jan 10, 2012 | Motorcycles

1 Answer

I over filled the crank case with oil, as my bike leaks. But my ******* put far too much oil in. I noticed a few days ago that there is oil slowly seeping out under the valve covers, and off the air return...


Hi. I doubt that you have damaged the engine. The only reason the gas milage dropped so drasticcally, is that the air filter must have been soaked in oil. If the filter is soaked in oil, the carburetter will get little or almost no air theough the intake and then your air/fuel mixture is very lean. Make sure to clean the air filter and take it for a drive. Hope this helps

May 25, 2011 | Yamaha TTR 225 Motorcycles

1 Answer

My harley has a small leak coming from the air filter, the mechanic at the harley dealership told me it was the air filter. So i bought a new filter put it on and checked the oil level, with the bike...


Regrettably, a small oil leak from the air cleaner assembly is "normal". This is because the EPA requires all crankcase emissions to be routed to the intake system so that it can be burned in the engine. The result is that oil mist in the crankcase vented condenses in the air cleaner and eventually drips out.

The crankcase vent for your Sporty is in the heads. If you noticed, there are two large bolts that are hollow holding the air filter backing plate on. The crankcase vents into the air cleaner assembly through these two bolts. There is an "unbrella valve" in the rocker box center section that allows the air to flow one way but not the other. There are baffles in this area to keep the oil mist to a minimum but still there is some in the air coming out of the engine.

There are a few kits available on the aftermarket for re-routing this crankcase vent. You can direct the exit anywhere you wish using one of these kits. Most people just route the hose down and exit it under the bike just in front of the rear wheel.

When adding oil to your bike, only add the oil when the engine is hot. On your dipstick, you have two marks. The upper mark represents "FULL HOT" while the lower mark represents 'FULL COLD", Do not overfill. Check the level with the bike on the side stand.

Good Luck
steve

Oct 15, 2010 | 2006 Harley Davidson XL 1200 L Sporster...

2 Answers

My carburetor was leaking fuel, so I went to remove it to repair the o-ring. When I was removing the air filter assembly, I noticed the filter assembly had a sludge building up in it that looked like a mix...


The bike has a tube coming of the air box that you drain as neded. Additionally you have a 9 year bike and these items build up with miles, and yes age. So be sure to inspect and replace these items per the owners manual. No big deal just part of owning a bike.

Dec 18, 2009 | 2000 Honda VT 600 C Shadow

2 Answers

My wife has a 2000 diesel beetle. This last month


Well, a little oil in the intercooler is okay but a lot is not. Excessive oil in the intercooler usually means the seals in the turbo are leaking. VW diesel have a very bad problem with clogging the intake with carbon. If you remove the intake tube at the throttle body, hold open the "shut down" plate (the butterfly in the TB) and look with a light you will most likely see a huge restriction from goopy, black, carbon. The only way to clean it out well is to remove the intake and clean with carb cleaner, wire brushes and chisels. This could be the cause of overfull oil level (unburned fuel leaking down the cylinders due to lack of air flow from intake. I have seen and repaired lots of these and this sounds like your problem. Best of Luck

Aug 13, 2009 | 2000 Volkswagen Beetle

1 Answer

1986 suzuki savage


check the oil level again. trace the tube to see what it really is. make sure it isnt coming from the oil filter. had 1 that was the wrong size and was like 2mm off in length. screwed down tight but had a persistent leak. good luck. if it is the oil overflow, I used a very clean shop towel and wicked out excess by dipping it in the filler hole.

Jul 07, 2009 | 2008 Yamaha Crux

1 Answer

Oil coming out of the air filter


Could be the valve seals have hardened and are leaking

Jun 16, 2009 | 1983 Yamaha XZ 550

1 Answer

On S50 Suzuki Motocycle I have an oil drip from a rubber tube that looks like it comes from up near the air cleaner and exits below the bike. Any ideas before I start taking the seat, tank, etc. off?


The air cleaner(filter) also filters crankcase blowby . Oil accumulates in filter box and drains. The draining is to prevent oil from being drawn into intake an should be addressed by servicing air filter and cleaning out the box. Rapid and excess oil in filter is a n indicator that blowby is considerable. Hardrabbit starts and sudden accelerations play a big part in ring wear and blowby. I've noticed the use of filter sponge placed, not stuffedm in crankcase vent hosebef ore filter housing will separate oil from fumes before they get to airfilter and oil will drain right back into engine instead of collecting in air box. Some crankcase vents are baffled and have a seperation medium factory installed at the enngine end if vent hose. Do not plug the drain or crankcase vent hose. major leaks will sevelope. Over reving will also cause greater oil misting that is carried out the vent with the air. Good luck - note! rapid throttling affects fuel burning eficciency and tends to break down needed cykinder wall lubtication, hastening ring wear. have fun, be safe.

May 10, 2009 | 2005 Suzuki Boulevard S50

1 Answer

2002 harley classic


what do you mean, breather tubes??? if you have fuel coming out the carburetor then your float level is too high and needs to be addressed. could be trash between the needle and seat or a worn out needle and seat. repair as quickly as possible as this will cause a rich fuel mix in the cylinders and can wash off the oil causing excessive cylinder wear. this also could be the source of your vibration problem.

May 17, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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