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Discussion Starter · #1 ·
Today I was on a ride and after riding for about an hour I noticed that there was oil leaking from the air cleaner. This is the second time that this has happened on this bike in 2 months. The last time that this occured I had it towed to the shop and I was told that there was too much oil in the engin that the overflow tube allowed oil the go the the air cleaner. The dealer fixed the problem olny to find out that I happened again today. I am not sure why this is happening. Any help or information would be appreciated.
 

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AZ's Official Mechanic
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thats the main reason behind getting oil in the air filter. HOW MUCH OIL IS IN THE AIR FILTER NOW ??? if its just a file or very small puddle then it has just built up over time and is now leaking out. i did a TUNE & SERVICE on a big cruiser at work. pulled the air filter cover and got about a 1/2 quart out of it. :shock:
take the cover off and wipe it out, check it again in a couple weeks and see how much has built up again. if its just a film then theres no problem. these bikes seem to push lots of oil with the crankcase pressure. :roll:
 

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There is a very specific procedure to checking the oil level in VN 2000. It is very easy to overfill and under fill the crankcase due to it having a semi dry sump. Take it back to the dealer and have them make sure that the oil level is correct and have them check that the crankcase breather is free flowing. A little bit in the rubber cap is normal.
 

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Discussion Starter · #4 ·
Oil in Air Cleaner

Would riding at a high speed for a long distance cause the pressure in the crankcase to force the oil to the air cleaner? On Saturday I went about 65 miles to a friends house and I was crusing on the interstate at about 95 mph. When I got to his house I notice the oil leak.

When I got home later that day I removed the air cleaner cover and there was about 3 ounces in the cover of the air cleaner. I cleaned it all out and I will watch to see if more continues to get in the cover.

The air filter has oil in the bottom of the element. Will this harm the engine in any way?
 

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Re: Oil in Air Cleaner

Cajunsaint said:
1. Would riding at a high speed for a long distance cause the pressure in the crankcase to force the oil to the air cleaner? On Saturday I went about 65 miles to a friends house and I was crusing on the interstate at about 95 mph. When I got to his house I notice the oil leak.

2. When I got home later that day I removed the air cleaner cover and there was about 3 ounces in the cover of the air cleaner. I cleaned it all out and I will watch to see if more continues to get in the cover.

3. The air filter has oil in the bottom of the element. Will this harm the engine in any way?
1. yes it could, since you spinning the crank faster your creating more crank case pressure, plus the crank case vent goes to the air cleaner housing which is creating suction. so the pressure/suction pulls more oil out of the crankcase.

2. thats pretty typical from what ive seen when working at the shop.

2. wont hurt anything since your air cleaner is always getting oil on it anyways. just keep an eye on the level if you do this alot.
 

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oil in the air filter

I'm very familiar with this dillema . Working with Tom the head mechanic @ Brenny's motorcycle .We kept removing oil with a turkey baster and a little peice of tubing then ride it hard for a little while 20 miles a least then go back and check it again mine went from 4.9 qts down to about 4.26 with the bike sitting level if you are by yourself a 4x4 with a 2x4 works real well . Good luck
 

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This is how Kawasaki says to check oil level-- Must be done this way or SEVERE engine damage can occur.
After you have verified that the engine contains oil, start the engine and bring it to operating temperature by allowing it to idle for several minutes, then shut it off. DO NOT REV THE ENGINE AND SHUT IT OFF AT HIGH RPM. Doing so can leave a significant amount of oil in the crank room and clutch area, leading to a false oil level reading.
Allow the oil to settle for a few minutes. Place the motorcycle level from front to back and side to side and remove oil filler cap/dipstick and wipe the dipstick clean. Continue holding the motorcycle perpendicular and reinstall the dipstick, threading the cap completely in. Remove the dipstick and check the engine oil level. The engine oil level should be between the high and low level lines on the dip stick. Adjust oil level accordingly.
 
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