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L.W. JENKS
L.W. JENKS, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 296
Experience:  OVER 10 YRS. EXPER. IN RACING & MECHANICS (MAINLY ATV'S)
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My 2000 YZ426F dirt bike is leaking engine oil and I cant

Resolved Question:

My 2000 YZ426F "dirt bike" is leaking engine oil and I can’t find out why. It only leaks after about +5 minutes of run time, not a lot at a fast rate, and I haven’t been able to determine were from. What’s the problem?
Submitted: 6 years ago.
Category: Motorcycle
Expert:  L.W. JENKS replied 6 years ago.

It will be difficult to tell you how to fix the oil leak if you don't know where it is coming from. Most oil leaks do only become visible after a period of time, such as in your case, 5 minutes or so. This is because after a period of time, the oil gets hotter, which makes it thinner & easier to find places to leak. The best thing that I can tell you do to is to first, check your oil level often, be sure you do not run it low on oil. Next is try to get the bike up on a lift & take some carb cleaner & thoroughly clean the motor. Now place a clean piece of cardboard underneath the motor, crank the bike up & let it sit there & run until you start to see some oil drops on the cardboard. This will make it much easier to find your leak.

 

Hope this helps

Thanks

L.W. JENKS, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 296
Experience: OVER 10 YRS. EXPER. IN RACING & MECHANICS (MAINLY ATV'S)
L.W. JENKS and other Motorcycle Specialists are ready to help you

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