YZF 426 Oil Leak

1 reply to this topic
  • Insaneman1731

Posted August 05, 2007 - 08:53 AM


What's up guys. I just recently noticed oil spots on my floor from my 426. I will ride it around, and after I turn it off and let it sit it will start to leak a little oil. It looks like it is comming from a hose that comes out of the top of the motor, and the hose runs down the side of the bike. Thanks alot.

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  • 642MX

Posted August 05, 2007 - 02:59 PM


Its normal for it to drip a couple drops of oil out of the blow-by tube (or crank case vent tube). Sometimes its caused by over-filling the tank with oil and sometimes its caused from running at a high RPM for an extended amount of time.

All the YZF's do it, don't worry. :thumbsup:

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