oil in the ignition cover


3 replies to this topic
  • tetondrtbag

Posted May 21, 2008 - 07:38 PM

#1

i went to check my valves today and when i pulled the crank plug on the ignition cover , oil came out. a lot of oil. any ideas why?
thanks,
MD

  • 642MX

Posted May 21, 2008 - 07:42 PM

#2

i went to check my valves today and when i pulled the crank plug on the ignition cover , oil came out. a lot of oil. any ideas why?
thanks,
MD


Its normal. :thumbsup:

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  • grayracer513

Posted May 21, 2008 - 07:48 PM

#3

The main reason why is that that's the crankcase, and oil belongs there. The probable reason there was so much of it is that you hadn't run the engine in a while (your bike is most likely an '05 or earlier steel framed model, too).

Unlike two strokes, the actual central part of the crankcase is not a part of the intake tract, and needs no main bearing seals when it shares oil with the trans as the YZF does, and wouldn't need a seal on the ignition side anyway.

As to why there would be more oil after it stands for a time, read:

http://www.thumperta...903#post5221903

  • tetondrtbag

Posted May 21, 2008 - 07:56 PM

#4

thanks!





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