2006 yz450f making noise

2 replies to this topic
  • Zumpy31

Posted October 20, 2015 - 04:27 PM


So long story short bike got hit on trails skipped timing get it home take it apart replace parts start it and now it's making a nasty tick noise or knock. Noise is a lot stronger on the clutch side and doesn't increase with rpm! Any help would be greatly appreciated!!

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  • Zumpy31

Posted October 20, 2015 - 04:29 PM


Clutch looks fine. So how much play should be in the water pump? And does the water pump speed up with rpm?

  • grayracer513

Posted October 21, 2015 - 06:34 AM


The water pump is engine driven, so...


The pump impeller can normally be rotated about 20 degrees or so back and forth.


If you have an aftermarket skid plate, remove it to see what it sounds like then.  Does the noise stop when you pull the clutch in?  

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