2007 yz450 won't start after warned up?



42 replies to this topic
  • grayracer513

Posted January 18, 2015 - 11:35 AM

#41

nope...brand new valves with seats recut....yz450f's dont have tappets...

 

Yes they do.  "Bucket" tappets over each valve.



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  • vet45

Posted January 18, 2015 - 02:46 PM

#42

greyracer...parts list refers to them as "lifter, valves"...ive never heard them referred to  as tappets.....live and learn.....more excited to see the poist explaining the stator was the issue....



  • grayracer513

Posted January 18, 2015 - 08:57 PM

#43

Tappet, cam follower, and lifter are synonymous and generally interchangeable terms. 







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