98 wr400 loud top end


2 replies to this topic
  • fitzpcj01

Posted November 09, 2013 - 05:35 PM

#1

I just picked up this 98 for a great price. I have a 02 yz426 and that engine is loud this wr just seems to be running extra loud is there any suggestions to what might be the issue before I tear into it just changed the oil its good mabey just needs a good top end maintenance ect.

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  • exracer2

Posted November 10, 2013 - 09:50 AM

#2

Check the cam chain or just change it. I bought an 01 wr and it was loud. Cam chain was stretched so bad that when I backed off the tensioner ,I could remove the chain without removing the cams. Also if you have a skid plate , some times they make the engines sound loud from vibration.

  • fitzpcj01

Posted November 11, 2013 - 09:35 PM

#3

Thnx that is what I thought I'll just do the full maintenance




 
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