Difference 98 & 99 YZF400?

3 replies to this topic
  • KiwiRacer

Posted April 22, 2004 - 02:19 PM


Can anybody please tell me what the difference between the 98 YZF400 & the 99 400,I'm looking at buying one but can't see anything different,Surely yamaha changed something,But what :D Any known problems with them :)


Posted April 22, 2004 - 02:35 PM


If memory serves me I think they increased the size of the rod bearing in '99. I know there was a change in the counter balancer as well but I think that may have come later. Other than that I'm not sure there was much difference.

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  • KiwiRacer

Posted April 22, 2004 - 02:41 PM


Cheers for that,Now i'm in the know :) :D :D

  • The_Missile

Posted April 23, 2004 - 02:30 AM


I believe that the 98 had some problems with clutch baskets. I have a 98 but so far so good in 3 years use since I have had it.


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