Author Topic: KX450 valve clearance  (Read 6801 times)

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Offline ThrottleJunky

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Re: KX450 valve clearance
« Reply #15 on: February 04, 2011, 12:52:33 AM »
NOW the problem is solved, I finally know what happened. 
DO NOT put 09 valves in a 08 head!!   That is what I had.
09 450 head is 5mm shorter that the 08, in turn, the valves are 5mm shorter also. Springs are all the same.
'There's more living in five minutes flat-out on a bike than some men have in an entire life'.