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3.0 valves AGAIN


Redwood650

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Big Jim M

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Howdy Red
Burnt valves isn't a valve problem...It is a fuel problem. If you don't find and repair the fuel problem the next set of heads will burn their valves also.
Big JIm
 

Redwood650

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Howdy Red
Burnt valves isn't a valve problem...It is a fuel problem. If you don't find and repair the fuel problem the next set of heads will burn their valves also.
Big JIm
Well I was told the valve seats are what go bad. There is an ebay seller offering 2 rebuild heads for a great price. He uses Tungsten valve seats and that is suppose to keep this from happening. So what do you suggest I do to fix this "fuel issue"? Thanks for your help!
 

crf250r6

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i have another friend have this happen to him too and he's had 20k miles on the new valve seats and still no problem, to where as mine happend again after 10k.
 

crf250r6

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and to find the fuel problem should just start testing sensors, it does ping so thats a sign of lean right.
 

Rearanger

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