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Dirt Bike Brands - Other
2003 yz 250 "detonation"
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[QUOTE="steve125, post: 859691, member: 20272"] All good advise here, my first thought was the pipe. The FMF gnarly and PC platinum are off road pipes to enhance bottom power. In order to do this they tend to over-charge the lower end of the rev range more than the stock pipe, this can cause detonation in the rpm of the power increase. Richer jetting in the range of the ping or higher octane fuel will be the fix. Well??, U could put the stock pipe back on too, if not already damaged?? [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
2003 yz 250 "detonation"
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