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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
racing cold idle HELP!!!
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[QUOTE="njrealtor55, post: 1008948, member: 63820"] fmf reccomends 50/50 mix of race gas with thier jetting reccomendations. using race gas will let you lean out the main jet. If you look at the tables they publish - you can see a trend of 3 sizes lower on the main and 3 larger on the pilot. They post overall jetting numbers(combined pilot and main) that are very close to stock. you will need a main jet that is larger than fmf reccomends if you plan on using 92 octane. personally, i'd get a larger rear sprocket so you can rev the bike more. i have a 13/53 for the mx track i ride and i'm in 3rd/4th all the time. slow top speed, but coming out of a turn and into a tabletop is no problem now. telling you what jetting to run won't be right. how does your bike run now? at 1.5 turns out does it have a crisp low end? does it surge when it is decellerating? how is the overall plug color after riding around normally for 5min (not lugging or over reving the engine)? without more info - anyone telling you what jets to run is just blowing smoke up your (you know what). [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
racing cold idle HELP!!!
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