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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
YZ 250 piston?????
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[QUOTE="jmics19067, post: 674211, member: 27963"] Going to get nitpicky here , but I wouldnt think an extra rich mixture will "wash away" the carbon. I am more inclined that the lack of a good tempature from either being too rich or the motor not working hard <probably a combnation of both> is the reason why hard carbon deposits don't form. RCannon, I wouldnt worry or try too hard on making the jetting real crisp for casual trail riding. Or I should say jet for the most demanding situation and then live with it for the cow trailing. Whats the worst that can happen?foul a plug and a little splooge? Having it jetted for little load and then working the engine hard could spell disaster. That is why it is imperative you do the heat cycle thing for breaking in the top end and letting the bike warm up nice before you get on it hard. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
YZ 250 piston?????
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