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Everything Dirt Bike
Make / Model Specific
Yamaha
Yet Another Jetting Question
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<blockquote data-quote="2strokesteve89" data-source="post: 211550" data-attributes="member: 1670"><p>I agree with Dan here,you may have found the issue causing the fouling plug with the rich float setting. Start small with jetting as in his suggestion of adjusting air/fuel mixture screw. If the idle rpm doesn't lower with adjustment you may be looking at an air leak which can be found with carb clean or propane around the carb boot area. On the coolant leak issue, why do you think you have a leak, is there coolant drips under bike or are you regularly topping off coolant without any other signs of coolant loss? Don't rule out a bad radiator cap.</p></blockquote><p></p>
[QUOTE="2strokesteve89, post: 211550, member: 1670"] I agree with Dan here,you may have found the issue causing the fouling plug with the rich float setting. Start small with jetting as in his suggestion of adjusting air/fuel mixture screw. If the idle rpm doesn't lower with adjustment you may be looking at an air leak which can be found with carb clean or propane around the carb boot area. On the coolant leak issue, why do you think you have a leak, is there coolant drips under bike or are you regularly topping off coolant without any other signs of coolant loss? Don't rule out a bad radiator cap. [/QUOTE]
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Everything Dirt Bike
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Yamaha
Yet Another Jetting Question
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