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Everything Dirt Bike
Make / Model Specific
Kawasaki
Jetting Question
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<blockquote data-quote="ossagp" data-source="post: 208523" data-attributes="member: 1650"><p>You mention the main bearing failure: If it seized that bearing first consider that the bearing was likely failing for a longer period of time that you realize. When a bearing is failing the seal has a much harder job of keeping the charged air on the inside and the uncharged air on the outside, so your engine loses vacuum and runs lean. </p><p></p><p>I would put it back together and set the float and jetting to stock or close to it and ride it and jet it accordingly. As was pointed out the way yours came was with moto cross conditions in mind. If you are going to use it like a cross country bike (as i do most of mine) you may want to take a page out of the books of some of the most successful desert and baja racers when it comes to fuel mix. 20-1 was a pretty wide choice for some of the fastest on all brands in the day. I use it, especially on big two strokes that will be wound out further than usual.</p></blockquote><p></p>
[QUOTE="ossagp, post: 208523, member: 1650"] You mention the main bearing failure: If it seized that bearing first consider that the bearing was likely failing for a longer period of time that you realize. When a bearing is failing the seal has a much harder job of keeping the charged air on the inside and the uncharged air on the outside, so your engine loses vacuum and runs lean. I would put it back together and set the float and jetting to stock or close to it and ride it and jet it accordingly. As was pointed out the way yours came was with moto cross conditions in mind. If you are going to use it like a cross country bike (as i do most of mine) you may want to take a page out of the books of some of the most successful desert and baja racers when it comes to fuel mix. 20-1 was a pretty wide choice for some of the fastest on all brands in the day. I use it, especially on big two strokes that will be wound out further than usual. [/QUOTE]
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Jetting Question
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