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Yamaha MX & Off-Road Dirt Bikes
03 YZ85 Jetting...
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[QUOTE="wrudy, post: 646912, member: 45736"] I to have been going nuts trying to jet my sons YZ85. Problem is not so much fouling plugs, but trying to get rid of the baaaawaaa right off idle. I have cahnged needle positions, pilot jets, air screw and nothing seems to matter. I'm beginning to think it is inherit to the YZ85 as it has no power valve. any suggestions on this would be appreciated. I'm at 900 feet above sea level in Ohio. Thinking of changing the needle jet next. What oil/gas ratio do you guys run in your 80"s? I have always run 50:1 in my bigger 2 strokes but I'm hearing the small bores need more oil. I'm currently running 44:1 [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
03 YZ85 Jetting...
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