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Everything Dirt Bike
Make / Model Specific
Yamaha
Idle problem
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<blockquote data-quote="SRAD97750" data-source="post: 123589" data-attributes="member: 425"><p>Look for the air leak at the base gasket or intake boot.</p><p>Clean the carburetor for worn/clogged jets.</p><p>Visually inspect air filter for rips or where it may have come free at the seal. Should seal the airbox pretty tight with some lube-seal.</p><p> </p><p>Try your idle mixture screw at 1.5 turns out. Get that hoe warmed up completely, like 15 minutes of riding. Then set the throttle screw to a high idle. Then adjust you idle mix screw leaner until the idle speed peaks. Then 1/8th or 1/4 turn back to the rich side. Try <img src="https://www.dirtbikeaddicts.com/static/images/smilies/ride.gif" class="smilie" loading="lazy" alt=":ride:" title="Ride :ride:" data-shortname=":ride:" /> again. -BIG DAN<img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p></blockquote><p></p>
[QUOTE="SRAD97750, post: 123589, member: 425"] Look for the air leak at the base gasket or intake boot. Clean the carburetor for worn/clogged jets. Visually inspect air filter for rips or where it may have come free at the seal. Should seal the airbox pretty tight with some lube-seal. Try your idle mixture screw at 1.5 turns out. Get that hoe warmed up completely, like 15 minutes of riding. Then set the throttle screw to a high idle. Then adjust you idle mix screw leaner until the idle speed peaks. Then 1/8th or 1/4 turn back to the rich side. Try :ride: again. -BIG DAN:thumb: [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
Idle problem
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