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Old 02-26-2010, 05:53 PM   #13
Hawk Medicine
Coyote's Brother
 
Joined: Jun 2008
Location: NOR CAL
Oddometer: 3,301
If it won't hold a 'tune' and is running lean, you have an air leak someplace.

Check the carbs, air tubes and connectors by spraying those areas while the bikes running. If theres a change, you have a leak and the rubber carb connectors do need replacement every decade or so.

+1 on the throttle shaft o-rings. If they need to be replaced, several of us here can walk you through that repair. It sounds like a bigger deal than it is and it's something that most owners neglect to do, even if they rebuild the carbs.

Check and come back with your results.
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