Re: Yamaha QT50 Has Inconsistent Idle and Randomly Bogs Down

Bob Naske /
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I'd take the carb apart again. make sure you get the long orifice tube out under the pilot jet and tap out the jet that sticks up slightly into throttle body. These two jets go unnoticed because they are hard to see and sometimes hard to get out- especially the one that's screwed in. Here's the one that's tapped in and sticks up into throttle body a little

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