Thread: 2006 Gas Gas 300 Top rpm/Open throttle range problem
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Old 01-30-2019, 03:04 PM
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RudolfHucker RudolfHucker is offline
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Also check that the tank vent is not blocked and stopping air replacing the used fuel. This may be enough to stop the carb refilling properly.

Is the float valve opening all the way or sticking as the fuel level drops?
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