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when I go full throttle the motor spits and sputters , I back off a little bit and it runs fine, other than that the motor runs like a charm. anybody else have this problem , any suggestions . Thanks in advance Dan
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Bad throttle position sensor.... or its out of adjustment. You'll have to plug it into the Yamaha Diagnostic System on a computer and let it read all the sensors and see whats what. The ECU also records any malfunction codes and reports them to the YDS. Find someone with the YDS software or take it to the dealer.
Mike...... Miami, FL
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