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What size pulley works without modifying the carburetor or throttle linkage?

April 26, 2017Carburetor Linkage modifying pulley size throttle

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What size pulley works without modifying the carburetor or throttle linkage?

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We had excellent results with a 2 ½” pulley. It allowed the alternator to output voltage at even half or lower throttle settings at a slightly lower output current. So, with less than full demand, the motor speed could be reduced without killing the motor, and providing fuel savings.