NewBonneville Idle Mixture Screws New Bonneville Triumph Riders & Owners Forum

Adjusting the pilot screw (idle micture screw) for Bonneville needs D-type screw driver. By replacing the original pilot screw (the shorter ones) with NewBonneville Idle Mixture Screws, you can adjust the screw by fingers without tools. In addition, one can control the setting (rounds) by

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