Polini 1500 RPM Compression Torque Spring | 139QMB Dio vespa 50 Let the engine and exhaust
Yard notes & kiln story
Description
Polini 1500 RPM Compression Torque Spring 139QMB Dio vespa 50 Let the engine and exhaust Let the engine and exhaust cool completely before putting the cover on Carburetor Tuning: Increasing exhaust flow requires more fuel Compatibility The Polini Compression Torque Spring (contra spring) at 1500 RPM is a direct fit performance upgrade for Honda Ruckus