Polini Clutch Spring Set | Honda Dio 139QMB Vespa 50cc 95mm Variator Total Block Height (H): 27mm

Total Block Height (H): 27mm

Genuine Rattler 125 and Rattler 200i

Length: 154

Idle Jet: 42

VRM-119C sport tread — low rolling resistance and crisp cornering response

Polini Clutch Spring Set | Honda Dio 139QMB Vespa 50cc 95mm Variator Total Block Height (H): 27mmFine tune your launch performance and eliminate sluggish low end takeoff with the genuine Polini Clutch Spring Tuning Set. Designed to fit original factory clutches on 50cc scooters, this complete tuning kit allows you to adjust your clutch engagement RPM to match modified exhausts, big bore cylinders, or sport CVT setupsensuring your engine revs directly into its ideal powerband before sending power to the rear wheel. Key Features 4 Stage RPM Tuning