Polini Clutch spring Set; Honda Dio, 139QMB SW 1200-1218
This Polini Clutch Spring Set works with Vespa 50cc scooters, Honda Dio and 139QMB 50cc engines. Includes 12 clutch springs in 4 different RPM settings: 4k - 7k.
- Includes 12 clutch springs in 4 different RPM settings: 4k - 7k
- Fits clutch nuts with an M28 thread and a 39mm socket size
