Clutch Spring POLINI Sport
for Vespa 50-125/PV/ET3/PK50
In order to transmit more performance, an increased friction is necessary within the clutch mechanism. Reinforced springs lead to more cohesive pressure, more plates to an increased frictional area.
SIP community user "electr00nix": No slipping and sliding anymore. Perfect for my tuned motor!?
OEM Numbers (for the purpose of comparison)