
POLINI Primary Gear - Z=24/42 (Manufacturer Ref: 202.1216)
Primary gear set by POLINI, designed for small Vespa 50 2T models. Comprising two sprockets (24 and 42 teeth), this assembly forms the primary reduction of the transmission system: it fits into the gearbox casing and connects the crankshaft to the gearbox. A replacement part for maintenance or refurbishment of transmissions on urban 2-stroke models.
Main compatibilities: VESPA PK HP (1999 - 50 cm3), VESPA PK XL (1991 - 50 cm3), VESPA PK (1991 - 50 cm3). Before installation, check the condition of the bearings, seals, and casing; torque tightening and alignment checks are recommended. For a clean and secure installation, consult a professional if you are not equipped.