Polini CrankshaftRef : POL00250A / 1126051

POLINI Crankshaft (manufacturer reference: 210.0051) — replacement part designed for urban displacements, intended for scooter enthusiasts who are refurbishing the engine assembly of their Vespa. Compact and precise, this crankshaft features the key dimensions necessary for installation on the models listed below.

• Stroke: 51 mm
• Conical end: 20 mm
• Weight: 1.61 kg

WARNING: Use C4 bearings - 20x47x14

Main compatibilities: Vespa PK XL (1991 - 125 cc), Vespa PK S Electric Starter (1991 - 125 cc), Vespa PK S (1991 - 125 cc). Suitable for maintenance or restoration work on urban engines where a crankshaft with precise dimensions is required.

Practical points: check the condition of the bearings and the crank pin during replacement, adhere to the assembly and torque specifications recommended by the manufacturer. This part is integrated into the heart of the primary transmission and must be handled with care to ensure the engine's long-lasting performance.