Polini top end assemblies for 50cc can be used to recondition the cylinder kit with an identical reliability specification to the manufacturer's original equipment. They are fabricated from high-qua...
Replacement rings_ 260061, replacement gudgeon pin_ 032017, spare clips_ CP1210G, needle bearing cage_ 400442, top end gasket set_ 604089
Die-cast piston, supplied with piston ring(s), clips and gudgeon pin. Supplied as a single unit.
Polini top end assemblies for 50cc can be used to recondition the cylinder kit with an identical reliability specification to the manufacturer's original equipment. They are fabricated from high-qua...
Replacement rings_ 260241, replacement gudgeon pin_ 032028, spare clips_ CP1510, needle bearing cage_ 400401
Replacement rings_ 260114, replacement gudgeon pin_ 032035, spare clips_ CP1612C, needle bearing cage_ 400416
PROX forged pistons are fabricated from a special alloy which minimises friction for maximum reliability and performance.
Wossner forged pistons are made in Germany by specialists of 2 and 4 strokes engine parts Forged pistonAnti friction coated skirtSupplied with required Ring(s), circlips and axis