Full cheek crankshaft from Top Performances with aluminum and tungsten inserts for 77cc cylinder kits with 12mm piston pin suitable for scooters with water-cooled Minarelli horizontal engine. Including needle bearing (silver coating), ball bearing set and shaft seals.
Stroke: 39.2mm (original)
Connecting rod length: 85mm
Piston pin size: 12mm
Needle bearing: 12x15x15mm
Stroke: 39.2mm (original)
Connecting rod length: 85mm
Piston pin size: 12mm
Needle bearing: 12x15x15mm
