for GILERA/ PIAGGIO 50ccm 2T AC/ LC
stroke 39.3mm
conrod 80.0mm
pin 12mm

TUNING SPORT – high-performance
Product description
Want more power We’ve got just the right one for you withPOLINI
HPC racing crankshaft
. Higher pre-compression guarantees better performance, higher rpm’s, higher top speeds.
High compression full circle crankshaft, high quality silver bearing (heat dissipation!); operational area up to 15,000 rpm’s. Good durability, suitable for 50ccm and 70ccm tuning motors. Reduced weight due to high tec synthetic material.
Available for 10 and 12mm piston bolts
TIP! Don’t forget new bearings, gaskets and oil seal rings
OEM numbers (for comparisons):
210.0047 (POLINI)