CRANKSHAFT HPC MK2 STAGE6 PIAGGIO ZIP / VESPA

The high-quality crankshaft is completely made of metal; the counterweight inserts are made from metal as well. This ensures excellent balancing and stability even at the highest rpms. The connecting rod is forged which provides strength and reliability far surpassing any cast part.

This MK2 HPC crankshaft was built for tuning and racing set-ups, starting at 50cc and going up to 70cc. It can even be used for 70cc high-end engines.

Technical specs:

• connecting rod: original
• stroke: original (39mm)
• piston pin: original (12mm)
• small end bearing: 12x17x15mm
• maximum speed: 16,000rpm
• product range: racing / high-end racing

Please note: the crankshaft comes with two nuts, but it is possible that you will only need one of them for your vehicle / model.