SIP Premium Crankshaft disc valve 57mm stroke 105mm connecting rod timing 118/15

The SIP PREMIUM 93742 - 97915 crankshaft is specifically designed for the Vespa 150 VBA/VBB 1/T4/GL 1, offering high performance and a responsive throttle. Equipped with a rotary disc valve, this crankshaft ensures optimal mixture flow, contributing to more efficient combustion.

With a stroke of 57.0 mm and a connecting rod of 105.0 mm, it is ideal for those looking to enhance the performance of their scooter. The sport connecting rod and the connecting rod bearing with dimensions of 15x19x20 mm ensure superior stability and durability, while the piston pin of 15 mm and the timing of 118/15 at TDC optimize engine output.

This crankshaft is the perfect choice for Vespa enthusiasts who want to improve their vehicle's performance while maintaining the reliability and tradition that characterize the SIP SPAREPARTS brand.