Crankshaft (Full Circle); Vespa P/PX GT YN1P57QMJ Big Bore Kits 58

YN1P57QMJ Big Bore Kits 58

Tapered universal design fits most 50cc–300cc scooter under-seat compartments

Complete Performance Package Includes:

JJ157QMJ 125cc 152QMI

Brand / Model Engine Vespa Granturismo 200 200cc Leader Vespa GTS / GTV 250 & 300 250cc Quasar / 300cc HPE Piaggio BV 200 / 250 / 300 Leader / Quasar / HPE Aprilia Scarabeo / SportCity 200–300cc Piaggio-based

Crankshaft (Full Circle); Vespa P/PX GT YN1P57QMJ Big Bore Kits 58High quality item made in Italy, this full circle crank for 125 150 cc P PX and late model Sprint, Sprint Veloce, and Super model Vespa scooters. Full circle crankshafts increase crank case compression and low end power. The 360 degree webs generate greater stability and longer life over cut back cranks. NOTE: This crankshaft is for use on reed valve inducted engines only. To install in a rotary inducted engine, the rotary pad must be completely