Reed valve Slave Bare Engine Casing

Made in die-casting, the Pinasco for Vespa Small Frame are currently available in 2 versions: Slave Naked with closing plate for those who prefer admission to the cylinder and Slave 8X with 8-petal PINASCO 8X reed valve.

All models use an oversized 88mm shoulder crankshaft, a roller cage and oil seal in the gear selector, oversized main bearings to support the increased power, reinforcements and ribs at critical points and, for the first time on a Vespa crankcase, the REMOVABLE GEAR SYSTEM.

The Pinasco crankcase for Vespa Small allows the assembly of all thermal groups and sports exhausts for Vespa on the market without particular modifications.