Polini Crankshaft for Horizontal Minarelli Engines 7/8" This is the ONLY kit

This is the ONLY kit on the market for 2-port large frame Vespas

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Cost-Effective Upgrade: Purchasing this kit is significantly more affordable than buying individual replacement trim pieces

faster off-the-line acceleration

Bella Classic 50 and sport-style 50cc 139QMB bikes

Polini Crankshaft for Horizontal Minarelli Engines 7/8" This is the ONLY kitPolini Crankshaft for Horizontal Minarelli Engines. This Polini full circle crankshaft has been balanced and features an oversized, strengthened connecting rod, making it suitable as both a stock replacement crank and a race crank. Fits the following and more: Yamaha: Jog (92 01), Zuma (02 12), Vino 50 Adly: Silver Fox 50 Aprilia: SR50 (94 00), Scarabeo 50 (93 06) Malaguti: Ciak, F10, F12 and F15 A C, and Yesterday 50 Eton: Beamer 2, Viper 50 ATV 39.