This Polini full circle crankshaft has been balanced and features an over-sized, strengthened connecting rod, making it suitable as both a stock replacement crank and a race crank.
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