From 2Fast, Italy: Crankshaft 2Fast 39,3mm / 85mm Minarelli LC, high-end racing crankshaft for ambitious tuners. For 70cc setups.The crankshaft was developed for the 70cc cylinders by 2Fast. It can of course also be used with other racing cylinders.
The crankshaft has a stroke of 39,3mm (original) and a 85mm connecting rod.
By using a different small end bearing with 17mm outer diameter, you can also use cylinders with 13mm or 14mm piston pin.
Note: you?ll have to do some crankcase milling to make room for the crankshaft / crank webs. Crank web diameter = 75mm.
Technical features:
for Minarelli horizontal - Yamaha Aerox and others
stroke 39.3 mm (original)
connecting rod 85 mm - crankpin 18 mm
small end bearing 12x17x16mm
crankcase milling is required
weight 1470g
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