Crankshaft 2Fast 39,3Mm Stroke / 85Mm Conrod Minarelli Horizontal

Racing crankshaft 2Fast Minarelli horizontal / Aerox Crankshaft 39.3mm stroke / 85mm connecting rod 2Fast Minarelli horizontal, high-end racing crankshaft for demanding tuners from the Italian tuning company 2Fast, specially designed for 70cc setups. This crankshaft was developed specifically for the 2Fast 70cc cylinder and guarantees top performance in that setup. It can of course also be used with other racing cylinders with matching stroke. The crankshaft has 39.3mm stroke (original) and an 85mm connecting rod. With a different small end bearing (17mm outer diameter), cylinders with 13mm or 14mm piston pins can also be fitted. Note: the crankcase must be slightly machined so that the crankshaft and crank webs fit. Web diameter is 75mm. Technical information 2Fast Racing crankshaft For Minarelli horizontal - Yamaha Aerox etc. Stroke 39.3mm (original) Connecting rod 85mm - crankpin 18mm Small end bearing 12x17x16mm Crankcase machining required Weight 1470g