Description
From 2Fast, Italy: Crankshaft 2Fast 45.8mm stroke / 90mm connecting rod Minarelli horizontal, high-end racing crankshaft for ambitious tuners. For 90cc setups.
The crankshaft was developed for the 90cc cylinders by 2Fast and withstand speeds up to 20.000 rpm. It can of course also be used with other racing cylinders.
By using a different small end bearing with 17mm outer diameter, the crankshaft can also be used with cylinders with 13mm or 14mm piston pins.
Note: the engine block will need some machining to make room for this 'oversized' crankshaft. The crank webs have 76mm diameters.
Technical information:
- for Minarelli horizontal (Yamaha Aerox etc.)
- stroke 45.8mm
- connecting rod 90mm, crank pin18mm
- small end bearing: 12x17x16.5mm
- crankcase milling: yes
- weight: 1550g
