Description Long stroke crankshaft 2Fast 45.8m stroke AeroxPremium tuning crankshaft from 2Fast: Crankshaft 2Fast 45.8mm stroke / 90mm connecting rod Minarelli horizontal. A high-end racing crankshaft for demanding tuners, designed for 90cc setups.Specifically developed for 2Fast 90cc cylinders, this crankshaft is rated for up to 20,000 RPM. It can of course be used with other race cylinders that match the stroke.With a different small end bearing (17mm outer diameter), the crankshaft is also compatible with pistons using 13mm or 14mm piston pins.Note: The engine case must be slightly machined to fit this oversize crankshaft — the crank webs measure 76mm in diameter.Technical information 2Fast Racing crankshaftFor Minarelli horizontal (Yamaha Aerox etc.)Stroke 45.8mm (long stroke)Connecting rod 90mm, crankpin 18mmSmall end bearing: 12x17x16mmCrankcase machining necessaryWeight: 1550g Questions about the product

• Brand: 2Fast
• SKU: TFAST034
• Availability: In stock soon

Notes and Safety How to change a crankshaft?The crankshaft is one of the main components of the engine and is responsible for the smooth operation of motorcycle, scooter and moped, whether with two-stroke or four-stroke engine. The longevity of the engine depends not only on the proper condition of the crankshaft, but also on the fact that it is properly mounted.For a correct installation of the crankshaft, we recommend our tutorial: Crankshaft disassembly and assembly.How can I tell if my crankshaft is Damaged?A broken crankshaft causes metallic noises, unusual vibrations, leaking oil seals and drastically reduces the performance of the two-wheeler. In any case, the vehicle must be stopped