Description Long stroke crankshaft 2Fast 47m stroke AeroxPremium tuning crankshaft from 2Fast: Crankshaft 2Fast 47mm stroke / 95mm connecting rod Minarelli horizontal. High-end racing crankshaft for demanding tuners, developed and designed for the 100cc cylinders from 2Fast, but can of course also be used with other racing cylinders with the corresponding stroke.The crankshaft has 47mm stroke and a 95mm connecting rod.With a different small end bearing (17mm outer diameter), the crankshaft is also compatible with pistons using 12mm or 13mm piston pins.Attention: the engine block must be machined to make room for this 'oversized' crankshaft. This affects the space for the larger crank webs, the passage for the connecting rod and the adaptation for the use of a reed valve spacer.Technical information 2Fast Racing crankshaftFor Minarelli horizontal (Yamaha Aerox etc.)Stroke 47mm (long stroke)Connecting rod 95mm, crank pin 18mmSmall end bearing: 12x17x16mmCrankcase machining necessaryCrank webs 79mmWeight: 1650g Questions about the product

• Brand: 2Fast
• SKU: TFAST087
• 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