Description Crankshaft Yamaha AeroxDoppler crankshaft, Minarelli horizontal, 12mm piston pin, high-quality racing crankshaft with FAG small end bearing. Suitable for sports and racing engines up to 15,000 rpm.For Yamaha Aerox / Nitro (Minarelli horizontal AC + LC) with 12mm piston pin.This is a very high quality full circle crankshaft to increase the pre-compression in the crankcase, with aluminum balancing weights, 18 mm crank pin and FAG piston pin bearing.The Doppler Endurance can withstand up to 15,000 rpm. It can be used as a replacement for the original crankshaft or in combination with a 50cc or 70cc Sport or Racing cylinder kit.We recommend using the Doppler Endurance crankshaft with new reinforced bearings.You will also find a large selection of original or reinforced crankshafts in our store.technical data yamaha aerox doppler endurance crankshaft:1x Doppler Endurance crankshaftFull circle crankshaftPiston pin: 12 mmSmall end bearing: 12x15x15 mmForged connecting rod: 80mmJournals: 20mm Questions about the product

• Brand: Doppler
• SKU: CGN449885
• Availability: In stock

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