Description Racing crankshaft Endurance Minarelli verticalVery high quality racing full circle shaft from Doppler, for Minarelli vertical engines, at a exceptional value for money. Suitable for many different 50cc motorbikes with vertical Minarelli engine like Yamaha Slider / BW's ...etc.Full-circle crankshafts increase the pre-compression in the crankcase, which leads to a better filling and increased engine power. Also, the engine runs smoother, with reduced imbalance and less vibration.The counterbalance weights are made of aluminum, the connecting rod is forged, the crankshaft has 18mm crankpin. Comes with reinforced 10x14x13mm piston pin bearing.Suitable for engines up to 15,000 rpm. The crankshaft can be used as a replacement for the original crankshaft or tuned setups with 50cc or 70cc racing cylinders.The Doppler Endurance should be installed with new reinforced bearings; these are not included and must be ordered separately.If the crankshaft does not meet your expectations, check out our wide selection of crankshafts (OEM quality and reinforced).Crankshaft Doppler Endurance Minarelli verticalFull circle crankshaftSmall end bearing: 10x14x13 mm Questions about the product

• Brand: Doppler
• SKU: CGN441277
• 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