Crankshaft Athena 43mm stroke 85mm conrod 12mm pin Minarelli vertical

Description Sport crankshaft Minarelli verticalAthena long-stroke crankshaft 43mm stroke / 85mm connecting rod / 12mm piston pin for Minarelli vertical. Originally developed for the Athena 80cc SPORT PRO cylinder.features athena long-stroke crankshaft:With a stroke of 43 mm and a connecting rod of 85 mm, this crankshaft offers a perfect balance between performance and endurance. The connecting rod with lubrication holes minimizes piston wear and improves lubrication.It is ideal for use with the Athena SPORT PRO 80cc cylinder, but can also be used for other cylinders with a long stroke and 12 mm piston pin.Note: Machining of the crankcase is required for installation.Technical data tuning crankshaft Yamaha BWs:Stroke: 43 mm (longer than original)Reinforced connecting rod: 85 mmPiston pin: 12 mm.Reinforced small end bearing: 12x16x15mm.Material: Hardened steelBearing seat: 20 mm Questions about the product

• Brand: Athena
• SKU: ATH070314/2
• Availability: Currently not 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