Description Crankshaft 8.1 R-18 for Malossi MHR crankcaseCrankshaft with 47 mm stroke (original stroke) and 100 mm connecting rod for Malossi MHR C One and MHR RC One crankcases from Italian tuning expert Ottopuntouno (8.1).Design Ottopuntouno High-End Racing crankshaftThis is a high-end racing crankshaft made of high-quality steel, with 100mm connecting rod and 18mm crankpin. The crankwebs have a diameter of 79 mm, perfect balancing of the crankshaft is achieved by tungsten inserts. Construction and balancing are perfectly designed for the 100 cc cylinder 8.1 from Ottopuntouno. The crankshaft was developed for use with an OttopuntoUno cylinder, but can of course also be used with other 100 cc cylinders (same stroke).The R-18 version is designed for installation on a Malossi MHR C-One or RC-ONE Piaggio / Malossi MHR C-One oder RC-ONE Minarelli crankcase, but the case must be slightly milled to make room for the larger 79mm crankwebs.Specifications 8.1 High-end crankshaft for Malossi crankcaseHigh-end crankshaftStroke: 47 mmConnecting rod length: 100 mmCrank web diameter: 79 mmSmall end bearing: 14x17x17 mmCrankshaft journal: 18 mmBalancing factor 50%Weight: 1.8 kgFor Malossi MHR C-One or MHR RC-One Piaggio and MinarelliMade in Italy Questions about the product

• Brand: Ottopuntouno Racing Parts
• SKU: OPU005
• 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