Description HPC Crankshaft Naraku Racing CPICrankshaft Naraku Racing HPC for CPI, Keeway, China 2T E2 - high-quality HPC crankshaft from Naraku. Produced according to OEM guidelines of Japanese vehicle manufacturers.This is an HPC Racing full-circle crankshaft, i.e. the pre-compression in the crankcase is increased, resulting in significantly better cylinder filling. The crankshaft comes with high-quality bearings. This means that the crankshaft can also be used in combination with 50-70cc tuning cylinders.A special feature of this crankshaft is that the main bearings are already pre-assembled, so the crankshaft only needs to be inserted into the crankcase halves. We recommend heating the halves to do this.We also recommend ordering new oil seals.Specifications Naraku Racing crankshaft China 2TPiston pin diameter: 12mmDiameter variator stub: 16mmThread variator stub: M12Thread ignition: M12Small end bearing: 12x16x16mm (included)Main bearing already pre-assembled Questions about the product

• Brand: Naraku
• SKU: NK105.18
• 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