
NTN crankshaft bearing 35x80x21 mm, manufacturer reference 6307C3. Replacement part designed for engine assemblies requiring a bearing with precise dimensions to ensure the alignment and rotation of the crankshaft. Manufactured by NTN, a specialist in rolling elements, for easy integration during an engine overhaul or repair on quads and roadsters.
Designed to replace a worn or damaged bearing, this bearing meets the assembly requirements of quad engines and certain roadsters. It is particularly suitable for the models referenced: YAMAHA YFM 660 GRIZZLY (4WD and CAMO) and HONDA XL 500 S (PD01). Before installation, check the condition of the seat and the bearing surfaces to ensure a correct fit.
Ideal for demanding motorcyclists and DIY enthusiasts, this NTN bearing integrates into common maintenance operations: disassembly of the casing, inspection of the crankshaft, and replacement of wear parts. Prefer installation with appropriate tools and adhere to the tightening torques recommended by the manufacturer.