NTN Crankshaft Bearing 40x90x23mm – Ref. 6308C3

This replacement part is designed for quad engines, motocross machines, and roadsters. This NTN bearing features standard dimensions of 40 x 90 x 23 mm to replace a worn crankshaft bearing. Manufactured by NTN, a global specialist in bearings, it is aimed at riders and mechanics looking for a precise part for rebuilding the bottom end of the engine.

• Manufacturer Reference: 6308C3
• Dimensions: 40 x 90 x 23 mm
• Brand: NTN
• Category: Crankshaft Bearing
• Universe: Quad, Motocross, Roadster

Compatible with numerous machines, it is suitable for crankshaft interventions during intensive riding or restoration. Among the commonly mentioned models are:

• YAMAHA YFM 700 KODIAK EPS 4WD (2025)
• HONDA XR 600 R (PE04) (1998)
• YAMAHA YXM 700 VIKING 4WD (2021)

Before installation, check the reference and dimensions on your engine. Installing the bearing on the crankshaft requires appropriate tools (press, fitting tools) and precise control of play and alignment; entrust the installation to a professional if necessary to ensure reliable operation of the bottom end.