Prox Crankshaft bearings and seals kit Crankshaft bearingRef : PRO00027A / 1017282

PROX Crankshaft Bearing and Seal Kit — Manufacturer's ref: 23.CBS24098

This PROX kit brings together the essential components for reconditioning the crankshaft: crankshaft bearings and seals designed to restore sealing and proper functioning of the rotating assembly. Designed for the motocross universe, it offers machined and treated parts to optimise the longevity of components subjected to the demands of off-road use.

• Contents: crankshaft bearings and seals (complete kit for refurbishment)
• Treatment: bearings treated to reduce friction and wear
• Usage: intended for engine reconditioning during a check or repair of the crankshaft
• Category: Crankshaft Bearing — PROX brand

Ideal for riders and mechanics looking for reliable maintenance parts for motocross bikes. Be sure to check the bearing play and the condition of the crankshaft before installation, and replace components in pairs if necessary to ensure proper sealing and guidance.

Examples of affected motorcycles:

• YAMAHA YZ 450 F (2026)
• FANTIC XXF 450 (2024)
• YAMAHA WR 450 F (2024)