PROX Crankshaft Bearing and Oil Seal Kit — manufacturer reference: 23.CBS24001. Designed for reconditioning the crankshaft on off-road machines, this kit includes the bearings and seals necessary to achieve smoother rotation and appropriate sealing under motocross conditions.
- Contents: bearings + crankshaft oil seals
- Treated bearings to reduce friction and limit wear
- Oil seals ensuring oil/oil engine sealing under normal usage conditions
- Ideal for engine disassembly or crankshaft reconditioning
Whether you are overhauling an engine after an intensive season or preparing for a restoration, this PROX kit provides the key wear components to control the axial and radial play of the crankshaft and prevent oil leaks. Simple installation for a skilled DIYer or a professional mechanic: replace bearings and seals while ensuring cleanliness and proper positioning of the parts.
Compatible motorcycles (examples): YAMAHA YZ 250 F (2026), FANTIC XXF 250 (2024), YAMAHA YZ 250 FX (2024). Kit suitable for the Cross universe, for a worry-free ride on the track.