PROX Crankshaft Bearing and Oil Seal Kit (Manufacturer Ref: 23.CBS20018) — a set of spare parts designed for crankshaft servicing on off-road machines. This kit includes the bearings and oil seals necessary to replace worn components and restore proper sealing for engine operation.
Ideal for the workshop or track preparation, this PROX kit allows you to work on the engine's rotating assembly (crankshaft, crankpins, bearing surfaces) by replacing the sealing and support elements that control friction and play. When installed correctly, it helps to minimise the risk of oil leaks and restore the proper behaviour of the crankshaft during refurbishment.
- Contents: bearings + crankshaft oil seals (complete kit)
- Usage: replacement during engine servicing or refurbishment
- Universe: Cross — designed for the needs of off-road motorcycles
Suitable for interventions on many cross models — check the reference and compatibility with your machine before ordering (for example, YZ85 / YZ65 series). To be installed following the manufacturer's recommendations and checking the installation tolerances to ensure the crankshaft operates reliably.
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