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Designed for the restoration of the crankshaft in motocross machines, this PROX kit includes the bearings and seals necessary to replace worn components during a rebuild. Ideal for maintenance operations on YZ250 and 250cc machines, it is aimed at riders and mechanics who want to restore a solid foundation before reassembling the engine.
Regular installation and inspection of the crankshaft are recommended to ensure the longevity of the components. This PROX kit is a practical solution for replacing sealing and bearing parts all at once during an engine overhaul.