The PROX crankshaft bearing and seal kit is designed for the engine refurbishment of motocross machines. Comprising the necessary bearings and seals, it allows for a return to a level of sealing and operation close to the original equipment during a crankshaft overhaul. Ideal for pistons, connecting rods, and rotating assemblies subjected to off-road conditions.

• Complete kit: bearings + seals for crankshaft
• Treated bearings to minimise friction and promote smoother starting and engine response
• Designed for the overhaul of motocross engines subjected to shocks and high RPMs
• Spare part for refurbishment, usable on RMX450Z / RMZ450

When installed during an engine refurbishment, this kit helps restore the sealing and rotation of the crankshaft while facilitating the lubrication of the bearings. It is aimed at riders and mechanics looking for a practical solution to bring the engine component back to standard after long rides or demanding races. For compatibility and installation, please check the compatibility with your model before proceeding.

Brand: PROX — Manufacturer reference: 23.CBS34008