



ALL BALLS crankshaft bearing and seal kit (manufacturer ref. 24-1029): a complete solution for reconditioning the crankshaft of your motocross machine. Designed to replace worn bearings and seals, this kit restores clean operation of the bottom end and limits unwanted play at the crankshaft.
Whether you are preparing for a service after an off-road season or simply wish to enhance the reliability of your engine before hitting the trails again, this kit makes it easy to restore the crankshaft without the need for individual parts searches. Standard fitting and running-in required; follow the manufacturer's recommendations for tightening and alignment during reassembly.
Suitable for the listed motocross models: FANTIC XX 250 (2026), YAMAHA YZ 250 (CG23, 2021) and YAMAHA YZ 250 X (2020). Always check the reference before ordering to ensure compatibility with your machine.