
Effectively replace the worn oil seal to restore reliable sealing of your motocross bike's crankshaft. This PROX crankshaft oil seal 30x42x6mm is designed to prevent oil leaks between the engine casing and the crankshaft, essential for maintaining lubrication and avoiding splashes on the transmission and clutch.
Replacement part suitable for small displacement cross and motocross bikes where sealing precision is essential. Particularly suitable for the listed models: GAS GAS MC 65 (2025), HUSQVARNA TC 85 BIG WHEELS 19/16 (2023) and KTM 65 SX (2022). Standard installation requiring the removal of the engine casing and the appropriate tools to fit the seal without damaging it.
Choose this PROX oil seal for a targeted and clean repair of your engine: exact dimensions, clear manufacturer reference, and individual packaging to replace only the defective part.