
Effectively replace the worn crankshaft seal to restore reliable sealing of your dirt bike's crankshaft. This PROX Crankshaft Seal 30x42x6mm is designed to prevent oil leaks between the engine case and the crankshaft, essential for maintaining lubrication and avoiding splashes on the transmission and clutch.
Replacement part suitable for small displacement dirt bikes and motocross where sealing precision is essential. Specifically fits models listed: 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 case and appropriate tools to seat the seal without damaging it.
Choose this PROX seal for a targeted and clean repair of your engine: exact dimensions, clear manufacturer reference, and individual packaging to replace only the defective part.