Prox 20x40x8mm Crankshaft oil sealsRef : PRO00485A / 1017328

Replace the worn crankshaft seal with this PROX reference 41.2-20447, designed for motocross engines requiring a compact seal of 20x40x8 mm. This individual seal serves the essential function of maintaining sealing around the crankshaft and limiting oil leaks that compromise the proper functioning of the engine.

• Manufacturer reference: 41.2-20447
• Designation: PROX crankshaft seal 20x40x8mm
• Brand: PROX
• Quantity: UNIT
• Category: Crankshaft seal (motocross use)

Common compatibilities: YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 2018, YAMAHA YZ 85 (CB09) 2012, YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB08) 2004. Always check the dimensions and reference before installation to ensure proper fit on your machine.

Workshop tips: carefully clean the housing and check the condition of the crankshaft (absence of deep scratches) before installation. A clean installation and correct positioning of the seal help restore the lower engine's sealing and prevent leaks during motocross sessions.