Exhaust valve Yamaha YZ400 F ('98-'99) / WR 400 F ('98-'00) / YZ 426 F ('00) - ProX

Exhaust valve from ProX for Yamaha YZ400 F (1998-1999) / WR 400 F (1998-2000) / YZ 426 F (2000).

ProX uses the best materials and the valves meet OEM specifications and tolerances - thus representing a very good option in terms of quality/price ratio for replacing defective valves.

Technical specifications:
- material: steel
- head diameter: 28.00mm
- valve length: 82.00mm
- valve stem diameter: 5.00mm

OEM part reference: 5BE-12121-10.