Manufactured by Namura
Kit includes piston, rings, pin, clips, wrist pin bearing & top end gasket kit (you get exactly what is pictured)
Cast piston has super-high silicone content for additional strength
Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life
Piston dome is anodized for superior heat resistance and longer lifespan
Namura gaskets use performance materials to increase durability and provide greater reliability
Includes all gaskets pictured to rebuild top end
Kit is for standard bore size - 47.00mm
Size A piston is 46.95mm
Compression ratio of 8.2:1
Made in Taiwan


Namura Top End Repair Kit Standard Bore - NX-40080K


  • 1993 Yamaha YZ80
  • 1994 Yamaha YZ80
  • 1995 Yamaha YZ80
  • 1996 Yamaha YZ80
  • 1997 Yamaha YZ80
  • 1998 Yamaha YZ80
  • 1999 Yamaha YZ80
  • 2000 Yamaha YZ80
  • 2001 Yamaha YZ80

YZ80 93-01 Namura - Top End Repair Kit Standard Bore - NX- 40080K

Excluding Sales Tax