Yamaha BW80 Piston Replacement Kit

Restore lost power and compression with a high-quality top-end rebuild kit for your Yamaha BW80. These Namura-brand kits are designed for all 1986–1990 models and include everything needed for a complete piston replacement.

Features:

• Fits 1986–1990 Yamaha BW80 models
• Manufactured by Namura, a trusted name in engine components
• Kits include:
  • Piston
  • Piston rings
  • Wrist pin
  • Wrist pin bearing
  • Circlips
  • Cylinder base gasket
  • Cylinder head gasket
• Available in standard and oversized bore sizes
• Ideal for restoring performance, fixing low compression, or completing a top-end rebuild
• Note: Be sure to select the correct bore size before adding to cart

Everything you need for a reliable top-end refresh—perfect for rebuilds, maintenance, or performance restoration.

These kits typically ship in about 5 business days.