Namura 40mm Over Bore Piston Kit for Yamaha YFZ50 (2017–2025)

Namura 40mm Over Bore Piston Kit for Yamaha YFZ50

Includes:
- 1 x Namura 40mm Over Bore Piston Kit (piston, rings, pin, circlips, gaskets)

Fits Models:
- Yamaha YFZ50

Model Years:
- 2017-2025

Submodels:
- All YFZ50 ATV variants

Engine Options:
- 49cc single-cylinder

Description:
Upgrade for Yamaha YFZ50 to 40mm overbore for increased displacement, throttle response, and top-end power. Engine components are designed for durability and compatibility with stock rods and seals, improving overall performance and ride experience.

Features:
- Designed for Yamaha YFZ50 2017-2025
- 40mm overbore for higher displacement and power
- Complete piston kit with rings, pin, clips, and gaskets
- Maintains reliable operation with stock tolerances

namura, piston kit, Yamaha YFZ50, overbore, ATV, performance, engine upgrade