Namura .020 Over Bore Piston Kit 39.5mm for Yamaha YFZ50 (2017–2025)

Namura .020 Over Bore Piston Kit 39.5mm for Yamaha YFZ50 (2017-2025)

Includes:
- 1 x Namura .020 Over Bore Piston Kit 39.5mm

Fits Models:
- Yamaha YFZ50

Model Years:
2017-2025

Submodels:
- Youth/Children’s ATV (YFZ50 specific)

Engine Options:
- 50cc

Description:
Overbore piston kit designed to raise displacement and responsiveness for the Yamaha YFZ50, improving compression, power delivery, and engine durability while maintaining reliability for youth-use ATV maintenance and performance upgrades.

Features:
- Namura .020 over bore 39.5mm for YFZ50
- Direct fit, improved compression and performance
- Suitable for 2017-2025 YFZ50 models

Namura, piston kit, overbore, 39.5mm, Yamaha YFZ50, 2017-2025, engine parts