Namura .040 Over Bore Piston Rings / 72mm / for Yamaha 250 ATVs (1992–2009)

Namura .040 Over Bore Piston Rings 72mm for Yamaha 250 ATVs (1992–2009)

Includes:
1 x Namura .040 Over Bore Piston Rings set (72mm)

Fits Models:
Yamaha ATV

Model Years:
1992 - 2009

Submodels:
Yamaha 250cc ATV models (various trims)

Engine Options:
250cc, 4-stroke engines

Description:
Namura 72mm bore rings designed for Yamaha 250cc ATVs. This .040 overbore kit restores compression, seals rings, and supports engine durability during rebuilds or performance upgrades.

Features:
- Specifically for Yamaha 250 ATVs with 72mm bore
- .040 overbore for compression restoration
- Replaces worn rings to improve power and oil control
- Compatible with standard 250cc 4-stroke engines

Namura piston rings, Yamaha 250 ATV, 72mm, .040 over, engine rebuild, ATV maintenance, bore kit