Namura .020 Over Piston Kit for Yamaha Big Bear 400 & Kodiak (1993-1999)

Namura .020 Over Piston Kit for Yamaha Big Bear 400 & Kodiak (1993-1999)

Includes:
1 x piston kit with rings, pin, and circlips

Fits Models:
Yamaha Big Bear 400, Yamaha Kodiak 400

Model Years:
1993 - 1999

Submodels:
Big Bear 400, Kodiak 400

Engine Options:
4-stroke, ~399cc, air-cooled

Description:
Namura .020 over piston kit for Yamaha Big Bear 400 and Kodiak
ATVs (1993-1999). Precision machined for improved durability and
power, maintaining OEM compression and reliability.

Features:
- Fits Yamaha Big Bear 400 & Kodiak 1993-1999
- .020 overbore for extra displacement
- Includes rings, pin, and clips
- Improves torque, response, and efficiency

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