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Polaris Trail Boss 250 Namura Standard Bore Piston 72mm (1985–1999)
Description:
Replace worn piston with Namura 72mm standard bore for Polaris Trail Boss 250. Restores compression, improves throttle response, and supports reliable daily use. Compatible with 1985–1999 Trail Boss 250 engines for restored performance and longevity.
Features:
- Designed for Polaris Trail Boss 250 (1985–1999)
- Includes piston, rings, pin, and clips for complete installation
- Restores standard bore size for proper compression and power
- Suitable for street and trail riding with improved reliability
Includes:
1 x Namura standard bore piston kit (72mm) with rings, wrist pin, and circlips
Fits Models:
Polaris Trail Boss 250
Model Years:
1985-1999
Submodels:
All Trail Boss 250 variants
Engine Options:
246cc two-stroke
Namura Standard Bore Piston 72mm for Polaris Trail Boss 250 (1985–1999)
Namura piston, Polaris Trail Boss 250, 72mm, standard bore, ATV engine parts, 1985-1999, 2-stroke, piston kit
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