ATV$51.61
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ATV
PISTON KIT 70.95/STD 8.7:1 YAM
$70.94
In stock · stock as of Sep 16, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
Will not accept OEM rings and rings will not work on OEM piston
Specs
- Vehicle
- ATV
- Weight Lb
- 0.6899
- Shipping Class
- standard
Vehicle Fitment
Check NAMURA PISTON KIT 70.95/STD 8.7:1 YAM (part NA-40015) against your vehicle before ordering.
Supplier-confirmed applications for this exact part. Match the year, make, and model below. A listed application is not confirmation for an unlisted vehicle.
Yamaha YFB250 Timberwolf 2WD [SRA]
1992–1998
Yamaha YFB250FW Timberwolf 4WD [SRA]
1994–2000
Yamaha YFM250B Big Bear [SRA]
2007–2009
Yamaha YFM250B Bruin 2WD [SRA]
2005–2006
Yamaha YFM250X Bear Tracker 2WD [SRA]
1999–2004
Parts for the Same Vehicles
These parts share at least one listed vehicle application. Check each part’s fitment for your model and year.
