ATV$86.41
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ATV
PISTON KIT 83.45/+0.50 YAM
$86.41
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
- 0.6468
- Shipping Class
- standard
Vehicle Fitment
Check NAMURA PISTON KIT 83.45/+0.50 YAM (part NA-40005-2) 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 Bw350
1987–1988
Yamaha YFM200DX Moto-4
1987–1989
Yamaha YFM225 Moto-4
1987–1988
Yamaha YFM250 Moto-4
1989–1991
Yamaha YFM350ER Moto-4
1987–1995
Yamaha YFM350FA Bruin 4WD [SRA]
2004–2006
Yamaha YFM350FG Grizzly 4WD [SRA]
2007–2014
Yamaha YFM350FGI Grizzly 4WD [IRS]
2007–2012
Yamaha YFM350FW Big Bear 4WD [SRA]
1987–1998
Yamaha YFM350FX Wolverine 4WD [SRA]
1995–2005
Yamaha YFM350G Grizzly 2WD [SRA]
2007–2012
Yamaha YFM350R Raptor
2004–2013
Yamaha YFM350U Big Bear 2WD [SRA]
1996–1998
Yamaha YFM350X Warrior
1987–2004
Parts for the Same Vehicles
These parts share at least one listed vehicle application. Check each part’s fitment for your model and year.
