Namura .040 Over Bore Top End Kit for Yamaha 450 Kodiak Rhino Grizzly 85.5mm
Namura .040 Over Bore Top End Kit for Yamaha 450 Kodiak Rhino Grizzly 85.5mm
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.040 Over Bore Top End Kit (85.5mm) for Yamaha 450 Kodiak, Rhino, Grizzly
This top end kit provides .040 over bore piston and cylinder components to restore compression and power for Yamaha 450 Kodiak, Rhino, and Grizzly models.
Overview
The .040 over bore top end kit is designed to rebuild the upper engine of your Yamaha 450 utility vehicle. This kit includes a piston, rings, pin, and circlips to refresh worn cylinders. Riders and mechanics rely on this top end kit for reliable performance in tough terrain.
Built For Performance
- Piston oversized .040 for increased displacement
- Includes high-quality piston rings for optimal seal
- Includes wrist pin and circlips for secure installation
- Designed for Yamaha 450 engine family
- High-strength aluminum alloy construction
Fits These Machines
- for Yamaha Kodiak 450
- for Yamaha Rhino 450
- for Yamaha Grizzly 450
On-The-Job Use
- Trail riding and recreation
- Farm and ranch work
- Hunting and outdoor expeditions
- Utility hauling and towing
- Off-road racing and climbing
Specs At A Glance
| Bore Size | 85.5 mm |
| Overbore | .040 in |
| Type | Top End Kit |
Good To Know
Q: Does this kit include a gasket set? A: No, gaskets are sold separately. We recommend using a new gasket set for proper sealing.
Q: Will this fit a standard bore cylinder? A: No, this is an .040 overbore kit; your cylinder must be bored to 85.5 mm to accommodate the oversized piston.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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