Namura .020 Over Bore Piston Kit for Yamaha Raptor 80 Grizzly 80 Badger 47.5mm
Namura .020 Over Bore Piston Kit for Yamaha Raptor 80 Grizzly 80 Badger 47.5mm
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.020 Over Bore Piston Kit for Yamaha
This .020 over bore piston kit rebuilds the top end for Yamaha Raptor 80, Grizzly 80, and Badger ATVs with a 47.5mm bore.
Overview
This .020 over bore piston kit is designed for Yamaha Raptor 80, Grizzly 80, and Badger models. It provides a precise 47.5mm bore size for restoring engine compression. The kit is ideal for mechanics rebuilding a Yamaha ATV top end.
Built For Performance
- Precision-machined 47.5mm bore
- Oversized .020 for worn cylinders
- Namura quality casting
- Includes piston rings and pins
- Lightweight design reduces reciprocating mass
- Heat-treated for durability
Fits These Machines
- for Yamaha Raptor 80
- for Yamaha Grizzly 80
- for Yamaha Badger
On-The-Job Use
- Restoring top-end performance on Yamaha ATVs
- Rebuilding engines after cylinder wear
- Trail riding and off-road applications
- Maintenance for recreational quad bikes
- Replacement for worn original pistons
Specs At A Glance
| Bore | 47.5mm |
| Oversize | .020 in |
| Brand | Namura |
Good To Know
Q: Does this piston kit include wrist pin and clips? A: Yes, the kit comes complete with piston rings, wrist pin, and circlips for a full top end rebuild.
Q: What compression ratio does this piston provide? A: This is a standard replacement piston, compression ratio matches OEM specifications for the Raptor 80 and similar models.
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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