Namura .020 Over Bore Piston Kit for Yamaha 2002-2018 YZ85 48mm
Namura .020 Over Bore Piston Kit for Yamaha 2002-2018 YZ85 48mm
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.020 Over Bore Piston Kit for Yamaha
This .020 over bore piston kit is designed to replace the standard piston in a Yamaha YZ85 engine, increasing bore to 48mm for enhanced power output.
Overview
This Namura .020 over bore piston kit is built for Yamaha YZ85 models from 2002 to 2018, delivering a 48mm bore for added displacement. The kit includes a piston, rings, and pin, making it a complete solution for a top-end rebuild. Riders seeking more power from their two-stroke YZ85 will find this piston kit a reliable aftermarket option.
Built For Performance
- Precision-machined from high-silicone alloy for durability
- Moly-coated skirts reduce friction and scuffing
- Ring set includes one steel and one chrome ring for sealing
- Wrist pin retained by heavy-duty circlips
- Designed for .020 over bore to 48mm
Fits These Machines
- for Yamaha YZ85 (2002-2018)
On-The-Job Use
- Motocross racing
- Trail riding
- Off-road competition
- Top-end rebuilds
- Engine performance enhancement
Specs At A Glance
| Bore Size | 48mm (0.020 over) |
| Application | Yamaha YZ85 2002-2018 |
| Manufacturer | Namura |
Good To Know
Q: Is this piston kit compatible with a standard bore cylinder? A: No, this is a .020 over bore kit designed for a cylinder that has been bored to 48mm. It requires matching cylinder bore work.
Q: What is included in the kit? A: The kit includes a piston, piston rings, wrist pin, and circlips for a complete installation.
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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