Namura Standard Bore Piston Kit for Yamaha PW50 fits 1981-2024 PW 50 - 40mm
Namura Standard Bore Piston Kit for Yamaha PW50 fits 1981-2024 PW 50 - 40mm
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Namura Standard Bore Piston Kit for Yamaha
This Naruma standard bore piston kit for Yamaha PW50 fits 1981-2024 models with a 40mm diameter piston, designed to restore stock compression and performance.
Overview
This Namura standard bore piston kit for Yamaha PW50 provides a direct replacement 40mm piston for engines without cylinder boring. Suitable for the 1981-2024 PW 50, this kit restores power and reliability.
Built For Performance
- Precision-machined 40mm piston at standard bore size
- High-strength aluminum alloy construction for durability
- Includes piston rings, wrist pin, and circlips
- Designed to match OEM specifications
Fits These Machines
- for Yamaha PW50 (1981-2024)
On-The-Job Use
- Youth motorcycle training and recreational riding
- Engine refresh without oversize machining
- Maintenance for worn piston and rings
Specs At A Glance
| Bore | 40mm |
| Type | Standard Bore |
Good To Know
Q: Does this piston kit require cylinder boring? A: No, it is a standard bore size and directly replaces the original piston without cylinder machining.
Q: Are the piston rings included? A: Yes, the kit includes 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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