PISTON KIT 40.00mm 08-13 POLARIS 50, NAMURA NA-50015-4 ATV QUAD, Polaris 50 OUTLAW 2008-2019, 50 PREDATOR 2007, YAMAHA YFZ50 2017-21
Namura piston kit with 40.00mm standard bore. This cast piston assembly features high silicone content for increased strength, an anodised dome for improved heat resistance and lifespan, and Molybdenium Teflon-coated skirts to minimise resistance and wear. Supplied as a complete kit, it includes piston, rings, pin, and clips. Bore size 40.00 mm, piston diameter 39.98 mm. Part number 56-W837.100.NT. Cross-reference OEM part numbers: Namura NA-50015-4, CLIP-PISTON PIN 0453432, PISTON-PREDATOR 50 0453833, PIN-PISTON, PREDATOR 50 0453832, SET-RING, PISTON, PREDATOR 50 0453834. Manufactured by Namura Technologies. Weight 106 grams.
- SKU
- 56-W837.100.NT
- Brand
- Namura Technologies
- Availability
- In Stock (6)
FULL DESCRIPTION
Namura Piston Kit 40.00mm Standard Bore
Enhance the performance and durability of your 50cc engine with this premium piston kit from Namura. Engineered for a precise 40.00mm standard bore, this kit is designed to meet the demanding needs of Polaris 50cc models and Yamaha YFZ50. The cast piston construction features a high silicone content for exceptional strength and reliability under strenuous operating conditions. Experience improved heat resistance and extended lifespan thanks to the anodised dome, while the Molybdenium Teflon-coated skirts significantly reduce friction and wear, ensuring smoother operation and increased engine efficiency.
Key Features:
- High-quality cast piston with superior strength from high silicone content.
- Anodised dome provides enhanced heat resistance for greater durability.
- Molybdenium Teflon-coated skirts minimise wear and reduce friction for optimal performance.
- Supplied as a complete assembly for straightforward installation, including piston, rings, pin, and clips.
- Standard bore size: 40.00 mm.
- Piston diameter: 39.98 mm.
- Manufactured by Namura Technologies for trusted quality.


