PISTON KIT 81-12 PW50 41.50, NAMURA NX-40005-6 YAMAHA
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Namura Piston Assembly - 41.50mm Bore - NX-40005-6. This piston assembly is made to exact OEM specifications and is a direct replacement for OEM pistons with no modifications or dimensional adjustments needed. Namura pistons feature MOS2 (Molybdenum/Teflon) skirt coatings, high-silicon aluminum, and anodized domes. Piston kits include individually wrapped pistons, OEM quality rings packed in their own box, wrist pins, and circlips. Namura rings are made by Riken, the world's largest OEM manufacturer, and are the same OEM rings used on more motorcycles and ATVs than any other brand. A, B, and C pistons are available to help extend the life of Nikasil, SCEM, Boron Composite, and Ceramic Cylinders.
- SKU
- 56-W938+150.NT
- Brand
- Namura Technologies
- Availability
- In Stock (8)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 41.50mm
- Variant Id
- 258291
FULL DESCRIPTION
Namura Piston Kit - 41.50mm Bore
This Namura Piston Kit is designed to be a direct replacement for your original piston, manufactured to exact OEM specifications. No modifications or dimensional adjustments are necessary for installation.
Namura pistons feature:
- MOS2 (Molybdenum/Teflon) Skirt Coatings: Reduces friction for smoother operation and increased longevity.
- High-Silicon Aluminum Construction: Provides excellent durability and heat dissipation.
- Anodized Domes: Enhances resistance to heat and wear.
Each piston kit includes:
- Individually wrapped piston
- OEM quality piston rings, packed separately
- Wrist pin
- Circlips
The included Namura piston rings are manufactured by Riken, the world's largest OEM manufacturer. These are the same OEM quality rings used on a wide variety of motorcycles and ATVs.
Available in A, B, and C sizes (sold separately), these pistons can help extend the life of expensive Nikasil, SCEM, Boron Composite, and Ceramic cylinders.
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UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
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