PISTON KIT 81-14 PW50 40.00, NAMURA NX-40005 YAMAHA
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Namura Piston Assembly NX-40005. This piston kit features an 81-14 PW50 40.00 bore. Namura pistons are manufactured to exact OEM specifications and serve as direct replacements without requiring modifications. They are constructed from high-silicon aluminum, feature anodized domes, and have MOS2 (Molybdenum/Teflon) skirt coatings. Each piston kit includes individually wrapped pistons, OEM quality rings packed in their own box, wrist pins, and circlips. Namura rings are produced by Riken, the largest OEM manufacturer globally, and are the same OEM rings used on most motorcycles and ATVs. Available in A, B, and C sizes to help prolong the life of Nikasil, SCEM, Boron Composite, and Ceramic Cylinders.
- SKU
- 56-W938+000.NT
- Brand
- Namura Technologies
- Availability
- In Stock (3)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 40.00mm
- Variant Id
- 258277
FULL DESCRIPTION
Namura Piston Kit - 40mm Bore
This Namura piston assembly is designed as a direct replacement for your original equipment, ensuring a perfect fit without the need for modifications. Manufactured to exact OEM specifications, this piston kit is built for reliability and performance.
Key Features:
- Precision Bore Size: 40.00mm diameter for a precise fit.
- MOS2 Skirt Coating: Features Molybdenum/Teflon skirt coatings for reduced friction and improved durability.
- High-Silicon Aluminum: Constructed from high-silicon aluminum alloy for enhanced strength and heat resistance.
- Anodized Dome: The piston dome is anodized for increased protection and longevity.
- Complete Kit: Each kit includes the piston, individually wrapped for protection, OEM quality rings packed separately, wrist pin(s), and circlips.
- OEM Quality Rings: Namura rings are produced by Riken, the world's largest OEM manufacturer, ensuring the same quality found on numerous motorcycles and ATVs.
- Graded Pistons Available: A, B, and C size pistons are offered, which can help extend the service life of advanced cylinder types like Nikasil, SCEM, Boron Composite, and Ceramic cylinders.
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Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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