2Bros Parts

PISTON KIT 05-20 YZ125 54.00 A, NAMURA NX-40009 YAMAHA

£56.18

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UK delivery £4.99, free over £60 2–4 business days

Out of Stock

Namura Piston Kit NX-40009, 54.00mm bore size A. High-performance piston engineered in the USA, manufactured in Taiwan using high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower, and fuel economy. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures. MOS2 Teflon/Molybdenum coated skirts reduce friction and heat for added power and longevity. Rings match OEM design. Part number 56-W845.A.NT. Cross reference numbers: 1C3-11631-03-D0, 1C3-11631-03-C0, 1C3-11631-03-A0, 1C3-11631-03-B0, 5NY-11611-00-00, 1C3-11633-00-00, 93450-16068-00, Wossner 8160DA, NX-40009.

Specifications
SKU
56-W845.A.NT
Brand
Namura Technologies
Availability
Out of Stock

Fitments (24)

MakeModelYear
FANTICXE 1252021
FANTICXE 1252022
FANTICXX 1252021
YAMAHAYZ 1252004
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
YAMAHAYZ 1252020
YAMAHAYZ 1252021
YAMAHAYZ 125X2020
YAMAHAYZ 125X2021
YAMAHAYZ 125X2022
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.00mm
Variant Id
258013
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Piston Kit A

Enhance your motorcycle's performance and longevity with this high-performance Namura Piston Kit. Engineered in the USA and manufactured in Taiwan, this piston assembly features a 54mm bore for a precise fit.

Key Features:

  • Material: Constructed from high-silicon content hypereutectic cast aluminum, designed for reduced heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing.
  • Piston Crown: Features a machined, smooth piston crown to minimize carbon buildup, leading to increased horsepower and improved fuel economy.
  • Hard Anodized Crowns: Offers 75% greater strength than non-anodized crowns, providing minimal expansion and reducing the risk of cold seizures when paired with Teflon/Molybdenum coated skirts.
  • Coated Skirts: MOS2 (Teflon/Molybdenum) coated skirts ensure peak performance by reducing friction and heat, contributing to added power and extended longevity.
  • Ring Design: Namura rings are designed to match OEM specifications.

This Namura Piston Kit is a direct replacement designed to meet or exceed original equipment standards for optimal performance and durability.

Before you buy

QUESTIONS? JUST ASK

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

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

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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Out of stock