PISTON KIT 92-98 YZ250 68.00 A, NAMURA NX-40026 YAMAHA MX
PISTON KIT 92-98 YZ250 68.00 A, NAMURA NX-40026. Piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips. Direct replacement for OEM piston with no modifications or dimensional adjustments needed. Features MOS2 coating and hard anodizing for higher performance. Available in a variety of oversizes in 0.25mm increments, from -1 (0.25mm over) through -6 (1.5mm over). Also available in B (0.01mm) and C (0.02mm) sizes. Big bore kits also available. Part number 56-W677.A.NT. Manufacturer Namura Technologies. Weight 358 grams.
- SKU
- 56-W677.A.NT
- Brand
- Namura Technologies
- Availability
- In Stock (2)
FULL DESCRIPTION
Namura NX-40026 A Piston Kit for Yamaha YZ250/WR250
This Namura piston kit is a direct replacement for your Yamaha YZ250 or WR250. Designed for optimal performance and longevity, these kits are engineered to fit without the need for modifications.
Each Namura piston kit includes:
- Individually wrapped piston
- OEM quality piston rings, packaged separately
- Wrist pin
- Circlips
Namura pistons feature a MOS2 coating and hard anodizing, enhancing performance and durability without a premium price tag. This kit is for the standard bore size (A).
Namura offers a range of oversized pistons in 0.25mm increments, from -1 (0.25mm over) to -6 (1.5mm over) for most applications. They also offer B (0.01mm) and C (0.02mm) pistons designed to extend the life of Nikasil, Boron Composite, or Ceramic cylinders, providing a cost-effective alternative to cylinder replacement.
Key Features:
- Direct OEM replacement
- MOS2 coating for enhanced performance
- Hard anodizing for increased durability
- Includes all necessary components for installation
- Available in various oversizes and specific bore sizes


