PISTON KIT 05-21 YZ125 54.00, WISECO RE905M05400 YAMAHA, Racers Elite ArmorFit
Wiseco Racer Elite 2-Stroke Series Piston Kit RE905M05400 is engineered for high-performance applications, delivering strength, reliability, and maximum power output. Built from 2000 Series alloy and enhanced with proprietary coatings, this piston is designed for extreme conditions and optimised for both durability and performance. It features a dedicated forging for strength and reduced weight, along with ArmorPlating™ and ArmorFit™ coatings for superior fit and detonation protection. Features include: constructed from high-strength 2000 Series alloy for extreme durability; ArmorPlating™ coating enhances detonation resistance and ring sealing; ArmorFit™ skirt coating ensures conformability and perfect cylinder fit; dedicated forging improves strength while reducing weight; premium rings designed for high sealing performance; superfinished piston pin minimises friction and enhances operation; complete kit includes piston, rings, wrist pin, and circlips; ceramic composite cylinders require sleeving or replating for oversizes; designed based on over 75 years of performance innovation. Specifications: Piston Diameter: 54.00 mm, Skirt Coating: ArmorFit, Part No.: 56-W845.WIE, Piston Kit Model: RE905M05400. Cross-Reference OEM Part 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.
- SKU
- 56-W845.WIE
- Brand
- Wiseco
- Availability
- In Stock (1)
FULL DESCRIPTION
Wiseco Racer Elite 2-Stroke Series Piston Kit
The Wiseco Racer Elite 2-Stroke Series Piston Kit RE905M05400 is engineered for high-performance applications, delivering strength, reliability, and maximum power output. Built from 2000 Series alloy and enhanced with proprietary coatings, this piston is designed for extreme conditions and optimized for both durability and performance. It features a dedicated forging for strength and reduced weight, along with ArmorPlating™ and ArmorFit™ coatings for superior fit and detonation protection.
Key Features:
- Constructed from high-strength 2000 Series alloy for extreme durability.
- ArmorPlating™ coating enhances detonation resistance and ring sealing.
- ArmorFit™ skirt coating ensures conformability and perfect cylinder fit.
- Dedicated forging improves strength while reducing weight.
- Premium rings designed for high sealing performance.
- Superfinished piston pin minimizes friction and enhances operation.
- Complete kit includes piston, rings, wrist pin, and circlips.
- Designed based on over 75 years of performance innovation.
Specifications:
- Piston Diameter: 54.00 mm
- Skirt Coating: ArmorFit
- Piston Kit Model: RE905M05400
Note: Ceramic composite cylinders require sleeving or replating for oversizes.


