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Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco Racers Elite Yamaha YZ125 05-20 2126CS Piston Kit
SKU: W00C RE905M05400
Advanced — 4+ hours
Overview
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Part #: RE905M05400
Wiseco's Racer Elite series forged 2-stroke pistons deliver industry-first 2-stroke piston design and technology to perform in even the most serious racing conditions. These are the first 2-stroke pistons to be forged from 2000 series alloy, providing even greater tensile strength. ArmorPlating surface treatment on the crown, in the ring groove(s), and in the pin bores protects from harmful operating conditions, while Wiseco's proprietary ArmorFit skirt coating conforms to the cylinder bore for optimized fitment and performance. For the serious 2-stroke rider and racer, Racer Elite is the only choice.
Features:
- Designed for full-race 2-stroke applications
- Engineered, forged, and machined in the USA in Mentor, OH
- First 2-stroke piston to be forged with 2000-series alloy, providing greater tensile strength
- ArmorPlating surface treatment on crown, in ring groove and pin bores protext from harmful detonation, friction wear, and ring micro-welding
- ArmorFit skirt coating conforms to the cylinder bore for optimized fitment, translating to optimized performance
- High-quality ring(s), wrist pin(s), and circlips included
Wiseco 2 Stroke Racer Elite Piston Kit, 54.00 mm Bore
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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Specifications
| Brand | Wiseco |
| Part Number | W00C RE905M05400 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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