Exterior Components› Body Panels and Components
Wiseco
Wiseco 2022 Yamaha YZ125 58mm Bore GP Series Piston Kit
SKU: W00C 900M05800
Moderate — 2–4 hours
Description
Part #: 900M05800
Wiseco's legacy is rooted in 2-stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2-stroke pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design to deliver the performance Wiseco built its name on.
Features:
- Designed for all-purpose 2-stroke riding
- Engineered, forged, and machined in the USA in Mentor, OH
- Great value for reliable fun factor
- Refreshed performance from the track to the trail
- Dedicated forging design for strength-to-weight optimization
- Extra lightening operations for enhanced throttle response
- High-quality ring(s), wrist pin(s), and circlips included
Wiseco 2022 Yamaha YZ125 GP Series 2284CS
MIA's Description
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wiseco |
| Part Number | W00C 900M05800 |
Videos
THE 2-Stroke Piston Kit: Wiseco Racer Elite
$120 Yz125 Wiseco Rebuild Kit - Will It Run ??
How we Developed a New YZ125 2-Stroke Piston | 🔬 Tech Trials
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Wiseco Crankshaft Kit features and benefits video
Wiseco Dirt Bike & ATV Crankshaft Testing
Wiseco Performance Products Clutch Basket features and benefits video
Introducing Wiseco Garage Buddy Complete Engine Rebuild Kits
Is this cheap top end kit as good as a Wiseco??? Project Ranger 500 Part 3
Wiseco racers choice piston overview 2 stroke gp
Buy with Confidence
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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