Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco Yamaha YZ125 05-20 GP Series(846M05800) Piston
SKU: W00C PK1392
Advanced — 4+ hours
Description
The piston is made from 4032 Aluminum Alloy and includes an Electra-Coated crown, ring groove(s), and pin bores, along with an ArmorGlide® skirt coating for maximum wear resistance. The kit comes complete with the piston, ring set, wrist pin, circlips, bearing, and gaskets. Crankcase clearance is required.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
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 PK1392 |
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
YZ125 Top End / Piston Change Made Simple (Step-by-Step Guide)
2.9 Horsepower from a Powersports Piston? Wiseco's new 450 Offerings
Yamaha 701 62t / 61x aftermarket piston comparison
2T piston comparison
Yz85 niche cylinder review 👎😱🤦🏾♂️#yz85 #yz125 #yamaha #dirtbikes
Yamaha yz125 restyle!!
Wiseco Dirt Bike & ATV Crankshaft Testing
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.
View Full Return Policy