Sale

Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Yamaha YZ125 86-88 ProLite 2284CS Piston Kit

$189.95 $176.82 Save $13.13

SKU: W00C 559M05800

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Wiseco 559M05800 is a 2-stroke Pro-Lite piston kit designed for the Yamaha YZ125. It features a 58.00 mm bore and a 57.95 mm piston diameter, with an oversize of 2.00 mm.

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

BrandWiseco
Part NumberW00C 559M05800

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