Sale

Engines and Components Pistons and Piston Rings

Wiseco

Wiseco 4 Stroke Forged Series Piston Kit, 96.50 MM Bore, 12.5:1 CR

$299.95 $270.53 Save $29.42

SKU: W00C 4693M09650

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

Moderate — 2–4 hours

Description

A premium upgrade designed specifically for 2000 to 2002 Yamaha YZ426F models. This high-performance piston kit is engineered to enhance engine output, delivering improved responsiveness and power. Built from the Forged Series, it ensures superior strength and longevity. Constructed using high-grade forged materials, it stands up to aggressive riding conditions. The kit includes everything needed for seamless installation: a wrist pin, rings, and circlips.

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 4693M09650

Videos

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