Engines and Components› Pistons and Piston Rings
JE Pistons
JE Pistons Yamaha YZ 426F DISH Piston Kit
SKU: J001 175001
Advanced — 4+ hours
Description
Part #: 175001
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for dirt bike and other off-road motorcycle engines. Engineered, forged and machined 100 percent in the USA, JE Pistons are designed for each specific engine and riding application to provide the ultimate combination of durability and performance. From the motocross track to the trail and everything in between, JE Pistons' performance is proven with every handful of throttle and wave of the checkered flag. Equip your bike with the best in forged pistons.
Features:
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
JE, Yamaha, YZ426 / WR426F, 13.50:1, 97.00 mm Bore, 1 Cyl. Piston Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
The FSR forging design enhances strength, and all dome or dish features have smooth radii for easy installation. This kit includes the piston, ring set, pin, and clips.
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 | JE Pistons |
| Part Number | J001 175001 |
Videos
Introducing the Strongest Pistons in Powersports | JE Ultra Series
How to identify your JE Pistons
Piston Coatings 101: Which is the Right One for You?
Cast vs. Forged Pistons: Which One is Best for Your Engine?
JE Pistons Asymmetrical Design Overview
How to Measure Piston to Wall Clearance on a JE Perfect Skirt Piston
Wiseco Piston Benefits | Benefits of Forged Pistons | Forged vs Cast Pistons | Partzilla.com
The LIGHTEST Pistons EVER: Introducing Hollow Crown
JE Ultra Series: Feature-Rich, Power-Ready Pistons off the Shelf
FORGED VS CAST PISTONS AND PISTON COATINGS EXPLAINED!
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