Gaskets and Seals› Engine Gaskets and Seals
Athena
Athena 19-23 Yamaha YZ 250 F 76.95mm Bore Forged 4-Stroke Top End Piston Kit w/Top End Gasket
SKU: A0EF P5F0770212009A
Moderate — 2–4 hours
Description
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 | Athena |
| Part Number | A0EF P5F0770212009A |
Videos
NEW PRODUCT Athena Top End Piston Kit - 2T 4T 🆕
Top End Piston Kit: all you need in one kit! 🔥
Part 1: Installing Athena 290 Big Bore Kit- Yamaha WR/ YZ 250
2012 yz250f with 290 big bore kit
BEST EXHAUST FOR YOUR YAMAHA YZ250F?
How to build a Vet Rider's Dream YZ250F ($28,000+)
First Ride on 2025 Yamaha YZ250F
2025 Yamaha YZ250F First Ride Review - Cycle News
This Is Why You DON'T Buy a Yamaha YZ250F Dirt Bike
Building my own Star Yamaha YZ250F Dream Bike 😩
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