In warehouse stock
Athena Piston Kit with Gaskets — 66.34 mm — Yamaha
- Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance
- The smooth profile ensures a regular flow and the perfect flame propagation
- The piston for 2-stroke Off-Road are produced by numerical control (CNC) machines
- Made of special high performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston
- Piston rings guarantee high seal to the cylinder walls with less friction and therefore a higher performance
$220.95
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features7 features
- Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance
- The smooth profile ensures a regular flow and the perfect flame propagation
- The piston for 2-stroke Off-Road are produced by numerical control (CNC) machines
- Made of special high performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston
- Piston rings guarantee high seal to the cylinder walls with less friction and therefore a higher performance
- The gasket kit is produced following the strict parameters set by the manufacturers
- The gasket is made from raw materials and performs surface treatments to compensate for surface irregularities and follows material stress relieving process to improve sealing in the most critical areas
Specifications13 specs
- Compression Ratio
- Standard
- Units
- Kit
- Piston Material
- Aluminum Alloy, Forged
- Displacement
- 250 cc
- Type
- Top End
- Piston Head Shape
- Domed
- Bore Size
- 66.34 mm
- Engine Type
- 2-Stroke
- Model
- A
- Riding Style
- Off-Road
- Shipping weight
- 1.3 lb
- Package size
- 9 × 7.3 × 5 in
- Country of origin
- USA
Fitment4 models · Yamaha
Yamaha4 models
- YZ 250 Monster Energy Racing2024
- YZ2501999–2025
- YZ250 Monster Energy Yamaha Racing Edition2022–2023, 2025
- YZ250X2016–2025
Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
- Salto part #
- 0903-1784
- Athena part #
- P4F0664267019A
- UPC
- 8053300717392
Shipping
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
Questions4 answers
- Is it in stock?
- Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
- Is this genuine Athena?
- Yes. It ships new from the same distributors the big online stores buy from — Athena part #P4F0664267019A.
