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Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Athena

Athena A Piston Kit - P4F0664267019A Yamaha YZ 250 1999-2025

MPN: P4F0664267019A SKU: 0903-1784
Athena

Athena A Piston Kit - P4F0664267019A Yamaha YZ 250 1999-2025

MPN: P4F0664267019A SKU: 0903-1784
Availability:
Only 2 left!
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 Specs Piston Material Aluminum Alloy Compression Ratio Standard Units Kit Piston Material Forged Bore Size 66.34 mm Engine Type 2-Stroke Model A Displacement 250 cc Product Name Piston Kit Type Top End Piston Head Shape Domed Riding Style Off-Road 1999-2025 Yamaha YZ 250 2016-2025 Yamaha YZ 250 X 2022-2023,2025 Yamaha YZ250 Monster Energy Yamaha Racing Edition 2024 Yamaha YZ 250 Monster Energy Racing Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Original price $209.95 - Original price $209.95
Original price
$209.95
$209.95 - $209.95
Current price $209.95

Product Details

Product Description

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

Specs

Piston Material Aluminum Alloy
Compression Ratio Standard
Units Kit
Piston Material Forged
Bore Size 66.34 mm
Engine Type 2-Stroke
Model A
Displacement 250 cc
Product Name Piston Kit
Type Top End
Piston Head Shape Domed
Riding Style Off-Road

1999-2025 Yamaha YZ 250
2016-2025 Yamaha YZ 250 X
2022-2023,2025 Yamaha YZ250 Monster Energy Yamaha Racing Edition
2024 Yamaha YZ 250 Monster Energy Racing

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Part Numbers
Store SKU MFR. Product # Availability
0903-1784 P4F0664267019A In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.