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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
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 Cylinder Kit - P400485100042 Yamaha YZ 250 2003-2025

MPN: P400485100042 SKU: 0931-0440
Athena

Athena Cylinder Kit - P400485100042 Yamaha YZ 250 2003-2025

MPN: P400485100042 SKU: 0931-0440
Availability:
Only 1 left!
Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome Specially designed, high performance, hard anodized power valves (cannot use OEM) Kit also includes Athena top end gasket set with required seals and hardware Piston kit includes a forged race piston, rings, clips and pin Specs Product Name Cylinder Kit Style Big Bore Units Kit Displacement 293 cc Material Aluminum Riding Style Off-Road Engine Type 2-Stroke Bore Size 72.00 mm Cylinder Bore Coating Nickel-Carbide
Original price $1,784.95 - Original price $1,784.95
Original price
$1,784.95
$1,784.95 - $1,784.95
Current price $1,784.95

Product Details

Features

  • Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • Kit also includes Athena top end gasket set with required seals and hardware
  • Piston kit includes a forged race piston, rings, clips and pin

Specs

Product Name Cylinder Kit
Style Big Bore
Units Kit
Displacement 293 cc
Material Aluminum
Riding Style Off-Road
Engine Type 2-Stroke
Bore Size 72.00 mm
Cylinder Bore Coating Nickel-Carbide

Product Description

Features

  • Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • Kit also includes Athena top end gasket set with required seals and hardware
  • Piston kit includes a forged race piston, rings, clips and pin

Specs

Product Name Cylinder Kit
Style Big Bore
Units Kit
Displacement 293 cc
Material Aluminum
Riding Style Off-Road
Engine Type 2-Stroke
Bore Size 72.00 mm
Cylinder Bore Coating Nickel-Carbide

Part Numbers
Store SKU MFR. Product # Availability
0931-0440 P400485100042 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.

Features

  • Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • Kit also includes Athena top end gasket set with required seals and hardware
  • Piston kit includes a forged race piston, rings, clips and pin

Specs

Product Name Cylinder Kit
Style Big Bore
Units Kit
Displacement 293 cc
Material Aluminum
Riding Style Off-Road
Engine Type 2-Stroke
Bore Size 72.00 mm
Cylinder Bore Coating Nickel-Carbide