Skip to content
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!
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 - P400485100003 Yamaha YZ 125 1997-2004

MPN: P400485100003 SKU: 400485100003
Athena

Athena Cylinder Kit - P400485100003 Yamaha YZ 125 1997-2004

MPN: P400485100003 SKU: 400485100003
Availability:
7 in stock, ready to be shipped
Aluminum cylinder is nickel carbide coated designed with larger water jackets Specially designed, high performance, hard anodized power valves (cannot use OEM) There is an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted) Kit also includes a Cast-Lite flat top piston kit, and an Athena top-end gasket set that includes required seals and hardware Bolt on; no matching required except where noted Specs Engine Type 2-Stroke Style Stock Bore Material Aluminum Product Name Cylinder Kit Riding Style Off-Road Units Kit Bore Size 54.00 mm Cylinder Bore Coating Nickel-Carbide Displacement 125 cc Part Notes YZ125 '97-'98 models require the use of a '99 or newer exhaust pipe and silencer.
Original price $1,110.95 - Original price $1,110.95
Original price
$1,110.95
$1,110.95 - $1,110.95
Current price $1,110.95

Product Details

Features

  • Aluminum cylinder is nickel carbide coated designed with larger water jackets
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • There is an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted)
  • Kit also includes a Cast-Lite flat top piston kit, and an Athena top-end gasket set that includes required seals and hardware
  • Bolt on; no matching required except where noted

Specs

Engine Type 2-Stroke
Style Stock Bore
Material Aluminum
Product Name Cylinder Kit
Riding Style Off-Road
Units Kit
Bore Size 54.00 mm
Cylinder Bore Coating Nickel-Carbide
Displacement 125 cc

Part Notes

  • YZ125 '97-'98 models require the use of a '99 or newer exhaust pipe and silencer.

Product Description

Features

  • Aluminum cylinder is nickel carbide coated designed with larger water jackets
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • There is an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted)
  • Kit also includes a Cast-Lite flat top piston kit, and an Athena top-end gasket set that includes required seals and hardware
  • Bolt on; no matching required except where noted

Specs

Engine Type 2-Stroke
Style Stock Bore
Material Aluminum
Product Name Cylinder Kit
Riding Style Off-Road
Units Kit
Bore Size 54.00 mm
Cylinder Bore Coating Nickel-Carbide
Displacement 125 cc

Part Notes

  • YZ125 '97-'98 models require the use of a '99 or newer exhaust pipe and silencer.

Part Numbers
Store SKU MFR. Product # Availability
400485100003 P400485100003 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 is nickel carbide coated designed with larger water jackets
  • Specially designed, high performance, hard anodized power valves (cannot use OEM)
  • There is an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted)
  • Kit also includes a Cast-Lite flat top piston kit, and an Athena top-end gasket set that includes required seals and hardware
  • Bolt on; no matching required except where noted

Specs

Engine Type 2-Stroke
Style Stock Bore
Material Aluminum
Product Name Cylinder Kit
Riding Style Off-Road
Units Kit
Bore Size 54.00 mm
Cylinder Bore Coating Nickel-Carbide
Displacement 125 cc

Part Notes

  • YZ125 '97-'98 models require the use of a '99 or newer exhaust pipe and silencer.