JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

COVID-19 Update: Orders placed after 10:00am PT on operational days will be processed the next day. Phone service has been suspended. Use our Contact Us page. Shippers are experiencing delivery delays.


  • Brand:Athena
  • Model:68-4730

Price : $848.95 $806.50

Quantity:
CRF250R\'04-09 - Athena 280cc Big Bore Kit

Athena 280cc Big Bore Kit

  • Includes nickel carbine coated cylinder
  • Cylinder with wider water jackets keeps this big bore cool
  • Complete piston kit
  • Top end gaskets
  • A full line of replacement parts are available
  • 13:1 Compression
  • 82mm piston
"There's no replacement for displacement"

Yes I have had the big bore kit for a couple of months and I love the power bit the ...

Rated by john