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: CRF's Only is open and shipping. Expect delays from CRF's Only normal shipping time frames. Orders placed after 10am PT will be processed the next day. Store Pickup has been suspended.


  • Brand:Athena
  • Model:P400210100054

Price : $299.99 $284.99

Quantity:
CRF230F\'07-17 - Athena 240CC Big Bore Kit

Athena introduces the big bore cylinder kit for the Honda CRF230F.  This kit increases power by increasing displacement and compression.  The wheel power is increased by 2hp. More progressive acceleration and a higher torque at low revs while maintaining durability and reliability.  Easy to install as it comes with a bolt-on cylinder  No machining required.

  • Kits includes Nikasil plated aluminum cylinder
  • Includes Forged piston, rings, clips and pin (compression ratio of 11.9:1)
  • Athena top-end gasket set includes required seals and hardware
  • Easy-to-follow step-by-step installation instructions