Cylinder Works Big Bore Kit Crf250R '10-11 - 11007-K01

Cylinder Works Big Bore Kit Crf250R '10-11 - 11007-K01

SKU: WPS-422-11007K MPN: 11007-K01
EARN 2,853 Addicted Rewards
Free Shipping No Cost Returns
More Colors
Only 3 Left! Ships FREE Same or Next Day
Adding to cart… The item has been added
Talk to a Speed Addict

Please contact us if you have any questions.

1-866-573-2820 Call Live Chat Email Us

You May Also Like

You May Also Like

  • Description
  • Specifications

Not CARB Approved, does not ship to California

  • Complete standard bore kits
  • Complete standard bore high compression kits
  • Complete Big Bore Kits
  • Includes cylinder, piston kit and gaskets
  • Top end gasket kit does not include valve stem seals
  • Matched with vertex pistons to ensure longevity, performance and reduce engine noise
  • Replacement piston, gaskets, and ring sets available
  • Cylinder looks just like stock
  • Nickel silicon carbide plated for longer life
  • No machine work needed *
  • Replacement cylinder for standard bore only



*Honda CRF250R and CRF250X require slight case modification. Kit comes with instructions.

Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)

+Yamaha YZ85 cylinder head modification required.

# Yamaha YZ85 cylinder head modification required, AND +2mm strocker crank required.

PROP 65 WARNING: Cancer and/or reproductive harm -

SKU WPS-422-11007K
MPN 11007-K01
Type Rebuild Kits
Rebuild Kits
Free Shipping
Addicted Rewards
Cylinder Works
Low Stock Threshold
Fast and Free Shipping on Orders Over $50
  • Ships fast from your nearest Speed Addicts Fulfillment Center
  • Carefully packaged and guaranteed to arrive in excellent condition
  • Tracking number and delivery notification provided via email
  • Free shipping offer valid for continental US and for orders over $150 to Canada
  • If outside of the lower 48 states please add item to cart for shipping quote