Skip to content
Skip to product information
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore for 250cc engine, detailed metal finish.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore for 250cc engine, shown from side view.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm diameter for 250cc motocross bikes.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm piston for 250cc engine, showcasing the cylinder and piston assembly.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore, showcasing the high-performance 250cc engine component.
Cylinder Works 21-23 Gas-Gas EX 250F Big Bore Cylinder Kit with 81mm bore for 250cc engine, showcasing the aluminum cylinder.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore for 250cc engine, detailed metal finish.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore for 250cc engine, shown from side view.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm diameter for 250cc motocross bikes.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm piston for 250cc engine, showcasing the cylinder and piston assembly.
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore, showcasing the high-performance 250cc engine component.
Cylinder Works 21-23 Gas-Gas EX 250F Big Bore Cylinder Kit with 81mm bore for 250cc engine, showcasing the aluminum cylinder.
Description
OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.

This Part Fits:

Year Make Model Submodel
2016-2022 KTM 250 SX-F Base
2016-2022 KTM 250 XC-F Base

Cylinder Works 21-23 Gas-Gas EX 250 F 250cc Big Bore Cylinder 81mm

Sale price $494.48
Regular price $633.95You saved$139.47 OFF

Shipping calculated at checkout

Specifications
Description
OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.

This Part Fits:

Year Make Model Submodel
2016-2022 KTM 250 SX-F Base
2016-2022 KTM 250 XC-F Base
Cylinder Works 21-23 Gas-Gas EX 250F big bore cylinder kit with 81mm bore for 250cc engine, detailed metal finish.
Cylinder Works 21-23 Gas-Gas EX 250 F 250cc Big Bore Cylinder 81mm
Sale price $494.48
Regular price $633.95You saved$139.47 OFF

Get In Touch

Copyright© 2026 Street Driven Performance Powered by Shopify

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • USDC
  • Visa
Drawer Title

This website uses cookies to ensure you get the best experience on our website.

Similar Products