This ceramic cylinder and piston kit is a standard-bore replacement engine top-end kit for Honda CRF250R and CRF250X motorcycles. It is intended to replace the original cylinder and piston assembly using standard mounting locations and OEM-style dimensions. The kit does not include gaskets and contains 1 cylinder, 1 piston, piston rings, 1 piston pin and 2 circlips.

Features

• Direct OEM-style replacement


• Standard bore cylinder and piston assembly


• Designed for stock mounting locations


• Manufactured to OEM specifications


• Matches the original equipment in appearance


• Suitable for replacing worn or damaged top-end components


• Made to meet or exceed OEM quality standards


• Intended to handle increased engine power loads


• Professional installation recommended if fitting is uncertain


• Product image should be checked before ordering to avoid incorrect selection

Specifications

• Material: Cast aluminium


• Bore type: Standard bore


• Bore size: 78.00 mm


• Actual displacement: 249 cc


• Gaskets included: No

Cross-Reference OEM Part Numbers

• Honda 12100-KRN-672


• Honda 12100-KRN-730


• Honda 12100-KRN-731


• Honda 12100-KRN-732


• Honda 12100-KRN-670


• Honda 13011-KRN-670


• Honda 13011-KRN-850


• Piston 13101-KRN-670


• Honda 13111-KRN-670


• Honda 13111-KRN-850

Vehicle Fitments

• Honda CRF250R, 2004-2009


• Honda CRF250X, 2004-2017