Honda CRF 250R Big Bore Cylinder Barrel Jug Block 81mm Nikasil CRF250R 2004-2009

81mm Big Bore Cylinder – Honda CRF 250R (2004-2009)

Restore peak engine performance with the Motojoy’s Cylinder Barrel. Featuring a high quality bore with Nikasil coating, this cylinder jug offers excellent wear resistance, reduced friction, and efficient heat dissipation for high-revving four-stroke engines.

Manufactured by Motojoy to OEM specifications, this cylinder block ensures accurate piston fitment, consistent compression, and smooth, reliable power delivery. It is an ideal solution for top-end rebuilds, race preparation, or replacing worn or damaged cylinders.

Key Features:

• Direct replacement for Honda OEM Part: 12100-KRN-732

•  Nikasil coated bore

• Manufactured by Motojoy

• OEM-spec design for precise fitment

• Improved heat control and long service life

• Direct replacement for easy installation

A dependable and cost-effective option for riders seeking durability, performance and confidence!