MOTOJOY Yamaha YZ 450F Big Bore Cylinder Barrel Jug Block 98mm 478cc YZ450F 2003-2005

‘Motojoy’ 98mm Big Bore 478cc Cylinder – Yamaha YZ 450F (2003-2005)

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 Yamaha OEM Part: 5TA-11311-12

•  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!