Yamaha YZ 80 Big Bore Cylinder Barrel Bore Jug Block 47.5mm Nikasil YZ80 1993-2001

47.5mm Big Bore Cylinder – Yamaha YZ 80 (1993-2001)

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 two-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: 4ES-11311-30 + 4GT-11311-10 + 4GT-11311-00

•  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!