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











