Motojoy Yamaha WR 450F Cylinder & Piston Kit Barrel Bore Jug Block Piston Rings 95mm Nikasil WR450F 2003-2006

Motojoy 95mm Nikasil Big Bore Cylinder & Piston Kit – Yamaha WR450F (2003-2005) 

Rebuild your engine with confidence using the Motojoy Cylinder Kit, designed specifically for Yamaha WR 450F models from 2003 to 2006. Making it an ideal solution for full top-end rebuilds on modern engines.

This kit includes:

• Cylinder Barrel (Nikasil Plated)
• Piston & Rings Set (Cast)
• Piston Pin & Circlips
• Gaskets

Featuring a precision bore with a durable Nikasil coating, the cylinder provides excellent wear resistance, reduced friction, and efficient heat dissipation. Manufactured by Motojoy to meet OEM specifications, this kit ensures accurate piston fitment, stable compression, and smooth, reliable power delivery across trail, enduro, and race conditions.

Key Features:

• Direct Replacement for Yamaha OEM Parts: 5TA-11311-12

• Manufactured by Motojoy

• OEM-spec design for precise fitment and easy installation

• Improved heat control, durability, and engine longevity

A dependable and cost-effective Cylinder Kit for riders looking to restore performance, reliability, and confidence in their engine rebuild.