MOTOJOY Yamaha YZ 125 Cylinder Head YZ125 2005-2021

‘Motojoy’ Cylinder Head – Yamaha YZ125 (2005–2021)

Upgrade or replace your factory cylinder head with the Motojoy Cylinder Head, designed specifically for the Yamaha YZ125 models from 2005 to 2021. Manufactured by Motojoy using high-quality materials, this cylinder head delivers reliable performance, improved heat dissipation, and a precise fitment.

Built to meet or exceed OEM specifications, the Motojoy YZ125 cylinder head helps maintain consistent compression and efficient combustion, making it ideal for motocross riders, racers, and rebuilds. Whether you’re restoring engine performance or completing a top-end rebuild, this cylinder head offers durability and confidence on the track.

Key Features:

• Direct replacement for Yamaha OEM Parts: 1C3-11111-01, 1C3-11111-10 & 1C3-11111-11

• Manufactured by Motojoy

• High-quality construction for durability and heat control

• OEM-spec fitment for easy installation

• Suitable for performance riding and engine rebuilds

Perfect for riders looking for a dependable YZ125 cylinder head upgrade without compromising quality or fitment.