VHM head insert for Yamaha YZ 125 and Fantic XX 125 (2022-2026), 11.20cc

The VHM AE32327-E is a combustion chamber insert designed for use with VHM cylinder heads, offering optimized engine performance and proper operation in racing conditions.

This specific version is VHM's standard setup for balanced performance and is used mainly in hard/medium terrain conditions, offering good throttle response and overall improved operation of the 2-stroke engine.

Features:

• Volume: 11.20cc

• Squish: 1.00 mm

• Piston height: -0.10 mm

• CNC machined combustion chamber

• Quick change system for easy setup adjustment

• Designed for VHM cylinder heads (does not fit OEM heads)

Compatibility:

• Yamaha YZ125 (2022+)

• Fantic XX125 / XE125 (2022+)

• Use with VHM cylinder head AA33203