Insert Yamaha YZ125 2022 -2026 / Fantic XX125 2022 – 2026 (11.60cc)
Optional VHM high-volume insert for enhanced top-end performance on YZ125 and XX125 engines
The VHM 11.60cc insert is an optional high-volume insert developed to improve overrevolution and increase top speed on Yamaha YZ125 and Fantic XX125 engines from 2022 to 2026. Ideal for fast, hard terrain where top-end power is prioritized, this insert is precision CNC-machined and designed exclusively for VHM heads. Quick to install and change, it is a reliable upgrade for racing applications focused on extended high RPM performance.
$58.99
Product Description
This VHM 11.60cc insert is engineered for riders of Yamaha YZ125 and Fantic XX125 models (2022–2026) who demand maximum overrevolution and top speed. With a higher volume and lower compression ratio compared to standard inserts, it ensures smoother operation at high RPMs, making it ideal for hardpack tracks and fast race conditions.
The combustion chamber is designed to perfectly match the VHM cylinder head and offers quick adjustability thanks to its modular construction. Each insert is engraved with its specific code for immediate identification.
Use in combination with VHM head AA33203.
This insert does not fit OEM heads.
When using a VHM head in combination with VHM CDI (CD020422), refer to the dedicated insert chart for optimal setup.
Key Features
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Better overrevolution and high-RPM performance
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Top-speed oriented design, ideal for hard and fast terrain
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Quick and easy installation
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Engraved part number for easy identification
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CNC precision-machined
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Not compatible with OEM head – VHM head required
Technical Specifications
- Type: Optional
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Volume [cc]: 11.60
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Piston height [mm]: -0.10
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Squish [mm]: 1.00
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Piston crown shape: Flat top 12°
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Bore: Ø54
| Make | Model | Year |
|---|---|---|
| FANTIC MOTOR | XE 125 | 2022 - 2026 |
| FANTIC MOTOR | XX 125 | 2022 - 2026 |
| YAMAHA | YZ 125 | 2022 - 2026 |
