VHM CDI Yamaha YZ125 2026

The VHM Detonation Controller CD020426 is an electronic control system designed to protect the engine from detonation (knocking) under high loads and racing conditions. It monitors engine operation and dynamically adjusts ignition timing to reduce the risk of pre-ignition and improve reliability.

Ideal for 2-stroke racing engines with high compression or aftermarket cylinder head setups.

Features:

• Detonation protection system

• Dynamic ignition timing adjustment

• Improved engine safety under extreme conditions

• Racing application design

• Easy integration with VHM setups