Compatible 2002 - 2021 for Yamaha models: YZF R1 / YZF R6 FZ6N / FZ6S XJ6 T-MAX X-MAX V-MAX MT03, MT07, MT09, MT10 MAJESTY 400 XSR700 XSR900 This new version features a redesigned unit with the following improvements: Mechelectrics Custom Firmware - Allows compatibility with a wide range of models Reduced Power Consumption - Lower current draw from battery in standby mode Higher Rated Capacitors - Improved reliability and durability compared to older designs Dual Layered PCB - Enhanced resistance to corrosion in damp or wet conditions Compact Design - Neat installation with no excess wiring 30% Smaller PCB - Reduced size and weight compared to previous versions Water Resistant Casing - Sealed unit prevents water ingress This device is intended for the following purposes: - Engine swaps where the original immobilizer unit is not compatible with the engine ECU - Replacement of damaged immobilizer units due to theft or recovery - Avoiding the need for costly immobilizer/ECU replacements from authorized dealers - Use in project bikes with Yamaha engine/ECU setups that do not include an immobilizer (meets track day safety requirements) - Diagnostic use by eliminating the immobilizer as a potential cause of starting issues The 6-wire version offers maximum compatibility by utilizing the full manufacturer wiring schematic, maintaining immobilizer dashboard LED functionality where applicable (varies by model). Custom firmware is programmed in-house to ensure broad compatibility across listed Yamaha models. If this unit is not compatible with your listed Yamaha model, it may be returned for a full refund. Fitting Instructions: 1) Trace the wiring from the key barrel transponder to the ECU (typically located under the fuel tank or near the headlight) 2) Disconnect the original immobilizer and connect the plug-and-play emulator 3) The vehicle can now be started without a transponder key