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Hayabusa Wiring Harness & Management System
For use on '99 - '07 engine using both standard & SBD throttle bodies and '08 onwards engine when using SBD throttle bodies.


We have made improvements to our specially designed Hayabusa harness, we have now built the injectors into the main harness itself instead of having a separate sub-harness. This means that if you are using our throttle bodies, they will simply plug straight into the new harness design. This has helped to reduce the cost when buying both parts. If you intend on fixing it to a completely standard '99 to '07 engine, you have a few options; we can supply male mini-timer connectors which you can then connect to your original injector connectors to allow you plug in to the injectors. This means that if you update your system to either higher flow injectors or our throttle bodies you can simply unplug the adaptors and the harness will plug straight in.

The fuel pump supply has now been moved into the interface the same as all our other harnesses.

The harness can be upgraded to include launch & gear change (LM9A4-GSXR-UG-OMS).

If your engine is a pre 2002 you will need to have the generator rotor modified.

If you wish to use the standard 8-injector throttle bodies on your '08 on Hayabusa engine, please see our 8-injector harness.

LM9A4-GSXR-OMS-2 Hayabusa wiring harness
The relays have been designed to use a standard type relay available from any motor factor, in the picture shown you will see that they have individual terminals. These are used to prevent issues that could occur with vibration when relay bases were used. Each individual connector is self locking & the sleeve has to be pulled back on each wire to release it from the relay, this makes perfect vibration proof connection. Each wire is colour coded & you will receive a simple diagram with the harness to show the colours.
Cam Sensor

We have also changed the cam sensor connector so it will fit directly to the 2008 hall effect sensor on the later engines. With the latest MBE9A4 software, it is now capable of running both the inductive and hall effect sensors and even without the sensor at all. (You could also update to the GT1 hall effect sensor and fit this to the early engine).


Cam Sensor & mounting bracket kit.

The cam sensor (CM-BUSA-SENSOR-02) and mounting bracket (CM-BUSA-SENSOR-MNT-02) are available as separate parts.

CM-BUSA-SENSOR-02K  Cam sensor & mounting bracket CM-BUSA-SENSOR-02K-on-display-engine

View information on the MBE 9A4 ECU

Download the instruction sheet for installation

SBD Taper Throttle Bodies



Helmet Bleeper to signify gear change & low oil pressure with 1/4" jackplug & special bleeper harness to connect to car's main wiring harness. 1.5m length. For use with MBE9A4 ECU.

LM-BLEEPER-KIT-02 - 3pin interface, please check your harness

LM-BLEEPER-KIT-03 - 4pin interface, please check your harness

These items are available separately

LM-BLEEPER-KIT-02 Helmet bleeper kit

MBE995 shown here with the additional wiring harness required to connect it to your car's main harness.

Instruction Sheet for connecting to car main wiring harness*

Connectors at bottom of picture plug into the car's main harness, see above

LM-LAUNCH-UG-03 Launch upgrade for MBE9A4 & 9A8


Launch upgrade for MBE9A4/9A8 with 8 Position dial (1-7 launch setting & 8 is off) & launch button. Needs clutch switch CLT SWT. Suitable for Vauxhall, Duratec & Hayabusa engines.

Fitting Instructions for LM-LAUNCH-UG-03

Lynx XE are now running our system on their Lynx AE LR1, 2 seat Leman inspired GT car, with 1300cc Suzuki hayabusa. To see more details, view
It runs in the 750MC Bike sports championship.
Lynx AE LR1, 2 seat Leman inspired GT car
Many OMS cars are using this wiring harness & management system
James Blackmore at Gurston Down
Hayabusa Kits & Components List

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