GET SX1 Pro ECU Control Unit for FANTIC XXF 450 2025

The GET SX1 Pro GK-SX1PRO4T-0031 ECU control unit is designed for FANTIC XXF 450 2025. The ECU runs the fuel injection and the ignition: on every revolution it works out how much fuel to inject and when to fire the spark. A racing ECU replaces the stock unit to give you more effective maps and race functions such as traction control or launch control.

Key features

• CAN-bus communication with the bike.
• GPA traction control with 10 levels, and two preloaded maps.

Specifications

• Brand: GET
• Manufacturer part number: GK-SX1PRO4T-0031
• EAN code: 8056216242729
• ECU only (no accessories)
• Engine: 4-stroke

When do you need it?

• Riders who want to match the power to the terrain: mud, sand, hard-pack.
• Tuned engine (exhaust, intake) that needs a suitable map.
• Racing: maps you can switch on the move, traction control, launch assist.

The ECU is specific to each model and its model years: check the compatibility listed. What's included (map switch, wireless module, handlebar controller, second injector kit) is detailed in the specifications. These units are designed for competition: on a road-registered bike, check the regulations before riding on the road.

Fitting tips

1. Ignition off; disconnect the battery if the bike has one.
2. Remove the stock ECU and connect the new one following the manufacturer's instructions for your model.
3. Fit the supplied accessories (handlebar switch, wireless module), routing the cables away from hot and moving parts.
4. Start the engine, check that each map works, and keep the stock ECU in case you want to go back to it.

Why GET?

The engine-electronics specialist within the Athena group, GET designs racing ECUs, map switches and wireless tuning modules. The brand supplies factory teams in MXGP as well as in the United States.

Spare parts and items to plan

• Spark plug : see the selection

Frequently asked questions

Do I need to modify the wiring harness?
Units of this type normally plug into the original connector. Follow the manufacturer's instructions: they explain the fitting for your model.

Can I go back to the stock ECU?
Yes: keep it, you just plug it back in.

What is GPA?
It's the traction control on GET ECUs: it limits rear-wheel spin when you get back on the throttle, with several adjustment levels.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
FANTIC XXF 450 2025