
It lets you adjust the air-fuel ratio independently of the manufacturer’s settings by changing how long the injectors remain open during the intake phase.
Production motorcycles often have limits and standardized settings designed to provide the best possible balance of engine performance across a wide range of environmental and geographical conditions.
However, performance can be improved by adapting the settings to local air pressure and temperature—for example, at sea level or in the mountains, two very different environments.
An add-on module like this becomes particularly important when fitting a racing exhaust and air filter, which require tailored fueling settings to ensure optimum performance.
Programming the control unit from your PC via a USB connection is simple and intuitive. Instead of the traditional table of numerical values found in other programmable control units currently on the market, programming Jetprime simply involves creating a 2D fueling graph.
With its plug-and-play system, Jetprime connects to the injectors, the IAT sensor, and an ignition-switched 12 V power supply to prevent battery drain when the motorcycle is switched off.
The choice to use the IAT sensor is strategic, as it allows ignition timing adjustments without the risk of engine damage caused by accidentally setting the calibration too high.
Using the supplied software, once you have synchronized the engine RPM reading, you can create your own custom fuel map simply by using the arrow keys on your keyboard.
This new range of add-on control units for motorcycles with one to four cylinders was developed through track experience, which allowed us to test and refine the features we wanted: high performance at a competitive price, worthy of the motorcycles on which these units are fitted.
Racers, road riders, and scooter riders can all find the control unit best suited to their needs. It is easy to configure via PC, easy to install, and simple to customize.
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Using the appropriate wiring harness, Jetprime is installed downstream of the standard control unit and before the throttle body.