GP Control® is a flexible, comprehensive, fully programmable engine management system for high-performance motorcycles and recreational vehicles. The system supports 4-stroke and 2-stroke engines with from 1 to 4 cylinders. GP Control manages ignition, fuel injection, electronic power valves, power jets, quick shifting, idle air control valves, cooling fans and dash clusters. The system features three map sets that the rider can switch between at will. In addition, OPTIMUM has patents pending on its unique real-time Rider Trim facility, which enables the rider to trim predefined areas of the currently active map and perform instantaneous comparisons between the base and trimmed maps. GP Control can be calibrated with a conventional PC or with a Pocket/PC and provides users with the ability to download new maps via the worldwide web.

Calibrated fuel injection kits are currently available for KTM450 and Yamaha YZ250, YZ426 and YZ450 machines.