At Outboard EFI we specialize in optimizing the calibration in your EFI computer which is called an ECU (Engine Control Unit). We currently do Yamaha and Suzuki Outboards, Honda is coming soon. Outboard manufactures do only make a few engines then detune the larger HP models to create lower HP models. We simply make them run like a well tuned higher HP model. The Process is simple we can either bench flash your ECU or we have a flash cable for retail and dealers so they can do their own bench fl