Kawasaki KX450 and KX250 FI Calibration and mapping tool. Tool works for all late model Kawasaki dirt bikes. Some require a different sub-harness. This unit includes the sub-harness for a 21' 450 KX450F. Used a handful of times and works great, includes unit, harness, sub-harness, and charger only. Manual is available online. The KX™ FI Calibration Kit features a handheld KX™ FI Calibration Controller which enables riders to adjust engine characteristics, by rewriting actual data maps, to suit their preference Use without a PC: simply plug the KX™ FI Calibration Controller in the engine’s ECU Built-in color LCD screen with easy-to-use interface SD card compatible for data transfer of maps between the controller and a PC Seven preset settings for easy ECU adjustment to suit track conditions ECU maps for fuel injection volume and ignition timing based on throttle position and rpm The KX™ FI Calibration Controller displays the status of a running engine when connected to the ECU Water-resistant The KX FI Calibration Controller contains seven preset settings that can be quickly and easily used to adjust the ECU to suit track conditions. The provided settings are shown below. SETTING DESCRIPTION Richer fuel setting fuelling 5% richer than stock Leaner fuel setting fuelling 5% leaner than stock Advanced ignition setting ignition advanced 3o from stock Retarded ignition setting ignition retarded 3o from stock Hard riding surface setting ignition retarded, fuelling richer Soft riding surface setting ignition advanced, fuelling leaner Beginner setting engine power suppressed: ignition retarded, fueling richer. KX™ 450 (19-20) Requires Sub Harness (26011-0933) and Tube Clamp (92037-1794) to operate KX™ 450F (09-10) and (12-18) Requires Sub Harness (26011-0933) and Bracket (11056-0505) to operate KX™ 250F (13-20) Requires Sub Harness (26011-0933) and Bracket (11056-0505) to operate Fits KX™ 250F (13-20), KX™ 450F (09-10) and (12-20) Does not fit KX™ 450F (11) Shipping in the the 48 USA states only. No shipping to Alaska and Hawaii. Shipping will be by USPS OR UPS.