Vehicle Accessories

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 pre-set 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
• Includes transfer and diagnostic cables, SD memory card, user manual, and carrying case 

The following accessories are required to operate the KX FI Calibration Kit (sold separately): 

• KX250XC/KX250 (2022-2024) requires Tube Clamp (92037-1794), Sub Harness (26011-0933) and CD Software (57011-0010)
• KX450SR/KX450XC/KX450 (2022-2023) requires Tube Clamp (92037-1794), Sub Harness (26011-0933) and CD Software (57011-0010)
• KX450XC/KX450/KX250XC/KX250 (2021) requires Tube Clamp (92037-1794), Sub Harness (26011-0933) and CD Software Upgrade (57001-0014)
• KX450 (2019-2020) requires Tube Clamp (92037-1794), Sub Harness (26011-0933) and CD Software (41080-0707)
• KX450F (2009-2010, 2012-2018) requires Sub Harness (26011-0933) and Bracket (11056-0505)
• KX450F (2011) requires Sub Harness (26011-0315) and Bracket (11056-0597)
• KX250 (2020) requires Sub Harness (26011-0933), Bracket (11056-0505) and CD Software Upgrade (41080-0721)
• KX250/F (2013-2019) Requires Sub Harness (26011-0933) and Bracket (11056-0505)
• KX250F (2012) requires Sub Harness (26011-0315) and Bracket (11056-1657)
• KX250F (2011) requires Sub Harness (26011-0315) and Bracket (11056-0597) 

The KX FI Calibration Controller contains seven pre-set 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, fuelling richer