2017-2027 CBR1000RR ECU Flash (HRC Sport Kit Menu + HRC ETV) SC77

Unlock the full potential of your 2017–2027 Honda CBR1000RR with our custom CJR Performance ECU Flash!

Developed using features inspired by the Honda Racing Corporation (HRC) ECU, combined with countless hours of dyno testing and trackside development with Ashton Yates during our 2019 MotoAmerica racing season with our 2017 SP1 and 2019 SP2 race builds. Our custom ECU flash is designed to deliver significant improvements in throttle response, power delivery, and overall performance.

We've extensively refined the factory ECU calibration to eliminate unnecessary restrictions, optimize fueling and ignition timing, and provide smoother, more predictable throttle control throughout the entire RPM range.

2017–2027 CBR1000RR ECU Flash Features

• HRC Sport Kit Menu Unlock (Optional) – Unlocks additional HRC racing-related settings and functions through the factory display. (Tire diameter, Sprockets, Shift Pattern, QS Settings, Race Mode Dash)
  NOTE - This will disable your speedometer from the gauge to enter "Track Mode"

• HRC Electronic Throttle Valve (ETV) Mapping (Optional) – Revised throttle mapping based on HRC race calibrations for improved throttle response, reduced factory restrictions, and more direct power delivery. Custom ETV changes are available upon request. See bottom of page for how P1-P5 settings are set up.

• CJR x Yates Spec ETV Mapping (Optional) - Built on the dyno with Cameron, revised at the track with Ashton. With a smooth progressive into 1:1 style throttle curve, this mapping allows the most direct "cable like feel" from your CBR1000RR. Expect a gentle throttle curve in the early portion of you grip, perfect for smooth throttle operations at full lean or cruising long distance, with a powerful progressive 1:1 blending into the mid-high throttle grip. This is the exact mapping used by Ashton Yates for his final races of the 2019 race season. 
  

• Optional mix/match Custom ETV's - We make tunes unique to how YOU ride and enjoy the bike, have a custom request? We can make it happen. Example: CJR x Yates Power 1-2, with an HRC 3-4-5. 

• Optimized Deceleration Fuel Cut (Optional) – Revised fuel-cut behavior for smoother on/off throttle transitions and improved control during corner entry and exit.
  This will add a little crackle to your exhaust on decel, without dangerous engine failures that can eventually arise from pop/bang tunes that utilize negative ignition timing strategies.

• Lower Radiator Fan Temperatures (Optional) – Adjusted to activate at 205°F and deactivate at 190°F, compared to factory settings of approximately 239°F on and 217°F off.

• Gear-Specific Ignition Timing – Custom ignition timing adjustments available for each gear to optimize performance and power delivery. Slightly reduced ignition timing in the low-mid RPM range to eliminate detonation on todays pump fuel found with the stock ECU, revised mid-high RPM for optimal balance of power and longevity. 

• Individual Cylinder Fuel Mapping – At CJR,  we tune with an O2 bung on each exhaust header on the majority of systems to create a custom fuel calibration for each cylinder using both TPS × RPM and MAP × RPM fuel tables for optimized air/fuel ratios throughout the operating range.

• Unrestricted Secondary Injectors –  Revised upper shower injector and optimized fuel distribution between the lower primary and upper secondary injectors. We don't just max this setting, we dyno test in 2% intervals up to 100% and back to find the exact sweet spot for injector balance.

• Top Speed Limiter Removal – Removes the factory ECU speed restriction to allow unrestricted top-speed potential, subject to gearing, available power, and other limitations.

• PAIR Valve Disable (Optional) – Disables the factory secondary air injection system for compatible racing applications.

• Exhaust Servo Disable (Optional) – Disables the factory exhaust servo control and associated fault codes when removing the system.

• O2 Sensor Disable (Optional) – Disables factory closed-loop oxygen sensor operation for supported configurations.

• Electronic Steering Damper Disable (Optional) – Disables factory electronic steering damper control for compatible aftermarket steering damper setups.

• EVAP System Disable (Optional) – Disables factory evaporative emissions control functions for applicable race-only configurations.
  

• Adjust Idle RPM (Optional) - Raise/Lower idle from the factory target 1,200rpm
• Adjust Rev Limit - Raise/Lower RPM limit (Raise is not recommended for stock cams/springs, only if using upgraded valvetrain)
• *For Race Competition Use ONLY*

Current tunes available - 
Stock Intake with Stock Exhaust
Stock Intake with Slip-On Exhaust
Stock Intake with Aftermarket FS Exhaust (Various custom tunes available: Akrapovic, Hindle, Arrow, Yoshimura and more)
Aftermarket Velocity Stacks + Aftermarket FS Exhaust (Velocity Stacks Include Stock, OEM Overbore, HRC, & EURO)

Note - (All tunes available with stock or aftermarket air filters)

Available ECU Part Numbers - 
38770-MKF-LG2
38770-MKF-L02 
38770-MKF-D43
38770-MKF-L13
38770-MKF-L72
38770-MKF-LK2
38770-MKF-TK2
38770-MKF-A22

*If your ECU part number is not available, expect an additional 2-3 day turnaround time.
*Custom Mix/Match ETV May require additional 1-2 day turnaround. 
*Please contact us before purchase if your ECU is marked with a different part number than listed above.
*NOTE - Not all settings available for disable depending on model year and ECU part number.

How to order:
- Step 1 - Fill Out Modifications / Waiver Form. (Form will pop up during checkout)
- Step 2: Take the ECU out of the bike and mail your ECU to the following address - (Please email your tracking number if available to CJRPerformanceLLC@gmail.com)
CJR Performance
5825 E Hwy 163
Columbia MO 65201
- Step 3 -ECU flashing is shipped within 24-48hrs of the order being received.

For existing customers looking to change tunes, follow this link - https://www.cameronjonesracing.com/custometuning/p/tuneupdate

NOTE -
*If a mail-in ecu flash is purchased with other products, the other products will be shipped back in the same package the newly flashed ecu that is being mailed back to you.

HRC ETV Settings - 

• Power 1 (P1) – Aggressive Performance: The most responsive HRC throttle mapping, designed for immediate acceleration and direct throttle control. Ideal for experienced riders seeking maximum responsiveness on the track.

• Power 2 (P2) – Smooth Performance: Delivers a smoother, more progressive throttle response while maintaining strong acceleration and available engine performance.

• Power 3 (P3) – Mild Performance: Offers softer, more controlled throttle characteristics for riders seeking increased precision and smoother power delivery.

• Power 4 (P4) – Progressive Power Reduction: Uses the aggressive HRC throttle characteristics with additional throttle opening reductions, providing a more controlled response when maximum acceleration isn't desired.

• Power 5 (P5) – Mild Power Reduction: Combines the mild HRC throttle characteristics with additional throttle opening reductions for the most conservative power delivery options.

DISCLAIMER: LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.
This product is legal for closed-course competition use only; for racing vehicles (a competition vehicle not used on public highways). Intended for off-road use or race purposes; does not meet regulations of pollution controlled roads or highways. This system is NOT compliant with the California Environmental Protection Agency (E.P.A.) or California Air Resources Board (C.A.R.B) for use on public roads or lands.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -- Learn More