Features

• Removes factory restrictions and optimizes fueling for increased performance
• Developed specifically to be paired with a full or 3/4 system aftermarket exhaust
• 13% increase in peak power when paired with the appropriate exhaust compared to the stock setup
• 10% increase in peak power when compared with the same aftermarket exhaust and stock tune combination
• 70% increase in top-end power (13,500 RPM) compared to the stock setup
• Almost 60% increase in top-end power (13,500 RPM) compared to aftermarket exhaust and stock tune
  
• Improved low-end torque and significantly improved high-end torque
• Improved ignition timing maps to improve power in the mid-range and top end
• Optimized ETV tables for smoother throttle and removed restrictions at the top end
• Increased rev limiter by 250 RPM
• Fuel trimmed by gear to ensure proper AFR is achieved in all gears
• KEBC (engine braking) tables modified to reduce engine braking in certain areas
• Lowers fan activation temperature 
• Disables O2 sensor fault
• Disables AIS/PAIR valve fault
• Disables EVAP fault codes
• Disables exhaust valve servo motor fault code
• Disables top speed limiter
• Disables intake flap fault code
  

Specifications

• Must be paired with a full or 3/4 aftermarket exhaust
• Works with stock and aftermarket air filters
  
• Should be used with 91/93 pump gasoline
• AIS should be blocked for optimal results
• O2 sensor should be unplugged for optimal results 
  
• Only compatible with North American spec ECUs

Description

The 2021-2025 Kawasaki ZX-10R brings formidable performance to the track, but its stock ECU calibration limits much of the engine’s potential at higher RPM. The TST WORX Performance ECU Tune recalibrates fueling, ignition timing, throttle mapping, rev limits, and engine-braking behavior while also eliminating restricting factory settings. Combined with a full or 3/4 aftermarket exhaust, it produces 13% more peak power than a completely stock bike and a 10% increase over the same exhaust configuration running the factory tune. The most dramatic improvement arrives at 13,500 RPM, where revised throttle mapping delivers gains of 70% over the stock motorcycle and nearly 60% over a full-exhaust setup running the factory ECU tune. The result is a harder-pulling, more responsive ZX-10R engineered to deliver its best performance on the track.

AFTER TUNE: Please be aware that the Check Engine Light will be on and the Riding Mode and KTRC will flash after reinstalling the ECU. All of these will clear after one or two rides of at least 35-45 MPH.