Attention: You are purchasing closed course competition Product(s)

I acknowledge that the product(s) being purchased () was/were designed and intended for closed course competition use only. The product(s) is/are neither designed nor intended for use on public roads or land and is against Federal and State regulations to do so. By proceeding with this purchase, I , agree to only use the product(s) for closed course competition.

If an ECU tune was purchased, please send your unmodified and undamaged OEM ECU to TST Industries, located at 623 Pleasant St, Lake Helen, FL 32744.

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FREE SHIPPING OPTION FOR DOMESTIC ORDERS:

U.S. customers are offered a free shipping option for orders with a discounted subtotal greater than $150.00 (before taxes applied). The order's shipment destination must reside within the United States of America. The free shipping options still utilize our standard postage providers and 3rd party shipping companies. Does not apply to large items such as exhausts, stands, and bodywork shipping. All terms and conditions that apply to normal orders will continue to apply to orders with a free shipping option.

NO RESTOCKING FEES:

An item returned within 30 days of purchase, that includes an accurate RMA#, in a perfectly new, unopened condition, and that complies with our other return policies, will not be charged a restocking fee.

MOST QUESTIONS ABOUT THIS PRODUCT CAN BE ANSWERED ON THIS PAGE.

The most common product related questions are answered in the tabs section on this page. Be sure to carefully read through the "Product Details", "In the Box", and "FAQs" tabs. In addition, a lot of our products have comprehensive videos demonstrating installations and product features. You can find those videos in the "Videos" tab.

Note: Some product pages may not have all the tabs mentioned above. Please read through all the available tabs to find the answers to your questions. If you still need assistance, please use the "ASK A QUESTION ABOUT THIS PRODUCT" button below the tabs section.
NO ADDITIONAL COST: You pay at the time of checkout and never have to worry again.
COVERAGE: Our Limited Extended Warranty starts on the date of purchase. It covers all manufacturer defects for our TST Exclusive products. (Products manufactured by us with the exception of our WORX products)
EXPERT HELP: As always our team is here to help. If you’re unsure about this warranty or if your product is eligible, feel free to reach out to us and we can help answer any questions you may have!
PRODUCT ELIGIBILITY: TST will offer our Limited Extended Warranty on all products manufactured by TST Industries.
EASY CLAIMS PROCESS: Simply click the “Contact Us” page and fill out the “Returns Form” to begin the warranty process. Once our team receives your email and initiates the RMA, you can send your product back to us and we will repair/replace the product at no cost as long as a manufacturer defect is found. What qualifies as a manufacturer defect? Check out our Terms and Conditions for some examples!

TST WORX Performance ECU Tune for Kawasaki Ninja ZX-4RR 2023+ / ZX-4R 2024+

  • TST WORX Performance ECU Tune for Kawasaki Ninja ZX-4RR 2023+ / ZX-4R 2024+
  • Compare Torque figures of different ZX-4RR / ZX-4R configurations.
  • TST Stage 1 Tune increases Kawasaki ZX-4RR power by 43%.
  • TST Stage 1 Tune increases Kawasaki ZX-4RR / ZX-4R torque by 43%.
  • Once we receive your ECU, we'll flash it with your chosen tune & send it right back to you ready for reinstallation.
  • Unlocking enormous power gains on your Kawasaki ZX4-RR / ZX-4R has never been easier.
  • Unlock your Kawasaki ZX-4RR / ZX-4R ECU with TST Industries WORX.

TST WORX Performance ECU Tune for Kawasaki Ninja ZX-4RR 2023+ / ZX-4R 2024+

TST WORX Performance ECU Tune for Kawasaki Ninja ZX-4RR 2023+ / ZX-4R 2024+

Unlock the true potential of your Kawasaki ZX-4RR / ZX-4R with the TST Industries WORX Program. Our Stage 1 Tune removes the extreme restrictions put in place at the Kawasaki factory and makes precise adjustments to the ECU parameters, enabling up to 43% more power compared to a factory stock bike. There's no need to settle for stock when massive gains are this easy.

PLEASE NOTE: Stage 1 tunes were designed for full system exhaust and MWR Race Air Filter, however, any aftermarket air filter should provide similar results. Stage 1 tunes can be used with the stock air filter if so desired.

SLIP-ON COMPATIBILITY: If you have a slip-on exhaust, please select "Slip-On" from the dropdown. Please be aware that this tune will work with slip-on exhausts, however, the performance gains are limited due to the restricted airflow and you will not see the same performance gains that are shown on the dyno charts or discussed on this page.

Already have a TST ECU Flash Tune and need a reflash? That's easy! CLICK HERE to learn more.


Applications:

  • Kawasaki Ninja ZX-4RR | 2023, 2024 (North American models ONLY)
  • Kawasaki Ninja ZX-4R | 2024 (North American models ONLY) 

We cannot accept ECUs outside of the North American market at this time.

You are responsible for sending us an undamaged stock Kawasaki ZX-4RR ECU. We will reflash the ECU and send it back to you ready to be reinstalled. Once an ECU is flashed, all sales are final and no refunds will be issued.

This product is part of our Worx Program!

Learn More!
SKU
2023 +/Ninja ZX4RR/Kawasaki
TST WORX Performance ECU Tune for Kawasaki Ninja ZX-4RR 2023+ / ZX-4R 2024+
 
Price: $250.00
Select Kawasaki Model
What Exhaust Is On Your ZX-4RR / ZX-4R?
If you selected "Other" above, please fill in which exhaust you have
Select Tune
Select Shift Pattern
Quantity

ATTENTION:

If buying this product as part of the Buy Together bundle below, define these options there.

CLOSED COURSE APPLICATIONS ONLY
This kit was designed and intended for closed course competition use ONLY. These products are neither designed nor intended for use on public roads or land and it is against Federal and State regulations to do so.

Features

  • Removes factory restrictions and optimizes fueling for increased performance
  • Must be paired with a full-system aftermarket exhaust (sold separately)
  • Tuned for use with MWR Race Air Filter (sold separately) - OEM air filter can be used
  • Provides up to 43% increase in power and torque compared to a factory stock bike
  • Provides 8% increase in power and torque when paired with a full system aftermarket exhaust compared to a stock bike with the Stage 1 Flash
  • 2-4% Increase in power and torque between 8,500 - 15,500 RPM when paired with a full system aftermarket exhaust compared to the same setup with the stock tune
  • Tuned by individual cylinder to ensure that maps are optimized for each cylinder and provide consistent and optimal performance across all four cylinders
  • Updated quick shifter map to enable quicker and smoother shifting
  • Eliminates the stock throttle hesitation/bogging at very low RPM during initial acceleration
  • Optimized fueling
  • Advances ignition timing to improve power at the top end (full power only)
  • Unrestricts Electronic Throttle Valve (ETV) at top end and increases opening above 7000 RPM (full power only)
  • Increases rev limit by 300 RPM
  • Disables top speed limiter
  • Disables O2 sensor FI code
  • Disables PAIR FI code
  • Disables front wheel speed fault code
  • Disables EVAP
  • Disables fan relay FI code
  • Your choice of standard or GP (reverse) shift pattern

This ECU reflash was tuned using premium 91-93 octane pump gasoline. 91-93 octane should always be used when operating with this tune.

Description

Kawasaki has placed fairly aggressive restrictions on their Ninja ZX-4RR and ZX-4R by limiting the power capabilities right out of the factory. We don't know the exact purpose, but it's reasonable to assume those restrictions were put in place to meet the strict emissions requirements for on-road use. We don't have any issue with that, but when you're dragging knee at the track and chasing faster lap times, that extra engine potential could be a total game-changer. That's why we immediately put our very own ZX-4RR on the dyno and began testing and tuning. After hours at the dyno and countless laps at the track, our WORX engineers have developed an ECU flash that unlocks massive performance gains. Our Stage 1 Tune is developed for riders with a full-system aftermarket exhaust and either the stock or upgraded air filter, providing optimized fueling and ECU parameters for even better performance and shorter lap times. Break away from the pack and land your boots on the podium with the help of our TST WORX Tune.

The Stage 1 Tune was created with the Akrapovic full-system exhaust and MWR Race Air Filter, but can be used with the stock air filter. Other full-system aftermarket exhausts and aftermarket race air filters should provide similar results and do not require a specific Stage 1 tune.

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.

NORTH AMERICAN MARKET ONLY: Please keep in mind that this is only available for North American market Kawasaki ZX-4RR / ZX-4R motorcycles ONLY. All orders placed outside of the North American region will be canceled.

REFLASH UPGRADE: Already have a TST WORX Tune on your ECU and need to upgrade? We've got your back! We'll perform a free reflash on any ECU we have previously flashed. CLICK HERE to learn more.

Q: Is a full system exhaust required for the tune to work?
A: Yes - Our Stage 1 Tune was tuned for aftermarket exhausts and air filters to take advantage of the extra airflow and adjust ECU parameters for optimized performance.

Q: Do I ship my ECU to you?
A: Yes, it is your responsibility to ship an undamaged Kawasaki ZX-4RR / ZX-4R stock ECU to our facility in Florida for tuning. The ECU must be properly packed and free of any damage or contaminants to be tuned properly.

Q: Where do I ship my ECU?
A: 623 Pleasant Street, Lake Helen FL, 32744 - Please include your order number.

Q: Do I pay for shipping if I am sending you my ECU?
A: Yes - it is your responsibility to properly package your ECU and send it to our facility in Florida.

Q: What is your return and warranty policy?
A: Returns are not accepted for this item. Please read over our policies thoroughly on our terms and conditions page BEFORE making your purchase.
TST Industries Terms and Conditions
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