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TST Voltage Regulator Relocation Kit for Kawasaki Ninja 400 2018+

TST Voltage Regulator Relocation Kit for Kawasaki Ninja 400 2018+ What's included. Move the vulnerable stock Ninja 400 voltage regulator to a much safer location. Mounts to your TST Frame Slider mounting bracket. Developed from our Ninja 400 supersport racing efforts to decrease the likelihood of sustaining regulator damage during a crash. Installation reference on the TST Ninja 400 Frame Slider mounting bracket. TST Image Carousel Close

TST Voltage Regulator Relocation Kit for Kawasaki Ninja 400 2018+

Avoid damaging your vulnerable OEM voltage regulator by relocating it behind your TST Frame Slider bracket using this easy to install mounting kit.

What's included:

  • Voltage Regulator Relocation Kit

This MUST be used with the TST Frame Sliders as it mounts to the bracket. You will be required to drill into the TST Frame Slider mounting bracket during the installation.


Kawasaki Ninja 400 | 2018, 2019, 2020

This product is part of our Worx Program!

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SKU 10451
Weight 0.07 LBS
Price: $4.99
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If buying this product as part of the Buy Together bundle below, define these options there.


  • Relocates the easily damaged OEM voltage regulator
  • Mounts to the TST Frame Slider mounting bracket
  • Requires some drilling and rerouting of wires during install
  • Great for racing applications
  • Drastically cheaper than other relocation solutions on the market
  • Used on our in-house TST Ninja 400 Supersport race bike


The stock placement of the voltage regulator places the unit in an extremely vulnerable position, allowing it to be easily damaged even in a mild crash. In our racing efforts with the Ninja 400, we quickly saw a need to relocate the rectifier and keep it in a more protected area without spending a ton of cash or adding unnecessary weight with a dedicated bracket. Using our TST Frame Slider mounting bracket, this kit moves the stock regulator to the back of the frame slider bracket and secures it with stainless hardware, adding protection for a small price and an even smaller impact on your bikes overall weight. You will need to drill mounting holes into the TST Frame Slider mounting bracket, but it's an easy install that any racer can quickly tackle. Don't overpay for what can be a simple and cheap solution to keeping your Kawasaki Ninja 400's voltage regulator safe in the harshest racing conditions.

  • TST Voltage Regulator Relocation Kit
  • 1 Year Warranty (See our warranty policy here)
Q: Can I mount these without the TST Frame Sliders?
A: No - we specifically designed this to work with our Frame Slider mounting bracket, therefore they are required for proper installation and relocation of your OEM voltage regulator.

Q: Do I have to do any drilling?
A: Yes - you will need to drill mounting holes into the TST Frame Slider mounting bracket as well as reroute some wires.

Q: Is it sturdy?
A: Very - Since this uses the Frame Slider mounting bracket as the backbone to the installation, you gain added protection to your regulator that many other brands can't offer.

Q: How long will it take for me to receive this once I order it?
A: Please see the articles in our support center regarding domestic and international shipping.

Q: I'm located outside of the United States. Will I have to pay duties on this item?
A: Some countries charge additional fees when a package is imported and delivered to the recipient. We have no way of knowing or estimating what these fees will be. It is the buyer's responsibility to cover these additional costs.

Q: What is your return and warranty policy?
A: Please read over our policies thoroughly on our terms and conditions page BEFORE making your purchase.
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Customer Reviews:

Average customer rating:
(1 reviews)  

1 Most useful customer reviews (see all reviews):
Martin Weinheimer
Jan 11, 2020
This customer purchased the item at our site.
Ok, first simple mod, cheap and surprised no one has reviewed it yet. Mounting the regulator onto the TST frame sliders, worked out perfect. Easy install and the provided measurements made mounting simple. Once the regulator was moved, i was able to move the horn to where the regulator was previously, and the opening on the fork made enough space to install an Ohlin’s linear steering damper and fork mounting kit, with steering stop. Perfect solution for street/race where you need to keep the horn on your bike, but need the steering damper for race weekends.

Advantages: *Easy to install
*Simple but most useful solution if you already have the TST Frame Sliders
*Much better place to protect your regulator from a fall, or accidental bike drop.

Disadvantages: You will need to strip back some of the electrical tape on your wiring harness as my harness didn’t give me enough slack to remount it. It was simple to rewrap with some electrical tape only about an inch in my case. Possibly wiring harness differ, my 400 is an Asian model.
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