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  1. Parts & Accessories
    Graves Motorsports Kawasaki Ninja 400 + Ninja 500 Diamond ™ No Cut Frame Sliders. Graves Motorsports frame sliders are designed to help protect your motorcycle in the event of a low speed crash or tip over. Fitment: Kawasaki Ninja 400 2018-2023 + Ninja 500 2024 + Product Link...
  2. Engine and Technical Discussion
    Hello, I purchased my Ninja 400 around August 2023. So far, I have clocked approximately 3200km on it and I am considering returning it soon if there is no solution. The issue is that it rattles between around 2000 to 5000rpm, and likely continues beyond, although I can't hear it due to my...
  3. Parts & Accessories
    Just genuinely curious is this is a needed or important or even useful part of the motorcycle. I replaced my exhaust and this looks wildly out of place here. Anyone have some info for me? Thanks!
  4. Parts & Accessories
    Having some trouble understanding what’s going on here… My wife has been having SIM card issues on her iPhone after using a stem mounted ram mount on her 2022 Ninja 400. After a ride the phone will give an alert “SIM Card Not Recognized”. After some time it will go back to working. A while back...
  5. How To And DIY
    Didn’t see any videos going over this installation. Not too difficult but always easier with a reference. Annitori has always been solid in my book with great customer service. The video goes over the process from start to finish. QS Pro 2 Installation Ninja 400
  6. Electronics
    I'm a new motorcycle rider and I'm not mechanically incluned. I bought a 2023 Kawasaki Ninja 400 non-ABS back in May. Today, I installed a TST Industries Standard Fender Eliminator with pod blinkers and an LED plate light. When I first installed the blinkers, they were working fine. Then I...
  7. Ninja 400/Z400 General Discussion Forum
    So I’m a new to the bike world, just got my license. I’m wanting to ride sports bikes but worried I’m too short. I’m 5’2 and I can flat foot a Honda grom with some bend in the knee. Will I be able to touch the ground on a 400? How big is the seat height difference? also, I found a really nice...
  8. Ninja 400/Z400 General Discussion Forum
    Hi everyone. Just bought a Ninja 400 and I’m going to pick it up from a private seller today. I have the plates, but do you know if I need to get a plate bracket for it? Or does it already come with it on the bike? Everything is stock on the bike
  9. Ninja 400/Z400 General Discussion Forum
    I have a 2018 Ninja 400 that i LOVE. (so not buying a bigger bike for a while) plus its my first bike. So far i have: replaced the clutch and brake levers, added akro exhaust, anddd put some pretty regular tires on it Sportmax GPR. Now for the plan: I bought a norton race clutch upgrade kit, a...
  10. Ninja 400/Z400 General Discussion Forum
    Looking to buy a used Ninja 400, and I want ABS on it. The listing says it has ABS, but there is no ABS sticker on the front fender like usual. I don't know the signs of ABS, could someone please let me know what to look for to see if a Ninja 400 has ABS or not besides the ABS sticker? Is there...
  11. Ninja 400/Z400 General Discussion Forum
    Does anyone have a list of all the official Ninja 400 color options between 2018-2023? I know there has been a lot I just want to know because when I buy a used Ninja 400 I want to see if the decals are custom, or official Kawasaki colors/decals. Photos of the official colors with labels of the...
  12. Ninja 400 Complaints, Issues And Problems
    I have a 2020 Ninja 400 ABS (in Canada). I recently de-winterized my bike. Now I am hearing a chirping/squealing noise at around 2000 rpm. The sound disappears as the rpm goes up. Also the sound disappears if I am pulling in the clutch lever (clutch disengaged) or if I am decelerating. Any idea...
  13. Ninja 400/Z400 Parts
    NOT THE WHOLE BIKE, only Fairings, windscreen, tail, seat, mirrors, headlights, NO FRONT FENDER 2018 Kasawaki NInja 400 Stock OEM Fairings Black with silver accents. Complete fairings, in great shape about 4500 street miles on it. Shipping TBD, Payment via Paypal. Thanks for Looking Brady...
    $1,200 USD
  14. Electronics
    After doing the regular service and changing the clutch parts to fix the factory slip, my right blinker started blinking 2 or 3x faster than the left blinker which is blinking normally. Oh I also installed a tail tidy. I've tried unpluging and pluging the blinker cable and checking the fuses...
  15. Parts & Accessories
    My silly self didn't snap a photo of the original kickstand installed on the bike before removing it to install an adjustable one. I'd appreciate some insight on how it is supposed to sit on the bike. Pictures of your setup would be very helpful! Right now I have the adjustable kickstand...
  16. Ninja 400/Z400 General Discussion Forum
    I have a large shed with a single door, and I'm wondering if the Ninja 400 will fit through the door if I buy one. Can someone please measure the Ninja 400 from handlebar to handlebar? Also, does anyone else store their bike through a doorway? Does it get through okay? Thanks!
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    Ninja 400 Complaints, Issues And Problems
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  18. Ninja 400/Z400 General Discussion Forum
    I got my bike 8 months ago and now i want to give her a new exhaust so she sounds better, which one is the (best) or your favorite?
  19. Ninja 400/Z400 General Discussion Forum
    Z400 Top Triple Clamp Conversion Ninja 400 ‘22 OEM parts used: Z400 ‘22 top triple clamp Ninja 400 ‘22 clutch & throttle cables Aftermarket parts used: Zeta offset risers ProTaper Schoolboy High bars ProGrip road grips Re routed stock clutch & throttle cables, starter / kill switch cables. No...
  20. Engine and Technical Discussion
    Backstory: (skip to tldr if not interested) I was riding my ninja 400 at around highway speeds, ~75mph and a car was riding my ass hard so I gave it some throttle and suddenly it felt as though I was in neutral as the engine started racing and my speed wasn’t climbing but instead lowering. I...
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