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  1. Ninja 400 Complaints, Issues And Problems
    I noticed this rattling/scraping(?) sound while I was riding earlier, it progresses with the rpms once it passes 6k. Doesn’t really seem like a normal sound. I’m curious if this is the horn or something loose rattling, or part of the engine. Just listen to the video, you may need to wear earbuds...
  2. New Member Introduction
    Hello, We are a Forged Wheels Developer from Taiwan. We have developed wheels for Ninja 400. Please contact us for further information. Our whatsApp is +886921916270. Please visit our website www.mosmotortaiwan.com We provide worldwide shipping. Thank you.
  3. Engine and Technical Discussion
    Hello all, Around a month ago I purchased my first bike, a 21’ Ninja 400 with ABS. As anyone who gets their first bike they begin to look into upgrades, accessories and the whole nine yards. I’ve learned little by little about ECU flashes, power commanders, sprocket and chain upgrades, quick...
  4. Other
    I have a ZG corsa smoke windscreen for sale. I got it yesterday and looks great. Did a 30min test ride today, but it’s just not what I was looking for. Works great for tall riders, and it looks great on the N400s. No scratches, original packaging. Shipping out of Austin, Texas area. Asking $90...
  5. Parts & Accessories
    A quick snap of these 3 pipes side by side at Xtrem Performance , also have them in full systems.
  6. Ninja 400 Parts
    Hi, wondering if anyone has these parts for sale, 55028-0643-H8, 55028-0644-H8. They are the cowling fins in ebony black. Thanks
  7. Ninja 400 General Discussion Forum
    ++++++UPDATED: 05/04/2021 - pics added++++++ I thought I would do, what may be helpful for some, a rating of the mods I have done to my Ninja 400. This can help people who are looking at the perspective mods and deciding whether or not they are worth it or beneficial. I will put my former mods...
  8. Kawasaki Ninja 400 Videos
    Not sure if any of you have seen this video, but you can tell this rider was trying to show off to the two guys on the Groms. I saw this video for the first time a day before I picked up my own 2021 Ninja 400 ABS! I feel bad for the Ninja 400, the guy is a tool and deserved what he got IMO...
  9. What did you do to your 2018+ Ninja 400 today?
    After waiting for a fuel rail for nearly 2 weeks, I finally got it in Monday (4/12/21) and put her back together that very day. It is unreal how much of a difference these mods have made to the appearance, and especially, the performance! It pulls harder and has a more sporty feel, sounds...
  10. Ninja 400 General Discussion Forum
    I got a Delkevic full exhaust system (13.5" titanium pipe with the stainless headers). I also got a Power Commander V that requires you to take off the fairings, gas tank, and air box. The tank was not easy to get off due to the rubber grommets in the front holding it in pretty strongly. I...
  11. Ninja 400 Complaints, Issues And Problems
    So I’ve been having an issue were the throttle free play increases in higher gears or speeds. Which creates an issue when rev matching and braking hard. It’s not a huge problem but I do want to fix it. I keep the throttle free play pretty tight, but to where it still idles at 1,300 rpm and no...
  12. Ninja 400 General Discussion Forum
    Just out of curiosity, has anybody replaced the swing arm with a non oem one? I don’t mean stretched or whatever, just keeping the stock wheelbase or close to it. Also how would a lighter weight or different style swing arm make the bike handle?
  13. What did you do to your 2018+ Ninja 400 today?
    I had to remove the side fairings, gas tank, air box, slip on (Two Brothers Hurricane), and the stock headers. The Fairings: went off without a hitch, I have removed them once before to install my Shogun frame slider set so it was definitely easier now that I knew what to do. Gas Tank (OOPS...
  14. New Member Introduction
    Hi everyone, I just got my 2021 Kawasaki Ninja 400 ABS on 3/04/21 and just joined the forum tonight. Due to the Chicagoland weather, I have only been able to ride it about 15 times now for about 180 miles. I have been having a blast and cannot wait for some warmer weather to enjoy the rides...
  15. Kawasaki Ninja 400 Classified Forum
    Hi, is anyone parting out or selling OEM fairings pieces? Thanks.
  16. New Member Introduction
    Hi all, and happy New Years !!! New rider here from Houston Tx Just took the MSF course and finally got my motorcycle license. Looking forward to meeting new ppl and learning as much as I can from the more experienced members of the forum. Recently purchased my baby a 2021 ninja 400 abs in...
  17. Ninja 400 Complaints, Issues And Problems
    Heyo fellow Ninjas, I dropped my new bike [2018 Ninja 400 ABS] (for the first time) in the garage while working on it, and it happened to land on the part of the left major fairing (the one containing the signal light and fuse attachments) right above the central Christmas lock part that...
  18. New Member Introduction
    Hi guys, Recently bought my first bike and it's a 2020 Ninja 400!! Bought it from the dealer. Currently did 140KM on it! So far its an amazing bike, still in the break in period so can't say to much about the performance, but the bike feels great! Well glad to be a new member!
  19. Ninja 400 General Discussion Forum
    Hello All, Sorry for a second post - it wouldn't let me edit my first post for some reason. Here is a second deal that I've found, I am very close to accepting. 2018 Ninja 400 with ABS 2000km Tail delete with integrated turn signal, black PUIG windshield, frame sliders Price: $5000 CAD...
  20. Ninja 400 General Discussion Forum
    Hey everyone, I'm hoping someone could give me some information/tips on how to make the rear more aggressive on my 2020 Ninja 400? A lot of people have probably already asked this question before but thought I'd try my luck anyway. Reason for asking is I genuinely just like the more aggressive...
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