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Community Rules

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Kawasaki Ninja 400/Z400 Forum For everything you need to know about the Kawasaki Ninja 400/Z400!

Ninja 400/Z400 General Discussion Forum

Please post any Kawasaki Ninja 400/Z400 related questions that do not fit another category in this section.
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Helmets, Gear, Protection And Apparel Discussion

All Discussions related to protection, helmets, jackets, apparel, backpacks, bags and all other related topics.
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What Did You Do to Your Ninja 400/Z400 Today?

A section for 2018+ Kawasaki Ninja 400/Z400 owners to share what they have done with their Kawasaki Ninja 400.
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Kawasaki Ninja 400/Z400 Pictures

Got some great images of your Kawasaki Ninja 400/Z400? Feel free to post them in this section.
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Kawasaki Ninja 400/Z400 Videos

Found any or have any great video clips of your Kawasaki Ninja 400/Z400? Post them here.
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Ride Reports

Have a good ride you want to comment on or let other members know of some good roads in your area? Please tell us.
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2018+ Kawasaki Ninja 400/Z400 Tech Section All Technical Topics For The Kawasaki Ninja 400

Engine and Technical Discussion

Discussion of the Kawasaki Ninja 400 Engine and Powertrain.
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Exhaust And Headers

All discussion relating to the 2018+ Kawasaki Ninja 400 both aftermarket exhausts systems or just slip ons.
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Wheels And Tires

All discussions of the 2018+ Kawasaki Ninja 400 both aftermarket and factory tires and wheels.
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Suspension And Brakes

All discussions of the 2018+ Kawasaki Ninja 400 both aftermarket and factory Suspension and brakes
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Electronics

Section dedicated to all discussions of the 2018+ Kawasaki Ninja 400's Electronic components.
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How To And DIY

Got a cool diy or how to for the Kawasaki Ninja 400? Share it with the Ninja 400 community.
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Parts & Accessories

This forum is for any questions or discussion regarding OEM and aftermarket parts & accessories for the Kawasaki Ninja 400.
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Kawasaki Ninja 400/Z400 Ownership Lounge Kawasaki Ninja 400/Z400 Check In Area, Pricing, Orders And Dealership Experiences

Kawasaki Ninja 400/Z400 Owners Registry

Did you just receive your brand new Kawasaki Ninja 400/Z400? Make a post here!
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Kawasaki Ninja 400/Z400: Likes And Dislikes

Kawasaki Ninja 400/Z400 Discussions regarding what to like and dislike, the pros and cons, compliments or complaints. Share your personal opinion on the 2018+ Kawasaki Ninja 400/Z400.
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Kawasaki Ninja 400/Z400 Pricing And Orders

Forum for threads about purchasing a new 2018+ Kawasaki Ninja 400/Z400. Discuss pricing, dealer feedback, latest incentives, and ordering information.
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Kawasaki Ninja 400/Z400 Versus the Competition

Ask questions of Ninja 400Riders.com users about what the Ninja 400 is like versus its competition. A great place for new motorcycle buyers to find out more about the Ninja 400.
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2018+ Kawasaki Ninja 400 Reviews

Write a review of your Kawasaki Ninja 400 here for everyone to read! Be sure to detail what you love, what you don't like, and what changes you would make!
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Ninja 400/Z400 News

For all news and updates the 2018+ Kawasaki Ninja 400/Z400.
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Kawasaki Ninja 400/Z400 Issues, TSBs & Recalls 2018+ Kawasaki Ninja 400/Z400 Complains, Issues, Problems, Defects, TSBs and Recalls

Ninja 400 Complaints, Issues And Problems

Have an issue with your 2018+ Kawasaki Ninja 400? Share your complaints and discuss all related problems
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The Grid, The Pit And The Podium Track Talk And Related Discussions

Kawasaki Ninja 400/Z400 Track And Racers

For any discussions relating to the Kawasaki Ninja 400/Z400 on track and race days
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Marketplace

Member Classifieds

Buy, Sell, Trade, Wanted
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2018+ Ninja 400/Z400 Vehicle Sales

This section is for Buying or Selling the Kawasaki Ninja 400/Z400 vehicle as a whole!
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Ninja 400/Z400 Parts

FS, FT, WTB: Kawasaki Ninja 400/Z400 parts ONLY
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Great Deals

Have you found a Great Deal? Share and find discounts, sales, and deals found online. (No Commercial, Vendor, or Private Party posting.)
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Vendor Member Section Want to Grow Your Business? Learn more about becoming a Supporting or Premium Vendor

Vendor Spotlight! Great Deals for Members

Our vendors not only help support our community, but they also offer amazing deals to our members. Check this forum often for all the specials, deals, and announcements.
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Forum Support Report Issues Or Ask for assistance
Latest Posts See all new posts
  1. Good evening I was wondering if you could help me… I have a 2019 Kawasaki ninja 400 I replaced the clutch housing, clutch plates and clutch cable. But my problem is when I kick into first it shuts off and when I try to restart it, it jerks. Any ideas?
      6 replies   76 views
  2. To begin with, these are my PERSONAL OPINIONS/Preferences. After having this bike for 4 years. These are my thoughts in the bike reliability, performance, etc. I recommend (maybe others can say the same as well) to go with the K&N Airfilter. Reason why, is for the ability to clean it with the...
      14 replies   471 views
  3. It's no biggie but I am wondering if there is an explanation for this. This is the second spring when the bike has trouble starting after winterization. The starter engine fails to start it and I have to have it run down a slope about 5 or 6 times in second gear in order to start. After that...
      6 replies   153 views
  4. I was trying to see the top speed on my bike, and when I hit around 108-112 the bike will start to aggressively jerk back repeatedly. It only stops when I slow down, which I do immediately cause it scares tf out of me, but I cant figure out what it is. I'm not red-lining, I can't even get there...
      51 replies   1K views
  5. Hi I just need a help regarding on my ninja400 recently while riding it suffer on loose power and then suddenly stops, when I check fuel is leaking on my muffler so I decided to tow the bike home, upon checking the bike I also noticed that the oil almost like water in viscosity and it smells...
      1 reply   70 views
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