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WHY is this dyno curve AFR for a full exhaust withOUT an ECU tune "bad"??

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by Jim G

WTB 2020 KRT FULL FAIRINGS

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by Hops89

$4200 - 2018 Ninja 400 with 5300 miles located in South Jersey

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Best Spark Plug for Z400/Ninja 400

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luggage rack for z400

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3K

What did you do to your 2018+ Kawasaki Ninja 400 today?

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by Hops89

Sticky Share Pictures Of Your Kawasaki Ninja 400

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by Hops89

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Rear sprocket removal

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by Tracy

Marvel Collection weight stats

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by mrtoastywaffle

Swapping plastics 2021 Z400

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Bad Engine Noise? (with video)

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by X400X

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by LeanOfficial

[Selling - Northern California] Hotbodies racebody work - green brand new in box

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Rating my own Ninja 400 mods (please feel free to do your own or comment/question) Updated 5/4/2021

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Corrected the tire pressure.

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FS: 2019 Ninja OEM Parts (HOUSTON, TX)

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879

Quiet helmet for a Z ?

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Throttle smoothness and gas level?

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Suomy SR-GP Helmet

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by jd41

New-ish in NY state

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by Tracy

FS: OEM rearsets. Like New.

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by jd41

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by TwoLeftThumbs

ISO Intake Camshaft

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by RamsonMiller

Ninja 400 Track Weapon

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by Flash Bantam

New Member From San Diego

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by Hops89

New Member From Southeast Pennsylvania

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by JJm5

WTB Ergo Seat 2021 Z400

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Is this suit legit?

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1st ride with the grandson

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Camera / GoPro Mounts

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New Member from Maryland!

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Saddle Sore 1000 around Lake Michigan

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by Zguy

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