2021 Kawasaki NINJA 400

New MotorcyclesSport: Ninja


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A low seat height and aggressive styling with LED headlights make the Ninja 400 the ideal choice for riders looking to enter the sport-riding scene.

Engine4-stroke, Parallel Twin, DOHC, liquid-cooled


Bore x Stroke70.0 x 51.8mm

Compression Ratio11.5:1

Fuel SystemDFI® with dual 32mm throttle bodies

IgnitionTCBI w/digital advance


Final DriveSealed chain

Electronic Rider AidsABS

Front Suspension / Wheel Travel41mm hydraulic telescopic fork/4.7 in

Rear Suspension / Wheel TravelHorizontal back-link with adjustable spring preload/5.1 in

Front Tire110/70-17

Rear Tire150/70-17

Front BrakesSingle 310mm petal-type disc with 2-piston calipers and ABS

Rear BrakesSingle 220mm petal-type disc with single-piston caliper and ABS

Frame TypeTrellis, high-tensile steel

Rake/Trail24.7°/3.6 in.

Rake / Trail24.7°/3.6 in.

Overall Length78.3

Overall Width28

Overall Height44.1

Ground Clearance5.5

Seat Height30.9

Curb Weight368.2**

Fuel Capacity3.7


Color ChoicesPearl Nightshade Teal / Metallic Spark Black, Passion Red, Metallic Graphite Gray / Metallic Magnetic Dark Gray

Warranty12 Month Limited Warranty

Kawasaki Protection Plus™ (optional)12, 24, 36 or 48 months

  • Price, if shown and unless otherwise noted, represents the Manufacturer's Suggested Retail Price (MSRP) or dealer unit price and does not include government fees, taxes, dealer vehicle freight/preparation, dealer document preparation charges, labor, installation, or any finance charges (if applicable). MSRP and/or final sales price will vary depending on options or accessories selected; contact dealer for more details.

  • Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred; contact dealer for more details.