Kawasaki Ninja EX 400 GJ Motorcycle Service Manual PDF | 2018-2020

Name: Kawasaki Ninja EX 400 GJ Motorcycle Service Manual PDF | 2018-2020
Brand: Kawasaki
SKU: Kawasaki_2018Ninja
Price: 14.99 USD
Availability: InStock

$14.99 USD

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KAWASAKI 2018-2020

Ninja 400 • Service Manual

This downloadable PDF contains the digital service manual for the 2018-2020 Kawasaki Ninja 400 (EX400GJ). This comprehensive digital workshop guide provides detailed procedures to service and repair your sportbike. Fully searchable and printable, it provides all the detailed instructions, specifications, and diagrams needed to maintain your Ninja 400 in peak condition.

Adobe Acrobat (PDF) format
Fully searchable
Easily print any or all content
Everything needed to repair & maintain your motorcycle
Troubleshooting instructions, wiring diagrams, and reference material

Models Covered

Ninja 400 (EX400GJ)

Table of Contents

GENERAL INFORMATION
PERIODIC MAINTENANCE
FUEL SYSTEM
COOLING SYSTEM
ENGINE TOP END
ENGINE LUBRICATION SYSTEM
ENGINE REMOVAL/INSTALLATION
CRANKSHAFT/TRANSMISSION
CLUTCH
WHEELS/TIRES
FINAL DRIVE
BRAKES
SUSPENSION
STEERING
FRAME
ELECTRICAL SYSTEM
WIRING DIAGRAMS

What's Included

Complete 399cc parallel-twin engine rebuild procedures
6-speed transmission and clutch service instructions
Fuel injection and throttle body synchronization
Cooling system maintenance and troubleshooting
Front fork and rear shock service procedures
ABS and standard brake system diagnostics
Chain and sprocket inspection and adjustment
Valve clearance check and adjustment procedures
Full electrical system diagnostics and repair
Complete wiring diagrams and connector locations
All torque specifications and service limits
Routine maintenance schedules and intervals

Features

Searchable and printable PDF
High-resolution diagrams and schematics
Works on PC, Mac, tablet, and mobile devices
Important: This is a digital PDF manual. No paper book will be provided.

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Frequently Asked Questions

Q: Which Kawasaki Ninja 400 models does this manual cover?

A: It covers the Ninja 400 (EX400GJ) for model years 2018-2020.

Q: What sections does the Kawasaki Ninja 400 manual contain?

A: It has 17 main sections: General Information; Periodic Maintenance; Fuel System; Cooling System; Engine Top End; Engine Lubrication System; Engine Removal/Installation; Crankshaft/Transmission; Clutch; Wheels/Tires; Final Drive; Brakes; plus 5 more.

Q: What repair and service procedures does the Kawasaki Ninja 400 manual cover?

A: The listing covers: Complete 399cc parallel-twin engine rebuild procedures; 6-speed transmission and clutch service instructions; Fuel injection and throttle body synchronization; Cooling system maintenance and troubleshooting; Front fork and rear shock service procedures; ABS and standard brake system diagnostics; Chain and sprocket inspection and adjustment; Valve clearance check and adjustment procedures; Full electrical system diagnostics and repair; Complete wiring diagrams and connector locations; All torque specifications and service limits; Routine maintenance schedules and intervals.

Q: Does the Kawasaki Ninja 400 manual include wiring diagrams?

A: Yes. The table of contents lists "Wiring Diagrams" for the Kawasaki Ninja 400.

Q: Does the Kawasaki Ninja 400 manual list torque specifications?

A: Yes. The listing includes all torque specifications and service limits.

Q: Can I use it to diagnose faults on the Kawasaki Ninja 400?

A: Yes. The listing includes cooling system maintenance and troubleshooting.

Q: Does it include maintenance schedules and service intervals?

A: Yes. The listing includes routine maintenance schedules and intervals.

Q: Will this manual help if my Kawasaki Ninja 400 won't crank or start?

A: Yes. The Electrical System and Wiring Diagrams sections cover the starting and ignition systems, with test procedures and wiring diagrams to find why the engine won't turn over or fire.

Q: Does it cover overheating on the Kawasaki Ninja 400?

A: Yes. The Cooling System section covers the radiator, thermostat, water pump and coolant bleeding, with the specs you need to find why it runs hot.

Q: Will it help if the clutch on my Kawasaki Ninja 400 slips or drags?

A: Yes. The Clutch section covers clutch plate and spring inspection with wear limits, plus clutch adjustment.

Q: Will it help if my Kawasaki Ninja 400 battery keeps going flat?

A: Yes. The Electrical System section covers charging-system tests for the stator and regulator/rectifier with output specs, so you can tell a charging fault from a bad battery.

Q: Does this manual cover earlier or later model years, and which one do I need?

A: This listing covers model years 2018-2020 only. For other years or related models, see: Kawasaki Ninja ZX-10R (2016); Kawasaki Ninja ZX-10R (2021-2023); Kawasaki Ninja 300 (2012-2016); Kawasaki Ninja ZX-6R (2024-2026); Kawasaki Ninja ZX-10R (2010-2014).

Q: Is this the right manual for my Kawasaki Ninja 400?

A: It is the right manual if your machine is one of the models listed under Models Covered and was built in 2018-2020. If you are not sure, message us with your model and year and we will point you to the correct listing.

Q: How do I receive this manual?

A: You will receive a download link in your email immediately after purchase. The download link will also appear on your checkout page. No physical item is shipped. The PDF works on any PC, Mac, tablet, or phone and requires free Adobe Acrobat Reader.

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