Starter Motor for Kawasaki Ninja 400 EX400 Z400 2018–2023 | OEM 21163-0782

Product Overview

Restore reliable starting performance to your Kawasaki motorcycle with this 9-tooth electric starter motor, designed for select Kawasaki Ninja 400 / EX400 and Z400 / ER400 models.

Built to replace OEM reference numbers 21163-0782 and 21163-0794, this starter motor helps solve common starting problems such as slow cranking, no-start issues, starter clicking without turning the engine, weak starter engagement, or failure of the original electric starter motor.

Manufactured with a durable metal housing, carbon brush design, and heavy-duty internal motor components, this starter motor is built to deliver dependable starting power for daily street riding, sport riding, and regular start-stop use.

Product Compatibility

This 9T CCW electric starter motor is compatible with the following Kawasaki models:

Brand	Model	Engine / CC	Year Range	Notes
Kawasaki	Ninja 400 / EX400	400cc	2018–2022	Confirmed OEM 21163-0782 applications
Kawasaki	Ninja 400 ABS / EX400 ABS	400cc	2018–2022	Includes select ABS / KRT Edition models
Kawasaki	Z400 / ER400	400cc	2019–2022	Confirm OEM 21163-0782 / 21163-0794
Kawasaki	Z400 ABS / ER400 ABS	400cc	2019–2022	Confirm OEM number before ordering
Kawasaki	Ninja 400 / EX400	400cc	2023–2024	Possible fitment; verify OEM and dimensions
Kawasaki	Z400 / ER400	400cc	2023	Possible fitment; verify OEM and dimensions

OEM Cross Reference

21163-0782, 21163-0794

Specifications

Specification	Details
Part Type	Electric Starter Motor
Voltage	12V
Tooth Count	9 Teeth
Rotation	CCW / Counterclockwise
Power Rating	Approx. 480W
Max Torque Speed	Approx. 5500 RPM
Brush Type	Carbon Brush
Surface Finish	Heavy Duty Metal Finish
Material	Metal housing with internal motor components
Condition	100% New Aftermarket
Fitment Type	Direct Replacement
Installation	Installation instructions not included

Key Features

• Direct Replacement Design – Engineered to replace the original Kawasaki starter motor with matching 9-tooth fitment on compatible Ninja 400, EX400, Z400, and ER400 models.
• Reliable Starting Performance – Helps restore strong cranking power when the original starter motor becomes weak, noisy, intermittent, or fails to engage.
• 9T CCW Configuration – Built with a 9-tooth drive and counterclockwise rotation for compatible Kawasaki 400cc motorcycle applications.
• Durable Motor Construction – Made with a heavy-duty metal housing, carbon brush design, and dependable internal components for long service life.
• Straightforward Installation – Designed for direct replacement when the OEM number, mounting points, tooth count, and connector match.
• Built for Street and Sport Riding – Suitable for daily commuting, weekend riding, and regular start-stop motorcycle use.