Starter assembly for KAWASAKI NINJA 400 EX400 with 9-tooth pinion, compatible with OEM quality starters.

This is a complete starter motor direct from the manufacturer with an integrated 9-tooth drive pinion, specifically designed for the lightweight Kawasaki NINJA 400 (EX400) sport motorcycle. This factory-made, ready-to-use starter motor serves as a direct replacement for original starters with worn carbon brushes, ignition coils, or pinions, or a solenoid switch that has failed due to long-term use. It restores quick and reliable starting to the high-revving twin-cylinder engine. [Compatible Models] Compatible Models: Kawasaki NINJA 400 (EX400) (2018 and newer models, please check). Important Note: This is a complete starter assembly. The NINJA 400 (EX400) has been known for its high reliability since its market launch in 2018. Please ensure that your vehicle is indeed a NINJA 400 (EX400 platform) before purchasing. We strongly recommend comparing your old starter with the product image to ensure that the shape, mounting flange, electrical connections (plug type), and wiring harness are an exact match. 【Detailed Specifications and Product Benefits】

Lightweight and powerful starter: Optimized for a high-revving 400cc twin-cylinder engine, it guarantees high starting torque while maintaining a compact and lightweight design to improve the overall performance of the vehicle.

Optimal response: The optimized internal electromagnetic design ensures a quick and smooth start – ideal for road use and occasional track days.

Robust and reliable: Robust housing with wear-resistant carbon brushes and heavy-duty bearings.

The 9-tooth alloy steel drive gear is heat-treated for increased durability. Original equipment specifications: Manufactured to the exact dimensions and electrical connections of the vehicle, it ensures precise engagement with the flywheel ring gear and a seamless connection between the mounting point and the wiring harness. Built-in protection: A powerful, integrated one-way clutch (freewheel) prevents damage from engine misfires.