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Starter Motor for Kawasaki JS440 JS550 Jet Ski 1976-1995 21163-3710 18305

Starter Motor for Kawasaki JS440 JS550 Jet Ski 1976-1995 21163-3710 18305

SKU:410-44020

Regular price £83.40 GBP
Regular price £100.08 GBP Sale price £83.40 GBP
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Free shipping over £150. Terms apply

Kawasaki JS440 JS550 Starter Motor

Premium Replacement for 1976-1995 Jet Ski Models

Restore the reliable starting power of your vintage Kawasaki watercraft with this premium 4Drive aftermarket starter motor. Specifically designed for the harsh marine environment, this unit features high-quality magnets and copper contacts to deliver maximum torque for fast, efficient engine starts even in cold or wet conditions.

RELIABILITY: Built with sealed housings and moisture-resistant bearings to prevent internal corrosion and ensure long-term performance on the water.

Key Features

  • ✔ Direct fit replacement for easy installation
  • ✔ 100% brand new (Not Remanufactured)
  • ✔ High-torque motor for rapid ignition
  • ✔ Precision-machined 9-tooth gear

Technical Specs

Voltage 12V
Rotation CCW (Counter Clockwise)
Teeth 9 Teeth
Power 0.6 kW / 0.8 HP
Type PMDD

Compatibility / Fitment Guide

Make/Application Year Range Notes
Kawasaki JS400 1976 All 400cc Models
Kawasaki JS440 1977-1992 All 436cc Models
Kawasaki JS550 / 550SX 1982-1995 All 530cc Models

OEM Cross Reference

Kawasaki: 21163-3710, 21163-3711, 21163-5031, 21163-3003F, 21163-3003G
Hitachi: S108-61, S108-61A, S108-61B, S108-116, S108-61G
Lester: 18305
Other References: Arrowhead SND0031, J&N 410-44020, API S108-61R

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part from 4Drive, manufactured to meet or exceed original equipment (OE) standards for fitment and marine-grade performance.

How do I know if it is compatible?

Verify the OEM part number on your original starter against the reference list above. If your part matches 21163-3710 or S108-61, this unit is a direct fit.

Will this handle salt water use?

Yes, this starter is designed for PWC applications with corrosion-resistant coatings and internal seals specifically intended for marine environments.

Note: Professional installation is recommended. Please ensure battery cables are clean and tight for optimal starting performance. Visit 4drive.co.uk for technical support.

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Shipping calculated at checkout. Free shipping over £150. Terms apply