CDI Ignition Module for Kawasaki 650 SX 1987–1991 | 21119-3711

Product Overview

Replacement CDI ignition module / ignition coil assembly for 1987–1991 Kawasaki 650 SX (JS650) personal watercraft.

Designed to replace compatible Kawasaki ignition modules including 21119-3711, this integrated ignition component combines CDI/igniter functions with the high-tension ignition output used by the spark plug system.

The unit measures approximately 107 × 69 × 44mm with approximately 89mm mounting-hole spacing.

Before ordering, verify the OEM number, wiring configuration, mounting dimensions, spark plug leads, and original module appearance.

Product Compatibility

Make	Model	Model Code	Year
Kawasaki	650 SX	JS650-A1	1987
Kawasaki	650 SX	JS650-A2	1988
Kawasaki	650 SX	JS650-A3	1989
Kawasaki	650 SX	JS650-A4	1990
Kawasaki	650 SX	JS650-B1	1991

OEM Cross-Reference Numbers

Kawasaki

• 21119-3711
• 21119-3718

21119-3711 is confirmed in Kawasaki 650 SX parts documentation. Verify the original module number and wiring configuration when using other cross-reference numbers.

Specifications

Specification	Details
Product Type	CDI Ignition Module / Ignition Coil Assembly
Vehicle Type	Personal Watercraft / Jet Ski
Make	Kawasaki
Model	650 SX / JS650
Year Range	1987–1991
Length	Approx. 107 mm / 4.21 in
Width	Approx. 69 mm / 2.72 in
Thickness	Approx. 44 mm / 1.73 in
Mounting Hole Spacing	Approx. 89 mm / 3.50 in
Listed Spark Plug Mounting Diameter	Approx. 9 mm / 0.35 in
Housing Material	ABS / Plastic
Primary OEM Reference	21119-3711
Condition	New
Package Quantity	1 CDI Ignition Module

Key Features

• 650 SX Application: Designed for compatible 1987–1991 Kawasaki 650 SX / JS650 personal watercraft.
• Integrated Ignition Component: Combines ignition-control and high-tension ignition functions in one assembly.
• OEM-Based Fitment: Cross-references Kawasaki 21119-3711 and related ignition-module numbers.
• 89mm Mounting Reference: Provides an additional physical measurement for fitment verification.
• PWC Ignition Replacement: Designed to replace a compatible damaged or failed original ignition module.