1991 Kawasaki JL650-A1 / SC Jet-Ski Service Manual

Kawasaki Jet Ski service documentation for the JL650-A1 and SC models. This manual covers maintenance and repair procedures, including part numbers and diagrams. Part No. 99924-1149-01.

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Document Details

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Document Number / Seller:
30657 / Betty Robinson
File Size:
43.52 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Jet Ski
Last updated / verified
Sep 23, 2025

Models Covered & Key Technical Specifications

Kawasaki JL650-A1 / SC (99924-1149-01) - 1991

Manufacturer Guide | Series Module.

  • Physical Specs: 2.780 m, the overall length defines the watercraft's primary dimensions.
  • Dimensional Limits: The formatter board requires 0.2 mm for standard operation Tolerance.
  • Physical Specs: 200 kg is the standard dry weight value for the watercraft.
  • Dimensional Limits: The hull length requires 1.070 m for optimal structural integrity.
  • Physical Specs: 635 mL is the displacement capacity of the engine.
  • Tension Specs: 25 L defines the fuel tank capacity.

Professional Workshop Service Manual & Technical Specifications

OEM-Grade Quality Overhaul Manual: Jet Ski Kawasaki JL650-A1 / SC Jet-Ski Manual - Maintenance Guide Factory-Grade Repair Procedures (1991) Field-Reference

Coverage-Scope: 1991 Kawasaki JL650-A1 / SC Jet-Ski // Specification-Class: Kawasaki / Jet Ski Logic // Coverage-Scope: Maintenance & Repair Procedures.

Assessment-Element Baseline Calibration-Spec
Engine Displacement 635 mL N/A
Max Horsepower 40.5 kW (55 PS) N/A
Fuel Capacity 25 L (including 3.2 L reserve) N/A
Length 2.780 m N/A
Width 1.230 m N/A
Height 1.070 m N/A

The repository is divided into the following sections: General Information, Fuel System, Engine Lubrication System, Exhaust System, Engine Top End, Engine Removal and Installation, Engine Bottom End, Cooling and Bilge Systems, Drive System, Pump and Impeller, Steering, Hull/Engine Hood, Electrical System, and Storage. This manual documents comprehensive repair and maintenance information for the specified models, ensuring optimal performance and longevity.

Installation guidelines are provided for...

This manual documents diagnostic procedures and exploded views for all major systems, including the fuel and electrical systems. It serves as a crucial reference for identifying components and understanding their assembly. The detailed diagrams are essential for accurate part identification and reassembly.

Maintenance guidelines are included for...

Procedures for periodic maintenance, such as checking all hose clamps, nuts, bolts, and fasteners, are outlined. It also includes guidance on engine oil replacement and filter cleaning to ensure the watercraft remains in top condition. Proper maintenance is key to preventing premature wear and extending the lifespan of the Jet Ski.

Properly requiring an atmosphere of diligent upkeep, the manual emphasizes the importance of specific tools for certain procedures, like a spark plug gap gauge and a compression gauge, ensuring accuracy and preventing damage. Strategic planning for maintenance and repair can significantly enhance the operational life of your watercraft, minimizing unexpected issues and costly interventions.

This manual documents torque specifications for the exhaust system to ensure proper cyclic stress resistance.

FAQ

What **essential** testing parameters are covered for engine compression? keyboard_arrow_down

865 – 1325 kPa (8.8 – 13.5 kg/cm², 125 – 192 psi) open throttle is the usable range for engine compression, with a service limit of 0.05 mm for cylinder head warp.

Check the **correct** diagnostic procedures for ignition system faults. keyboard_arrow_down

Faulty CDI igniter, spark plug gap issues, or weak spark are primary ignition system concerns; troubleshooting involves checking resistance values and connections as detailed from page 13-19 onwards.

What does the **documented** fluid capacity requirements entail? keyboard_arrow_down

3 L is the engine oil capacity, with an oil pump output range of 5.9 – 7.2 mL at 3000 rpm for a 2-minute duration.

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Reviews (2)

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New
This service manual is a must-have for any Kawasaki JET SKI owner. The illustrations are clear and the instructions are straightforward. I had a question about the download, and their support team was quick to assist. Very professional!
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The manual is incredibly detailed and easy to follow. I was able to tackle maintenance tasks I never thought I could handle! Plus, the download process was smooth, and I received the link in no time. Highly recommend!