Market Segment:
High-performance personal watercraft.
Target Audience:
Owners and professional mechanics of the Kawasaki JH900.
Competitors 1993:
Included models from Yamaha (e.g., WaveRunner series) and Sea-Doo.
Distinguishing Features Vehicle:
Known for its powerful engine and sport-oriented handling for its era.
Manual Utility:
Essential for maintaining optimal performance, longevity, and safe operation of the JH900.
Manual Comprehensiveness:
Provides detailed, factory-authorized procedures, ensuring accuracy and completeness.
Primary Coverage:
Repair, maintenance, and adjustments for the Kawasaki JH900 (1993 model year).
Secondary Coverage:
Troubleshooting, disassembly, assembly, and inspection procedures.
Estimated Page Count:
Varies based on specific factory publication, typically 300-500 pages for comprehensive coverage.
Type:
Factory Service Manual
Engine:
Detailed disassembly, assembly, inspection, and repair of the engine, including cylinder head, pistons, crankshaft, lubrication system, and cooling system.
Fuel System:
Carburetor adjustment, cleaning, rebuilding, fuel pump, fuel tank, and fuel lines.
Ignition System:
Ignition timing, spark plugs, coils, and CDI unit inspection.
Exhaust System:
Inspection and replacement of exhaust components.
Cooling System:
Radiator, hoses, thermostat, and coolant flow diagnosis.
Drivetrain:
Propulsion system (jet pump), impeller, drive shaft, and associated components.
Electrical System:
Wiring diagrams, battery, charging system, lighting, and starter system.
Hull And Deck:
Inspection, repair, and maintenance of the hull, deck, seats, and storage compartments.
Steering System:
Handlebar, steering cable, and linkage inspection and adjustment.
Safety Features:
Lanyard kill switch, bilge pump operation, and general safety precautions.
Routine Maintenance:
Oil changes, spark plug replacement, filter cleaning/replacement, battery maintenance.
Troubleshooting:
Diagnostic charts and step-by-step troubleshooting for common problems.
Disassembly And Assembly:
Complete procedures for removing and reinstalling all major components and sub-assemblies.
Repair Procedures:
Detailed instructions for component repair, including machining and component replacement.
Inspection And Testing:
Procedures for checking tolerances, pressures, electrical continuity, and operational functionality.
Cleaning And Lubrication:
Specific instructions for cleaning and lubricating various parts during maintenance and reassembly.
Wiring Diagrams:
Comprehensive electrical schematics for fault diagnosis and component identification.
Depth:
Comprehensive, covering from basic user adjustments to complete engine rebuilds and detailed system diagnostics.
Diagnostic Capabilities:
Provides diagnostic procedures for identifying malfunctions in all major systems.
Rebuild Instructions:
Detailed step-by-step instructions for rebuilding engine, transmission, and other key components.
Engine Type:
2-stroke, 3-cylinder, inline
Bore X Stroke:
72.0 mm x 73.0 mm
Cooling Method:
Liquid-cooled
Power Output:
Approximately 110-115 HP (figures can vary slightly by region and tuning).
Fuel Requirement:
Unleaded gasoline, minimum octane rating of 91 (AKI).
Lubrication System:
Oil injection system (pre-mix typically not recommended).
Carburetor Type:
Triple Mikuni VM34SS carburetors
Fuel Delivery:
Electric fuel pump
Length:
Approximately 105.9 inches (2690 mm)
Width:
Approximately 46.1 inches (1170 mm)
Height:
Approximately 37.4 inches (950 mm)
Dry Weight:
Approximately 441 lbs (200 kg)
Fuel Capacity:
Approximately 4.5 gallons (17 liters)
Oil Capacity:
Refer to manual for specific oil injection tank capacity.
Display Type:
Basic analog gauges (speedometer, tachometer, fuel gauge, warning lights).
No Advanced Driver Assistance:
No electronic driver assistance features typical of modern vehicles.
No Connectivity Features:
No onboard computer, Bluetooth, or smartphone integration.
Engine Oil Change:
Refer to manual; typically after initial break-in and then seasonally or based on operating hours.
Spark Plug Replacement:
Refer to manual; typically every 50-100 operating hours or annually.
Air Filter Cleaning:
Refer to manual; recommended to inspect and clean periodically, especially in dusty environments.
Impeller Inspection:
Refer to manual; recommended inspection for wear and damage after significant use or for winterization.
Engine Oil Type:
Specific 2-stroke marine engine oil, meeting API TD or TCW3 specifications (refer to manual for exact Kawasaki recommendation).
Coolant Type:
Ethylene glycol based antifreeze suitable for marine applications (e.g., green or pink).
Gear Oil Type:
Not applicable for direct drive propulsion system.
Carburetor Clogging:
Common in older 2-stroke engines due to fuel degradation or debris.
Cooling System Blockages:
Can occur from salt or debris build-up in the cooling passages, impacting engine temperature.
Electrical Connections:
Corrosion on electrical connections can lead to intermittent faults or system failures.
Drive Shaft Seals:
Wear on drive shaft seals can lead to water ingress into the drive system.
Kawasaki Motorsports Legacy:
Kawasaki has a long-standing history in motorsports, including motorcycles and marine products, known for performance engineering.
Predecessors Successors:
Part of Kawasaki's early Jet Ski lineup, evolving from earlier models and influencing later designs.
Manufacturing Period:
Produced in the early to mid-1990s.
Original Purpose:
Designed for recreational use and performance-oriented personal watercraft activities.
