The Kawasaki JH750, manufactured in 1998 under the chassis code JH750-A1, represents a robust personal watercraft from Kawasaki's esteemed marine division. This model is powered by a 742 cc, two-stroke, inline 3-cylinder engine, delivering approximately 100 horsepower, and features a direct-drive jet pump propulsion system. Known for its sporty performance and reliability, the JH750 is designed for recreational use, offering an engaging experience on the water. Its construction emphasizes durability, with a water-cooled engine, Mikuni carburetors for fuel delivery, and a hull designed for stability and maneuverability.
This Factory Service Repair Manual provides comprehensive guidance for the maintenance, adjustment, repair, and troubleshooting of the Kawasaki JH750. It covers essential mechanical systems, including the engine, fuel, cooling, lubrication, exhaust, and drive systems, as well as electrical systems such as ignition, charging, and starting. Detailed procedures for disassembly, assembly, and component repair are included, along with crucial torque specifications and wiring diagrams. This manual is an indispensable resource for DIY enthusiasts, home mechanics, and professional technicians seeking to ensure the optimal performance and longevity of their JH750 Jet Ski.
Product Category:
Personal Watercraft (Jet Ski)
Target User:
DIY enthusiasts, home mechanics, professional technicians
Competitors:
Sea-Doo, Yamaha WaveRunner
Manual Utility:
Essential for maintaining performance and longevity of the JH750
Comprehensiveness:
Covers all aspects of repair and maintenance, from basic checks to complex overhauls
Primary Coverage:
Comprehensive service and repair for Kawasaki JH750 Jet Ski
Engine Coverage:
Engine disassembly, assembly, maintenance, and troubleshooting
Fuel System Coverage:
Carburetor adjustments, fuel pump, fuel lines, and tank servicing
Cooling System Coverage:
Cooling passages, jet pump, heat exchanger, and water routing
Electrical System Coverage:
Ignition system, starting system, charging system, wiring diagrams, and electronic components
Drive System Coverage:
Jet pump assembly, drive shaft, impeller, and related components
Hull And Deck Coverage:
Hull construction, deck removal, seat, handlebars, and fairing components
Steering And Control Coverage:
Steering system, throttle control, and rider interface components
Total Pages:
Approximately 300-400 pages (typical for factory service manuals of this era)
Type:
Factory Service Repair Manual
Purpose:
Repair, adjustment, maintenance, and troubleshooting
Primary Language:
English
Digital Format:
PDF (most common for sales)
Mechanical Systems:
Engine, fuel, cooling, lubrication, exhaust, drive system, steering
Electrical Systems:
Ignition, charging, starting, lighting, sensors, ECU (if applicable)
Structural Components:
Hull, deck, seat, handlebars, footwells
Maintenance Procedures:
Scheduled maintenance, fluid changes, filter replacements, spark plug service
Disassembly And Assembly:
Complete component disassembly and reassembly with torque specifications
Repair Procedures:
Detailed steps for repairing specific components and systems
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon issues
Adjustment Procedures:
Carburetor tuning, idle speed, cable adjustments
Wiring Diagrams:
Complete electrical system schematics for accurate diagnosis
Diagnostic Capabilities:
Advanced diagnostics, fault code interpretation (if applicable)
Rebuild Information:
Detailed engine and jet pump rebuild instructions
Special Tool Requirements:
Identification of necessary special tools for specific procedures
Searchability:
Searchable text content
Resolution:
High-resolution scans for clear diagrams and text
Engine Type:
Two-stroke, inline 3-cylinder marine engine
Bore X Stroke:
70.0 mm x 64.0 mm (typical for this engine family)
Cooling System:
Water-cooled
Ignition System:
Digital CDI
Horsepower:
100 HP @ 7000 RPM (approximate, based on model variations)
Torque:
N/A (Torque figures less commonly published for PWC engines in service manuals)
Fuel Delivery:
Mikuni Carburetors (likely dual carburetors)
Fuel Type:
Unleaded gasoline (minimum 87 octane)
Fuel Tank Capacity:
17 Liters (approximately)
Type:
Direct Drive Jet Pump Propulsion
Options:
N/A (Single drivetrain configuration)
Impeller:
Axial flow jet pump with impeller
Length:
2.72 meters (approximate)
Width:
1.18 meters (approximate)
Height:
1.00 meters (approximate)
Dry Weight:
Approximately 190 kg
Weight Capacity:
2-3 Riders (depending on rider weight)
Coast Guard Certification:
Certified by the U.S. Coast Guard for required safety standards
Kill Switch:
Lanyard-style emergency shut-off system
Non Slip Deck:
Textured deck surfaces for enhanced grip
Floatation Construction:
Positive floatation built into the hull construction
Handholds:
Integrated handholds for passenger security
Display Type:
Analog gauges (speedometer, tachometer) and indicator lights
Features:
Basic instrument cluster for essential operational data
Assistance Systems:
N/A (No electronic driver assistance features typical for this era)
Connectivity Options:
N/A (No external connectivity features)
Oil Change Engine:
Every 50-100 operating hours or annually (refer to manual for exact specification)
Spark Plug Replacement:
Every 100-200 operating hours or as needed based on inspection
Impeller Inspection:
Regular inspection for wear and damage, especially after operating in sandy or shallow conditions
Fuel Filter Replacement:
Annually or as required if fuel contamination is suspected
2 Stroke Oil Type:
NMMA TC-W3 certified 2-stroke marine oil (Specific Kawasaki branded oil recommended)
Coolant Type:
Fresh water or a 50/50 mix of antifreeze and distilled water (if winterized)
Carburetor Fouling:
Can occur with stale fuel or improper storage, leading to poor running
Water In Fuel:
Can cause engine misfires and running issues
Jet Pump Wear:
Impeller and wear ring can be damaged by debris or excessive use
Engine Seizure:
Rare, but can occur due to lubrication failure or overheating
Manufacturer Origin:
Kawasaki Heavy Industries, Japan
Marine Division Focus:
Long-standing reputation for high-performance marine engines and personal watercraft
Jh750 Positioning:
Part of Kawasaki's popular line of 3-cylinder, 2-stroke Jet Ski models offering a balance of performance and reliability
Production Years:
Manufactured during the late 1990s, with the 1998 model being a key iteration
Market Reputation:
Kawasaki Jet Ski models are generally well-regarded for their sporty performance and durability.
Owner Satisfaction:
Consistent positive feedback from owners regarding performance and engine robustness when properly maintained.
