Kawasaki Jet Ski 900 ZXi / 750 ZXi Service Manual, 1995–2004 (P/N 99924-1188-01)

This is the 1995 first edition of the Kawasaki Jet Ski Service Manual, P/N 99924-1188-01. Kawasaki’s model application table lists the 900 ZXi (JH900-A1) and 750 ZXi (JH750-C1) for 1995. The manual gives separate service information for the three-cylinder and vertical-twin two-stroke engines.

PDF Search, Bookmarks, and Wiring Readability

Finding procedures and wiring details: OCR text search works across chapters, although recognition errors can cause missed matches. Embedded bookmarks open chapters and selected procedures. Small labels on the two wiring diagrams need magnification, and some wire-color codes around crowded connectors remain difficult to read even when enlarged.

The download is one printable, English-language 216-page PDF. The total includes 215 manual pages, counting the original covers and eight blank separator pages, plus one additional cover page.

Engine Overhaul, Jet Pump Service, and Electrical Tests

These selected highlights show the kinds of work covered. Other topics include throttle and choke cable service and fuel tank check-valve inspection.

• Engine repair: Engine removal and installation, step-by-step crankcase splitting and reassembly, compression testing, and inspection of cylinders, pistons, connecting rods, and crankshaft.
• Keihin carburetors: Model-specific synchronization and mixture adjustment, float-arm inspection, carburetor disassembly and assembly, and service for reed valves and flame arresters.
• Oil injection: Oil-pump and hose bleeding for early and late configurations, pump-output testing, and oil-tank removal and cleaning.
• Jet pump and drive: Pump overhaul, impeller inspection and clearance checks, drive-shaft holder service, bearing and seal installation, and coupling alignment.
• Steering and electric trim: Steering-nozzle alignment, steering and trim cable adjustment and replacement, trim motor box service, and trim motor and angle-sensor tests.
• Electrical diagnosis: Separate wiring diagrams for each model, ignition and charging tests, starter-motor repair, and an Electric Trim Nozzle Troubleshooting Guide.

Kawasaki wrote the manual primarily for trained mechanics in an equipped shop. Owners familiar with mechanical work, proper tool use, and workshop procedures can also use it for basic maintenance and repairs.

Engine Repair and Inspection

The top-end chapter includes cylinder-head flatness checks, piston and ring inspection, and cylinder boring and honing guidance. Bottom-end coverage includes magneto flywheel and stator removal and crankshaft runout checks. Water drain valve service applies to the JH750C.

The manual gives crankshaft assembly dimensions and leaves crankshaft disassembly to a properly equipped shop. Component-specific torque tables and exploded views identify where fasteners require specified torque, sealant, or lubrication.

Keihin Carburetors and Oil Injection

The carburetor chapter includes high-altitude mixture guidance. Fuel system diagrams and cable, wire, and hose routing views show the fuel, pulse, and oil line connections. Fuel-pump service covers removal and replacement of the complete unit.

The oil-pump instructions distinguish the early capped bleed fitting from the later fitting with a bleed screw. Separate output specifications let you compare pump performance with the range for each engine.

Jet Pump, Drive Shaft, and Steering

Impeller-to-case clearance checks help assess wear when neither the impeller nor the pump case shows visible damage. Pump service also covers grease seals and shaft O-rings and identifies Impeller Wrench 57001-1228 and Impeller Holder 57001-1393.

Drive-system procedures include shaft runout and coupling-damper inspection. Steering service extends to the handlebar, steering shaft, and bushings.

Ignition, Charging, and Trim Diagnosis

Electrical tests cover the exciter and pickup coils, regulator/rectifier, and CDI igniter. Model-specific CDI resistance charts and a battery charge-time chart support testing. For a trim nozzle that won’t move, the troubleshooting guide helps narrow the fault to the power supply, switch, controller, motor, or sensors before replacing the trim motor box.

CDI testing specifies Kawasaki Hand Tester 57001-983. The manual warns that a megger or a meter with a large-capacity battery can damage the igniter.

Cooling, Exhaust, and Seasonal Maintenance

The exhaust chapter covers the expansion chamber, manifold, and water box muffler. Cooling and bilge service includes hose inspection, breather and filter cleaning, and flushing after saltwater use. The flushing section warns that water backing up through the exhaust can damage the engine.

The periodic maintenance chart covers spark plugs and cable lubrication. The storage chapter covers winterization and return-to-service checks, while the hull chapter covers fittings, bumpers, hood components, and hull replacement.

Fuel-system and ignition work involve flammable gasoline and high voltage. Follow the manual’s safety precautions.

Carburetor and Connecting-Rod Specifications at a Glance

The fuel-system specifications list a 33 mm carburetor venturi for the 900 ZXi and a 35 mm venturi for the 750 ZXi.

For crankshaft inspection, standard connecting-rod big-end radial clearance is 0.018–0.030 mm for the JH900A and 0.018–0.029 mm for the JH750C.