2007-2009 Kawasaki Jet Ski Ultra LX JT1500 Factory Service Manual

• Covers 2007–2009 Kawasaki Jet Ski Ultra LX JT1500 watercraft models, including the base JT1500C variants
• Official 100-page Kawasaki OEM service publication (Third Edition, published June 30, 2008)
• Contains 46 exploded-view diagrams and 39 comprehensive torque-value tables
• Serves as the primary factory reference for the 2007–2009 production cycle, detailing the transition to Digital Fuel Injection (DFI) systems for the JT1500 engine platform

Engine and Fuel System Documentation

The 1,498 cc four-stroke DOHC engine requires precise technical data for accurate troubleshooting and component overhaul. This factory manual breaks down the complete fuel system layout, internal engine dimensions, and critical lubrication parameters. You will find specific factory-approved data for inspecting fuel pumps, adjusting throttle sensors, and servicing the air filter. Standardized baseline figures for engine idle speed, exact valve clearances, and correct spark plug gaps are laid out clearly. Because working on marine fuel systems involves handling pressurized, highly flammable materials, technicians must carefully review the integrated factory safety protocols before servicing the DFI components.

Electrical and Performance Specifications

Accurate diagnostics depend on exact electrical baselines. The publication lists out specific battery charging thresholds, sensor input voltages, and complete, unedited wiring schematics for the Ultra LX platform. It also outlines exact maintenance intervals and parameters for the specialized cooling and bilge systems. Mechanics will find crucial high-performance reference numbers inside, including the minimum oil pressure requirement of 461 kPa and the strict fuel pump discharge standard of 83 mL/3s.