Kawasaki Ultra 250X Jet Ski Watercraft Service Manual - Complete Maintenance Guide

2007–2008 Kawasaki Ultra 250X Technical Service Documentation

• Covers 2007–2008 Kawasaki Ultra 250X Jet Ski personal watercraft equipped with the 1498 cm³ supercharged 4-stroke engine
• Official OEM publication containing 506 pages of technical specifications, assembly sequences, and electrical wiring diagrams
• Includes 124 pages of system-specific exploded-view diagrams and comprehensive torque-value specification tables for engine, drive, and hull components
• Detailed diagnostic procedures for the Kawasaki Digital Fuel Injection (DFI) system, including sensor resistance and voltage reference values
• Accessible from your device as soon as the order is placed
• Suitable for printing individual sections for shop-floor use
• This 2007–2008 reference serves as the primary factory documentation for the JT1500B-series watercraft maintenance and engine rebuilds

System Coverage and Maintenance Walkthrough

The 2007–2008 Kawasaki Ultra 250X service manual is organized into 16 distinct chapters covering all critical watercraft systems. The documentation transitions from general setup, including diagnostic system requirements and unit conversion tables, into specific procedures for periodic maintenance. Technical sections provide clear instructions for fuel system management, including fuel pump and DFI injector testing, along with specialized engine lubrication and supercharger drive belt maintenance. The manual provides the necessary service data for the engine top end, bottom end, cooling and bilge systems, jet pump, steering linkage, and the electrical harness configuration.

Engine and Fuel System Specifications

Technical depth is provided through detailed tables and diagnostic parameters for the 1498 cm³ 4-stroke power unit. The 2007–2008 Kawasaki Ultra 250X engine idle speed is specified at 1,300 ±100 rpm in both wet and dry conditions. Engine oil capacity is documented at 5.0 liters for a dry engine. Cylinder head bolt torque values are specified in a multi-stage process for the M11 fasteners, with the final stage listed at 69 N·m. Intake valve clearance is specified at 0.15–0.24 mm. Throttle sensor input voltage is documented at 4.75–5.25 V DC. This 506-page factory publication provides the official specifications and system architecture for the complete 2007–2008 Kawasaki Ultra 250X Jet Ski maintenance and technical service program.