2007-2010 Kawasaki JET SKI Ultra 250X / 260X / 260LX Service Manual

Kawasaki JET SKI Ultra Series Technical Documentation

• Covers 2007–2010 Kawasaki JET SKI Ultra 250X, 260X, and 260LX watercraft, including JT1500B and JT1500E/F engine-variant configurations
• Official Kawasaki Service Manual, 4th Edition (1) published November 26, 2009
• Contains 47 detailed exploded-view component diagrams, 5 engine-management wiring schematics, and 12 specialized torque specification tables
• File is formatted for shop-floor printing with clear, high-resolution diagnostic text
• Accessible from your device as soon as the order is placed
• This 545-page factory reference remains the definitive source for JT1500-series engine, supercharger, and DFI system maintenance documentation

Engine and DFI System Overview

This factory manual provides an expert-level technical reference for the maintenance and inspection of the Kawasaki JET SKI Ultra 250X, 260X, and 260LX. The document details all major watercraft systems, including the internal DFI (Digital Fuel Injection) components, the supercharger drive system, and the pump assembly. It includes specific procedures for fuel system diagnostics, including self-diagnosis modes and service code character tables for the electronic control unit. The material is organized by system, allowing for quick reference of service limits, inspection requirements, and maintenance intervals for the four-stroke, 1498 cm³ DOHC engine architecture.

Technical Data and Service Parameters

Engine maintenance data is presented in segmented specification tables, covering valve clearance, spark plug gap, and fluid capacities for both B-series and E/F-series models. Torque values are provided for fasteners ranging from the crankshaft sensor screws to the supercharger pulley nuts, documenting precise N·m and ft-lb requirements. Valve clearance for intake valves is specified at 0.15–0.24 mm. The supercharger drive belt tension standard is 500–960 N, measured using the proprietary belt gauge. Maximum generator output is rated at 16 A at 14 V. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. An official 545-page Kawasaki OEM workshop manual covering the 2007–2010 JET SKI Ultra 250X, 260X, and 260LX, documenting engine, chassis, electrical, and fuel-injection specifications for the JT1500-series build.