This manual covers the Ninja 250R (model code EX250J) from the second generation, produced between 2008 and 2012. Positioned as an entry-level sportbike, the Ninja 250R is renowned for its agile handling, sporty aesthetics, and accessible performance, making it an ideal choice for new riders and urban commuters. Built upon a legacy of performance and reliability, this model offers a blend of everyday usability and spirited riding dynamics, competing in a segment known for its affordability and engaging riding experience. This comprehensive service repair manual in English provides detailed information for the maintenance, repair, and troubleshooting of your Ninja 250R. It covers all major systems, including the engine, fuel system, transmission, electrical system, brakes, suspension, and chassis. Within its approximately 400-600 pages, you will find step-by-step procedures for disassembly and assembly, diagnostic charts, torque specifications, wiring diagrams, and special tool requirements. This resource is designed to assist owners and technicians in keeping the motorcycle in optimal condition, ensuring its longevity and performance. 🏷️ Basic Information Identification Make: Kawasaki Model: Ninja 250R Model Code: EX250J Generation Generation: Second Generation (2008-2012) 👋 Introduction Market Position Market Niche: The Kawasaki Ninja 250R (EX250J) occupies the entry-level sportbike segment, appealing to new riders, commuters, and those seeking an affordable, nimble, and fuel-efficient motorcycle with sporty styling. Competitive Analysis Competitors: Key competitors during its production run included the Honda CBR250R, Yamaha YZF-R25 (in some markets), Suzuki GSX250R (later models), and other similar displacement sportbikes. Key Features Design Philosophy: Designed for agility, ease of use, and affordability, combining sporty aesthetics with practical performance for everyday riding and spirited canyon carving. 📋 Manual Details Coverage Areas Covered Years: 2008, 2009, 2010, 2011, 2012 Market Segment: Sportbike, Entry-level Sportbike Page Count Estimated Page Count: Approximately 400-600 pages (typical for comprehensive service manuals) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF File Format Details: Searchable PDF, allowing for quick access to specific information. Likely contains high-resolution diagrams and schematics. Printability: Printable pages, enabling users to create physical copies of sections or the entire manual for workshop use. 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, including top-end (cylinder head, valves, cams) and bottom-end (crankshaft, connecting rods, pistons) assembly, timing, lubrication system, cooling system. Fuel System: Carburetor (or fuel injection for specific markets if applicable to this generation, though typically carbureted), fuel pump, fuel lines, fuel tank, vacuum lines, fuel filter replacement. Transmission: Clutch assembly, gear shifting mechanism, transmission gears, lubrication, troubleshooting transmission issues. Electrical System: Ignition system (CDI, spark plugs, coils), starting system (starter motor, battery), charging system (alternator, regulator/rectifier), lighting (headlight, taillight, turn signals), wiring diagrams, fuses, relays, diagnostic codes. Brakes: Front and rear brake system maintenance, caliper service, master cylinder overhaul, brake pad replacement, brake fluid flush and bleeding, troubleshooting brake performance. Suspension: Front fork (telescopic) service, oil seals, spring replacement, rear shock absorber maintenance, linkage system inspection and lubrication. Chassis Frame: Frame inspection, steering head bearing service, swingarm removal and maintenance, wheel bearing replacement. Bodywork: Fairing removal and installation, body panel repair, seat maintenance, graphics and decals. Exhaust System: Exhaust pipe and muffler maintenance, gasket replacement, leak detection. Procedures Included Maintenance: Scheduled maintenance intervals, oil and filter changes, air filter cleaning/replacement, spark plug replacement, chain adjustment and lubrication, brake fluid replacement, coolant replacement, valve clearance checks. Troubleshooting: Diagnostic charts for common problems (e.g., starting issues, poor performance, electrical faults), step-by-step troubleshooting guides. Repair: Detailed instructions for component removal, disassembly, inspection, repair, reassembly, and installation for all major vehicle systems. Diagnostics: Procedures for identifying and diagnosing malfunctions, including electrical system testing with multimeters, engine compression testing, and carburetor synchronization. Assembly Disassembly: Detailed step-by-step instructions for disassembling and reassembling every major component and sub-system of the motorcycle. Torque Specifications: Comprehensive list of torque values for all critical fasteners, ensuring proper assembly and preventing component damage. Technical Depth Depth: Comprehensive: Covers everything from basic user maintenance to full engine and transmission rebuilds. Includes detailed torque specifications, clearances, and service limits. Diagnostic Codes: Inclusion of any diagnostic trouble codes (DTCs) if the motorcycle is equipped with an ECU capable of reporting them, along with procedures to read and clear them. Wiring Diagrams: Full electrical system wiring diagrams, color-coded and clearly labeled, facilitating diagnosis and repair of electrical issues. Special Tools: Identification and usage instructions for any specialized tools required for specific maintenance or repair procedures. 📊 Manual Specifications File Format File Type: Digital Document (PDF) Print Quality Image Resolution: High resolution, suitable for clear viewing of diagrams and text. Binding Type Binding Type: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format, printable on standard paper) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, DOHC, parallel-twin Displacement: 249 cc (250cc class) Bore X Stroke: 62.0 mm x 41.2 mm (typical for this generation) Compression Ratio: 11.6:1 (typical) Performance Horsepower: Approximately...