The Kawasaki Ninja 250R, model code EX250J, represents the second generation of this popular entry-level sportbike, produced from 2008 to 2012. Known for its lightweight, agile handling, and approachable power delivery, the Ninja 250R is designed as a beginner-friendly motorcycle that also appeals to budget-conscious riders and commuters seeking sporty styling and fuel efficiency. Its distinctive Ninja design cues, inherited from larger Kawasaki models, contribute to its aggressive aesthetic. This model features a liquid-cooled, 4-stroke, parallel-twin engine with a displacement of 249 cc, delivering approximately 32-34 horsepower. The motorcycle is built around a steel diamond frame, providing rigidity and stability, and is equipped with front and rear disc brakes for reliable stopping power. This comprehensive factory service manual provides detailed information for the maintenance and repair of the Kawasaki Ninja 250R (EX250J) models from 2008 to 2012. It covers all essential aspects of the motorcycle, including complete engine and transmission disassembly, inspection, and assembly, as well as detailed procedures for the electrical system, chassis components, and bodywork. The manual includes routine maintenance schedules, fluid specifications, troubleshooting guides for common issues, and step-by-step repair instructions. With its extensive coverage of systems, diagnostics, and technical specifications, this manual is an indispensable resource for owners, mechanics, and technicians aiming to keep their Ninja 250R in optimal condition. 🏷️ Basic Information Identification Make: Kawasaki Model: Ninja 250R Model Code: EX250J (2008-2012) Generation Generation Identifier: Second Generation (J-Series) Codes Chassis Code Prefix: EX250 👋 Introduction Market Position Market Segment: Entry-level sportbike, beginner-friendly motorcycle. Target Audience: New riders, commuters, budget-conscious enthusiasts seeking a reliable and easy-to-handle sportbike. Competitive Analysis Key Competitors: Honda CBR250R (later models), Yamaha YZF-R25 (later models), Ninja 300 (successor model). Key Features Vehicle Features: Lightweight, agile handling, fuel-efficient, approachable power delivery, distinctive Ninja styling. Manual Value Proposition Manual Value: Provides comprehensive factory-level repair and maintenance data, essential for DIY owners and independent shops to maintain the Ninja 250R in optimal condition. 📋 Manual Details Coverage Areas Covered Years: 2008, 2009, 2010, 2011, 2012 Page Count Page Count: 523 Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, inspection, assembly, timing, lubrication, cooling system, fuel system (carburetors), emissions control. Transmission: Gearbox internal inspection, maintenance, clutch system, shift mechanism. Electrical: Ignition system, starting system, charging system (alternator, regulator/rectifier), lighting system (headlight, tail light, turn signals), battery, fuses, wiring diagrams, instrument cluster. Chassis: Frame inspection, suspension (front fork, rear shock absorber), steering system, wheels, tires, brakes (front and rear disc brakes), brake system hydraulics. Bodywork: Fairing removal and installation, seat, fuel tank, fenders, body panels. Procedures Included Maintenance: Routine maintenance, oil changes, filter replacements, spark plug replacement, chain adjustment, brake fluid changes, coolant flushes, valve clearance checks. Troubleshooting: Diagnostic charts for common problems, electrical system troubleshooting, engine performance issues, starting problems, braking issues. Repair: Detailed step-by-step repair instructions for all major and minor components, including engine rebuilding, transmission repair, suspension overhauls, and brake system servicing. Disassembly Assembly: Comprehensive instructions for complete disassembly and reassembly of all major motorcycle systems. Engine Performance Tuning: Carburetor adjustment, jetting recommendations (though primarily for stock configuration, useful for understanding stock settings). Chassis Adjustments: Suspension setup guidance, steering head bearing adjustment, wheel bearing maintenance. Technical Depth Depth: Comprehensive, from basic maintenance to full engine and component rebuilding. Includes detailed torque specifications, tolerances, and diagnostic procedures. Diagnostic Tools: Provides specifications and procedures that can be utilized with basic mechanic's tools and diagnostic knowledge. Electrical Diagnostics: Detailed troubleshooting flowcharts and voltage/resistance checks for electrical components. Manual Completeness Completeness Level: Factory original, comprehensive coverage for all aspects of maintenance and repair. 📊 Manual Specifications File Format File Format: PDF Searchability: Text-searchable Print Quality Print Quality Recommendation: High-resolution, suitable for printing all pages. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, parallel-twin Displacement: 249 cc Bore X Stroke: 55.0 x 52.4 mm Compression Ratio: 12.4:1 Valve Train: DOHC, 8 valves (4 per cylinder) Performance Horsepower Approximate: 32-34 HP @ 11,000 rpm Torque Approximate: 16-18 lb-ft @ 10,000 rpm Fuel System Carburetion: Two Keihin CVK30 carburetors Fuel Type: Unleaded gasoline, 87 octane minimum Lubrication Oil Type: SAE 10W-40 API SG or higher, JASO MA certified Oil Capacity With Filter: 1.7 L (1.8 US qt) Cooling System Coolant Type: Kawasaki-specific or equivalent ethylene glycol-based coolant (50/50 mix with distilled water) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet, multiple disc Features Final Drive: O-ring sealed chain Gear Ratios: Refer to manual for specific ratios (e.g., 1st: 2.785, 2nd: 1.941, 3rd: 1.555, 4th: 1.333, 5th: 1.150, 6th: 1.000) 📐 Dimensions Exterior Overall Length: Approx. 2000 mm (78.7 in) Overall Width: Approx. 720 mm (28.3 in) Overall Height: Approx. 1050 mm (41.3 in) Wheelbase: Approx....