This manual provides comprehensive service and repair information for the Kawasaki Ninja EX250, covering the 2nd Generation models produced from 2008 through 2012. Known for its aggressive sportbike styling and approachable performance, the Ninja EX250 has served as a popular entry-level motorcycle, praised for its reliability and signature engineering quality. This generation, designated by model codes EX250J and EX250K, features a liquid-cooled, parallel-twin engine and a high-tensile steel frame, offering a balance of performance and user-friendly handling for both new riders and experienced enthusiasts. The purpose of this manual is to guide owners, mechanics, and technicians through all aspects of maintaining and repairing the Kawasaki Ninja EX250. It details routine maintenance procedures, troubleshooting common issues, and complete repair instructions for all major systems, including the engine, transmission, brakes, suspension, and electrical components. With in-depth coverage of technical specifications, wiring diagrams, and diagnostic procedures, this manual ensures that the motorcycle can be kept in optimal condition, maximizing its performance and longevity. 🏷️ Basic Information Identification Make: Kawasaki Model: Ninja EX250 Generation: 2nd Generation (2008-2012) Model Codes: EX250J, EX250K (varies by market) Product Name: Kawasaki Ninja EX250 2008-2012 Service Repair Manual Product Type: Service Repair Manual 👋 Introduction Market Position Segment: Entry-level sportbike, beginner-friendly motorcycle Target Audience: New riders, commuters, sportbike enthusiasts looking for an affordable and reliable machine Competitive Analysis Competitors: Honda CBR250R, Yamaha YZF-R25 (depending on market availability), Hyosung GT250R Key Features Design Philosophy: Aggressive sportbike styling, approachable performance, fuel efficiency Platform Advantage: Reputable Kawasaki engineering, reliable twin-cylinder engine, user-friendly handling Manual Purpose Professional Focus: Prepared primarily for professional service technicians, but also suitable for advanced DIY mechanics. 📋 Manual Details Coverage Areas Years Covered: 2008, 2009, 2010, 2011, 2012 Market Coverage: Global (specific regional variations may exist, but general service procedures apply) Page Count Estimated Page Count: Approximately 400-500 pages (typical for comprehensive service manuals) Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, lubrication, cooling system, fuel system (carburetor), ignition system, exhaust system Transmission: Clutch operation, gearbox disassembly/assembly, shift mechanism, lubrication Brakes: Front and rear brake system maintenance, caliper overhaul, master cylinder service, bleeding procedures, pad/disc replacement Suspension: Front fork service (oil changes, seal replacement), rear shock absorber inspection/replacement, linkage maintenance Electrical: Wiring diagrams, lighting system, starting system, charging system (alternator, battery), ignition system components, fuse/relay identification and testing Chassis And Frame: Frame inspection, steering head bearing service, swingarm maintenance, wheel bearings Fuel System: Carburetor synchronization, jetting, float adjustment, fuel pump (if applicable), fuel tank inspection Bodywork: Fairing removal/installation, seat maintenance, plastic component repair Procedures Included Maintenance: Routine checks, oil changes, filter replacements, chain adjustment, spark plug replacement, brake fluid changes, coolant flushes Troubleshooting: Diagnostic charts for common problems, symptom-based repair guidance Repair: Step-by-step instructions for component disassembly, repair, and reassembly Diagnostics: Component testing, electrical system diagnostics Technical Depth Depth: Comprehensive: Covers from basic maintenance to complete engine and transmission overhauls, including detailed troubleshooting and diagnostics for professional technicians and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Resolution: High-resolution, suitable for printing with clear diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, DOHC, parallel-twin Displacement: 249 cc (249 cm³) Bore X Stroke: 55.0 x 52.4 mm Compression Ratio: 11.0:1 Valve Train: DOHC, 8 valves (4 per cylinder) Performance Horsepower Approx: 30-34 hp @ 10,500 rpm (market dependent) Torque Approx: 15-17 lb-ft @ 8,000 rpm (market dependent) Fuel System Fuel Delivery: Carburetor (Two Keihin CVK34 carburetors) Fuel Type: Unleaded gasoline, minimum 87 octane Cooling System Cooling Method: Liquid-cooled Coolant Type: Kawasaki Coolant (or equivalent mixture of ethylene glycol and distilled water 50/50) Lubrication Oil Type: SAE 10W-40 API SG, SH, SJ, SL or SM, JASO MA or MA2 Oil Capacity With Filter: 1.7 L (1.8 US qt) 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet, multiple disc Features Gear Ratios: Refer to manual for detailed gear ratios (typically 1st: 2.833, 2nd: 1.941, 3rd: 1.556, 4th: 1.333, 5th: 1.150, 6th: 1.000) Final Drive: Sealed O-ring chain Transmission Oil Transmission Oil Type: SAE 80 API GL-4 (common for manual gearboxes, verify with manual for exact specification) Transmission Oil Capacity: Approximately 0.6 L (0.63 US qt) 📐 Dimensions Exterior Length: Approx. 2000 mm (78.7 in) Width: Approx. 700 mm (27.6 in) Height: Approx. 1100 mm (43.3 in) Wheelbase: Approx. 1370 mm (53.9 in) Ground Clearance: Approx. 155 mm (6.1 in) Weights Curb Weight: Approx. 168 kg (370 lbs) Fuel Tank Capacity: 17 L (4.5 US gal) Wheels And Tires Front Tire Size: 110/70-17 M/C 54H Rear Tire Size: 130/70-17 M/C 62H Wheel Type: 3.50 x 17 front, 4.00 x 17 rear (Alloy) 🛡️ Safety Features Ratings Safety...