The Kawasaki Ninja EX250, also known by its chassis codes EX250K8F through EX250KCF, represents a significant offering in the entry-level sportbike segment. Produced between 2008 and 2012, this model is celebrated for its aggressive styling, mirroring its larger Ninja siblings, and its approachable performance tailored for new riders and urban commuters. Powered by a 249 cc liquid-cooled, 4-stroke parallel-twin engine with fuel injection, it delivers an engaging yet manageable riding experience, complemented by a responsive 6-speed transmission. Its design philosophy emphasizes a balance of sporty aesthetics and practical usability, making it a popular choice for those seeking an economical and nimble sportbike experience. This comprehensive Factory Service Manual provides essential information for the maintenance and repair of the Kawasaki Ninja EX250 models from 2008 to 2012. It covers a wide array of mechanical and electrical systems, including detailed procedures for engine, transmission, clutch, fuel, cooling, lubrication, chassis, suspension, braking, and steering. The manual also includes extensive electrical system diagnostics, wiring diagrams, and troubleshooting guides for various components. Owners and technicians will find step-by-step instructions for scheduled maintenance, component overhauls, and repair procedures, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Kawasaki Model: Ninja EX250 Generation Generation Designation: EX250-K Codes Chassis Codes: EX250K8F, EX250K9F, EX250KAF, EX250KBF, EX250KCF 👋 Introduction Market Position Segment: Entry-level sportbike, Lightweight sportbike, Beginner motorcycle Competitive Analysis Key Competitors Era: Honda CBR250R, Suzuki GS500F (competitor in performance/price class), Yamaha YZF-R3 (later competitor), Ninja 300 (successor model) Key Features Design Philosophy: Aggressive styling inspired by larger Ninja sportbikes, approachable performance for new riders. Target Audience: New motorcyclists, urban commuters, riders seeking an economical and nimble sportbike experience. 📋 Manual Details Coverage Areas Years Covered: 2008, 2009, 2010, 2011, 2012 Page Count Estimated Page Count: Approx. 300-500 (Typical for a WSM of this era, exact count not provided in source) Manual Type Type: Factory Service Manual (WSM - Workshop Service Manual) Language Language: English Format Format: Digital (likely PDF, based on common aftermarket offerings) 📖 Manual Coverage Systems Covered Mechanical Systems: Engine, Transmission, Clutch, Fuel System, Exhaust System, Cooling System, Lubrication System, Chassis, Suspension (Front & Rear), Braking System, Wheels & Tires, Steering System Electrical Systems: Ignition System, Lighting System, Starting System, Charging System, Instrumentation, Wiring Diagrams, Troubleshooting Electrical Faults Procedures Included Maintenance Procedures: Scheduled Maintenance, Oil Changes, Filter Replacement, Chain Adjustment, Spark Plug Replacement, Air Filter Cleaning/Replacement, Brake Fluid Flush, Coolant Flush Repair Procedures: Engine Overhaul (Top-end & Bottom-end), Transmission Repair, Clutch Replacement, Carburetor Rebuilding, Suspension Component Replacement, Brake Caliper Overhaul, Electrical Component Diagnosis and Replacement Technical Depth Diagnostic Capability: Detailed troubleshooting guides, diagnostic flowcharts, fault code identification (if applicable to the model's diagnostics). Rebuild Instructions: Comprehensive instructions for engine, transmission, and suspension component rebuilds with torque specifications and clearances. 📊 Manual Specifications File Format Digital Format Details: Searchable PDF, High-resolution scans of original factory manual pages. Print Quality Print Quality: N/A (digital product) Binding Type Binding Type: N/A (digital product) Paper Type Paper Type: N/A (digital product) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, DOHC, parallel-twin Displacement: 249 cc (Cubic Centimeters) Bore X Stroke: 55.0 x 52.4 mm (Millimeters) Compression Ratio: 11.7:1 Performance Horsepower Est: Approx. 30-34 PS (Pferdestärke) / 22-25 kW @ ~11,000 rpm (Exact figures vary by region and specific model year, manual provides exact dyno charts and power curves) Torque Est: Approx. 22-24 Nm @ ~9,000 rpm (Exact figures vary by region and specific model year) Fuel System Fuel Delivery: Fuel Injection (EFI) - Keihin throttle bodies (specific model year dependent, earlier models may have carburetors, manual covers injection for this range) Fuel Type: Unleaded gasoline, minimum octane rating 87 (RVP 9.0 psi) Ignition Ignition System: Digital CDI with electronic ignition advance Lubrication Lubrication System: Forced lubrication (wet sump) Cooling Cooling System: Liquid-cooled 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh, sequential Optional Optional Transmission: N/A Features Clutch Type: Wet, multiple-disc, cable operated Final Drive: O-ring sealed chain drive 📐 Dimensions Exterior Overall Length: 2004 mm (78.9 in) Overall Width: 719 mm (28.3 in) Overall Height: 1130 mm (44.5 in) Wheelbase: 1370 mm (53.9 in) Ground Clearance: 155 mm (6.1 in) Seat Height: 775 mm (30.5 in) Weights Dry Weight: Approx. 146 kg (321.9 lbs) (Exact varies by spec) Curb Weight: Approx. 163 kg (359.4 lbs) (Approximate, including all necessary fluids and a full tank of fuel) Fuel Capacity: 17 L (4.5 US gal) 🛡️ Safety Features Ratings Safety Certifications: Meets relevant safety standards for motorcycles in primary markets (e.g., DOT, ECE). Active Features Braking System Front: Single 290 mm petal disc with dual-piston caliper Braking System Rear: Single 220 mm petal disc with dual-piston caliper ABS: Optional ABS (Anti-lock Braking System) available on some market variants, check specific model. Manual will detail ABS system diagnostics if equipped. Passive Features Lighting: Halogen headlight, LED taillight 💡 Technology...