The Ninja 250R, model code EX250, represents the second generation of this popular entry-level sportbike, covering production years from 2008 to 2012. Known for its lightweight design, nimble handling, and fuel-efficient 249cc parallel-twin engine, the Ninja 250R has consistently been a favored choice for new riders and those seeking an accessible, reliable machine for commuting and spirited riding. Its accessible ergonomics and the inherent quality associated with engineering legacy contribute to its reputation for dependability and enjoyable performance. This comprehensive service manual provides detailed information for the maintenance, repair, and troubleshooting of the Ninja 250R EX250. It covers all essential systems, including the engine, transmission, brakes, electrical components, suspension, and chassis. Owners and technicians will find step-by-step procedures, diagnostic guides, technical specifications, torque values, and clear wiring diagrams designed to facilitate efficient and accurate work. The manual aims to empower users to maintain their vehicle's optimal performance and longevity. 🏷️ Basic Information Identification Make: Kawasaki Model: Ninja 250R Model Code: EX250 Years Covered: 2008, 2009, 2010, 2011, 2012 Generation Generation: 2nd Generation (EX250-J) 👋 Introduction Market Position Market Segment: Entry-level sportbike, popular for beginners and commuter use. Competitive Analysis Key Competitors: Honda CBR250R, Suzuki GS500F, Yamaha YZF-R3 (later models). Key Features Bike Attributes: Lightweight, nimble handling, fuel-efficient, reliable parallel-twin engine, accessible ergonomics. Manual Value Proposition Diy Repair Benefit: Empowers owners to perform maintenance and repairs independently, saving costs and ensuring quality of work. Knowledge Acquisition: Provides in-depth understanding of the vehicle's intricacies, beneficial for both novice and experienced riders. 📋 Manual Details Coverage Areas Coverage Summary: Comprehensive service and repair for all aspects of the Kawasaki Ninja 250R EX250 from 2008-2012. Page Count Page Count: Estimated 400-600 pages (typical for comprehensive service manuals) Manual Type Manual Type: Service Manual / Repair Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service Repair: Full engine disassembly, assembly, inspection, tuning, and repair for the 249cc parallel-twin engine. Transmission Service Repair: Clutch operation, gearbox inspection, maintenance, and repair; torque specifications for all fasteners. Brake System: Front and rear brake system maintenance, caliper service, hydraulic fluid replacement, bleeding procedures, disc and pad inspection. Wiring Diagram: Detailed electrical wiring diagrams for all model variations, including lighting, ignition, starting, charging, and accessory circuits. Electrical System: Component testing, troubleshooting of electrical faults, battery service, alternator and starter motor procedures. Suspension: Front fork (telescopic) maintenance, oil changes, seal replacement, rear shock absorber service and adjustment. Steering: Handlebar, steering stem bearing inspection and maintenance, adjustment procedures. Cooling System: Radiator, fan, coolant, thermostat inspection, flushing and refilling procedures. Fuel Injection Fuel System: Fuel pump, injector service, throttle body cleaning, idle speed adjustment, fuel pressure testing. Emission System: Catalytic converter information, evaporative emission control system (EVAP) details. Engine Control System: ECU (Engine Control Unit) information, sensor identification and testing (e.g., TPS, MAP, IAT). Chassis Body: Frame inspection, fairing removal and installation, seat, fuel tank, and body panel service. Restraint System: N/A (Motorcycle - no typical automotive restraint systems like airbags or seatbelts). Axle: Front and rear axle inspection, lubrication, and installation procedures. Procedures Included General Maintenance: Regular checks, cleaning, lubrication, bolt torque checks, fluid level checks. Troubleshooting: Systematic diagnosis of common problems, fault finding guides, symptom-based troubleshooting. Periodic Lubrication: Detailed schedules and types of lubricants for all moving parts, chain maintenance. Disassembly Reassembly: Step-by-step instructions for component removal and installation, with torque specifications. Refurbish Renovate: Guidance on component restoration and cosmetic improvements. Technical Depth Depth Of Coverage: Complete mechanical and electrical repair, from basic maintenance to major component overhauls. Diagnostic Capabilities: Includes diagnostic procedures for electrical systems and engine performance issues. Diagrams Illustrations: Profusely illustrated with diagrams, exploded views, and clear photographs of components and procedures. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, clear text and diagrams suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Software Requirements: Adobe Acrobat Reader, WinZip (or equivalent decompression software). Platform Compatibility Platform Compatibility: Compatible with all Windows and Mac operating systems. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, DOHC, parallel-twin Displacement: 249 cc Bore X Stroke: 55.0 x 52.4 mm Compression Ratio: 12.4:1 Performance Horsepower Peak: Approx. 30.5 PS (22.4 kW) @ 10,500 rpm (varies slightly by market) Torque Peak: Approx. 22 Nm (16.2 lb-ft) @ 8,000 rpm (varies slightly by market) Fuel System Fuel Delivery: Digital Fuel Injection (DFI) Fuel Type: Unleaded gasoline, 87 octane or higher Lubrication Oil Type: API SG or SH, SAE 10W-40 motorcycle oil. Oil Capacity: 1.4 L (1.5 US qt) without filter change; 1.6 L (1.7 US qt) with filter change. 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh Clutch Type: Wet, multi-disc Features Final Drive: Sealed chain, 520 pitch Transmission Fluid: SAE 80W hypoid gear oil 📐 Dimensions Exterior Overall Length:...