🏷️ Basic Information Identification Make: Kawasaki Model: Ninja EX250 Model Variant: EX250J/JFA Model Designation: Ninja 250R Codes Vin Designation: JKA type J 👋 Introduction Market Position Segment: Entry-level sportbike, beginner-friendly motorcycle. Target Audience: New riders, commuting, sport riding enthusiasts seeking an affordable and reliable machine. Competitive Analysis Competitors: Honda CBR250R, Suzuki GS500F (older models), Yamaha R3 (later models), Ninja 300 (later models). Key Features Agility: Lightweight chassis and nimble handling. Affordability: Accessible purchase price and low running costs. Reliability: Proven Kawasaki engineering known for durability. 📋 Manual Details Coverage Areas Years Covered: 2008, 2009, 2010, 2011, 2012 Specific Models Covered: EX250J (North America), EX250JFA (specific markets) Page Count Estimated Pages: Approximately 500+ Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF (Portable Document Format) File Format: PDF Print Quality: High resolution, suitable for printing individual pages or the entire manual. Binding Type Binding Type: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, disassembly, assembly, lubrication, cooling system, fuel system (carburetor specifications, adjustment), ignition system, exhaust system, emissions controls. Transmission: Gearbox removal and installation, internal components, clutch operation, shift mechanism. Chassis: Frame inspection and repair, front fork overhaul, rear suspension system, steering system. Brakes: Front and rear brake system inspection, service, hydraulic system bleeding, pad replacement, caliper service. Electrical System: Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter motor, battery), lighting system (headlight, taillight, turn signals), ignition system components, instrument panel, sensors. Fuel System: Carburetor identification, disassembly, cleaning, reassembly, adjustment, fuel tank and lines. Cooling System: Radiator, fan, thermostat, coolant specifications, bleeding procedures. Bodywork And Trim: Fairing removal and installation, seat, tank cover, fenders. Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, chain adjustment, brake fluid checks, coolant checks, air filter cleaning/replacement. Troubleshooting: Diagnostic charts for common starting problems, running issues, electrical faults, and performance anomalies. Repair: Detailed step-by-step instructions for component removal, installation, and repair across all systems. Rebuilds: Engine top-end and bottom-end rebuild procedures, carburetor rebuilds. Adjustments: Valve clearance adjustment, idle speed adjustment, carburetor synchronization (if applicable), clutch and throttle cable adjustments. Technical Depth Depth: Comprehensive (from basic maintenance to complete engine teardowns and electrical system diagnostics). ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, DOHC, 8-valve, parallel-twin Displacement: 249 cc (249.8cc) Bore X Stroke: 55.0 x 52.4 mm Compression Ratio: 11.0:1 Cooling System: Liquid-cooled Performance Horsepower: Approx. 30-34 PS (22-25 kW) @ 10,500 rpm (market dependent) Torque: Approx. 20-22 Nm (15-16 lb-ft) @ 8,000 rpm (market dependent) Fuel System Fuel Delivery: Carburetor (Dual Keihin CVK32) Fuel Type: Unleaded gasoline, 91 octane (or higher) recommended Ignition Ignition System: Digital CDI Lubrication Oil Type: SAE 10W-40 API SG or SH Oil Capacity: 1.7 L (1.8 US qt) with filter change 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch: Wet, multiple-disc Final Drive: Sealed chain Features Gear Ratios: Refer to manual for specific ratios. 📐 Dimensions Exterior Length: 2,000 mm (78.7 in) Width: 750 mm (29.5 in) Height: 1,100 mm (43.3 in) Wheelbase: 1,370 mm (53.9 in) Ground Clearance: 155 mm (6.1 in) Seat Height: 775 mm (30.5 in) Weights Dry Weight: Approximately 154 kg (340 lbs) Wet Weight: Approximately 167 kg (368 lbs) Fuel Tank Capacity: 18 L (4.8 US gal) 🛡️ Safety Features Ratings Crash Test Ratings: Not typically rated by consumer safety organizations like NHTSA/IIHS for motorcycles. Active Features Braking System: Front: Single 290mm petal disc with 2-piston caliper. Rear: Single 220mm petal disc with 2-piston caliper. (Some models may have optional ABS, but uncommon for this generation EX250). Lighting: Halogen headlight, LED taillight. Passive Features Frame Construction: High-tensile steel diamond frame. Tires Front: 110/70-17 M/C 54H Tires Rear: 130/70-17 M/C 62H 💡 Technology Features Infotainment Display: Analog tachometer, digital speedometer, odometer, trip meters, fuel gauge, clock. Lighting Technology: Halogen headlight, LED taillight for better visibility and reduced power draw. Driver Assistance ABS: Anti-lock Braking System (ABS) was not standard or widely available on the 2008-2012 EX250 Ninja in most markets. Connectivity Connectivity Features: None (This era of motorcycle predates widespread connectivity features like Bluetooth or smartphone integration). 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000 km (3,700 miles) or 6 months, whichever comes first. Air Filter Cleaning: Every 12,000 km (7,500 miles). Spark Plug Replacement: Every 18,000 km (11,000 miles). Valve Clearance Check: Every 12,000 km (7,500 miles). Coolant Change: Every 24,000 km (15,000 miles) or 2 years. Fluid Specifications Engine Oil Viscosity: SAE 10W-40 Coolant Type: Kawasaki Long Life Coolant (50/50 mix of ethylene glycol and distilled water) or equivalent. Brake Fluid: DOT 4 Chain Lube: High-quality motorcycle chain lubricant. Known Issues Carburetor Cleaning: Carburetors can become gummed up if the bike sits for extended periods with fuel in them, requiring cleaning and synchronization. Regulator Rectifier: While generally reliable, the regulator/rectifier can be a point...