🏷️ Basic Information Identification Make: Kawasaki Model: Ninja GPX250R Model Nickname: EX250 Vehicle Type: Sportbike Motorcycle Generation First Generation Start Year: 1986 Covered Generation End Year: 2007 Covered Model Years: 1988-2007 Codes Chassis Code Common: EX250-F, EX250-H, EX250-J 👋 Introduction Market Position Segment: Entry-level sportbike / Lightweight sportbike Target Audience: Beginner riders, commuting, sport-touring, track day enthusiasts Competitive Analysis Key Competitors: Honda CBR250R, Yamaha FZR250R, Suzuki GSX250F Katana Key Features Engine Configuration: Parallel-twin, liquid-cooled Design Philosophy: Sporty styling with accessible performance and reliability Manual Benefit: Empowers DIY owners for maintenance, repair, and optimization, saving costs and enhancing ownership experience 📋 Manual Details Coverage Areas Region Of Origin: Global Language: English Manual Type Type: Repair Service Manual Description: Factory/Workshop Manual Format Delivery Method: Digital Download File Formats Provided: PDF, ZIP, RAR, EXE (potentially) Page Count Estimated Pages: 300-700 (typical for this era and scope) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, diagnostics, internal components, lubrication system Fuel System: Carburetor tuning and overhaul, fuel pump, fuel lines, fuel tank maintenance Ignition System: CDI unit, spark plugs, ignition timing, wiring diagrams Transmission: Clutch operation, gearbox disassembly and assembly, gear shift mechanism Cooling System: Radiator, fan, coolant flow, hoses, thermostat Electrical System: Wiring diagrams for all circuits, lighting, starter, battery, charging system, instrumentation Chassis And Suspension: Frame inspection, front fork service (including seal replacement), rear shock absorber maintenance, swingarm and linkage lubrication Brakes: Front and rear brake caliper service, master cylinder overhaul, brake pad replacement, fluid flush and bleed procedures, disc inspection Wheels And Tires: Tire pressure, tread wear inspection, wheel bearing service, spoke tension adjustment (if applicable) Bodywork And Fairings: Fairing removal and installation, seat, tank mounting, general bodywork repair Exhaust System: Exhaust pipe inspection, muffler maintenance Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake adjustments, spark plug replacement Troubleshooting: Diagnostic flowcharts, common problem identification and solutions Repair: Step-by-step instructions for component disassembly, repair, and reassembly Rebuilds: Complete engine rebuild, carburetor overhaul, suspension component rebuild Diagnostics: Electrical system diagnostics, engine performance testing, fault code interpretation (if applicable for later models) Restoration: Guidance for bringing an older model back to original specifications Technical Depth Level: Comprehensive (from basic maintenance to complete engine rebuild) Detail: Includes torque specifications, clearances, measurements, and assembly sequences Illustrations: Detailed diagrams, exploded views, and clear step-by-step illustrations 📊 Manual Specifications File Format Quality: High-resolution, zoomable illustrations Searchability: Likely searchable PDF text (depending on the source) Compatibility: Windows, macOS, Linux, iOS, Android via PDF reader Print Quality Printability: Printable on any standard printer Restrictions: No printing or saving restrictions mentioned Binding Type Digital Only: True (not a physical copy) Paper Type Digital Equivalent: N/A (digital format) ⚙️ Engine Specifications Primary Engine Configuration: Parallel-twin cylinder, four-stroke Displacement: 248 cc (248cc) Bore X Stroke: 55.0 x 52.4 mm Valve Train: DOHC, 8 valves (2 per cylinder) Cooling System: Liquid-cooled Compression Ratio: 12.0:1 (approximate, varies slightly by year) Performance Horsepower: Approx. 30-35 HP @ 10,500 RPM (varies by year and market) Torque: Approx. 15-17 lb-ft @ 8,500 RPM (varies by year and market) Fuel System Carburetion: Dual Keihin CVK32 carburetors (pre-2008 models) Fuel Capacity: Approx. 13 Liters (3.4 US gallons) 🔧 Transmission Standard Type: 6-speed constant mesh Clutch Type: Wet multi-disc Optional Availability: N/A (only manual transmission offered) Features Drive Type: Chain drive 📐 Dimensions Exterior Overall Length: Approx. 2000 mm (78.7 in) Overall Width: Approx. 740 mm (29.1 in) Overall Height: Approx. 1100 mm (43.3 in) Wheelbase: Approx. 1370 mm (53.9 in) Weights Dry Weight: Approx. 140-145 kg (308-320 lbs) Wet Weight: Approx. 155-160 kg (342-353 lbs) 🛡️ Safety Features Ratings Safety Features Modern Comparison: Limited by era; no ABS or advanced rider aids on most models in this range Active Features Braking System Front: Single disc brake Braking System Rear: Drum brake (early models), Disc brake (later models) Passive Features Lighting: Halogen headlight, LED taillight (later models) 💡 Technology Features Infotainment Instrumentation: Analog speedometer, tachometer, odometer, trip meter, fuel gauge (some models), indicator lights Driver Assistance Rider Aids: None (pre-2008 models are mechanically basic) 🔧 Maintenance Service Intervals Oil Change: Every 4,000-6,000 km (2,500-3,750 miles) or 6 months Oil Filter Replacement: Every oil change Spark Plug Replacement: Every 12,000-18,000 km (7,500-11,250 miles) Chain Adjustment Lubrication: Every 1,000-1,500 km (600-900 miles) Valve Clearance Check: Every 20,000-24,000 km (12,500-15,000 miles) Fluid Specifications Engine Oil Type: SAE 10W-40 API SG or higher (JASO MA recommended) Engine Oil Capacity: Approx. 2.0 - 2.2 Liters (with filter change) Coolant Type: Ethylene glycol based antifreeze with distilled water (50/50 mix) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Carburetor Sync: Carburetors can lose sync over time, requiring periodic adjustment for smooth running. Cam Chain Tensioner: Can become noisy or fail, leading to a rattling sound. Charging System: Stator or regulator/rectifier issues can lead to battery drain or overcharging. Fork...