🏷️ Basic Information Identification Make: BMW Model: C1 125 Model Variant: 125cc Scooter Model Year: 1999-2001 Codes Chassis Code: G45 👋 Introduction Market Position Vehicle Segment: Premium Scooter, Urban Mobility Unique Selling Proposition: Innovative safety cage design, car-like ergonomics, premium build quality Competitive Analysis Key Competitors: Honda Pantheon 125, Yamaha Majesty 125, Aprilia Leonardo 125 Key Features Safety Cage: Integral safety cage structure offering enhanced rider protection compared to conventional scooters Aerodynamics: Designed for rider comfort and weather protection Storage: Integrated storage compartments, including under-seat storage 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Downloadable PDF Page Count: Comprehensive (Exact count not specified, but described as 'Complete') 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, tuning, lubrication, cooling, fuel injection, ignition systems Transmission: Automatic CVT (Continuously Variable Transmission) operation, maintenance, and repair Brakes: Front and rear brake systems, including hydraulic components, pads, discs, ABS (if equipped) Electrical: Wiring diagrams, lighting, battery, charging system, starter, ECU, sensors, diagnostic codes Chassis: Frame, suspension (front and rear), steering, wheels, tires Bodywork: Fairings, seating, storage, body panel removal and installation Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug service, chain/belt adjustment (if applicable) Troubleshooting: Diagnostic flowcharts for common issues, symptom-based troubleshooting guides Repair: Component removal, disassembly, inspection, repair, and reassembly procedures Diagnostics: On-board diagnostics (OBD) information, error code interpretation, sensor testing Technical Depth Depth: Comprehensive from basic checks to complete engine rebuilds and electrical system diagnostics 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for efficient information retrieval Print Quality: Printable at user's discretion; original quality depends on source scan/creation Binding Type Binding: N/A (Downloadable PDF) Paper Type: N/A (Downloadable PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke single-cylinder Displacement: 124.6 cc (7.6 cu in) Bore X Stroke: 57.0 mm x 48.8 mm (2.24 in x 1.92 in) Cooling System: Liquid-cooled Valve Train: SOHC (Single Overhead Camshaft), 4 valves Performance Horsepower: Approx. 15 HP (11 kW) @ 8,500 rpm (specifications may vary slightly by market) Torque: Approx. 11.5 Nm (8.5 lb-ft) @ 7,000 rpm (specifications may vary slightly by market) Fuel System Fuel Delivery: Fuel Injection (Bosch Motronic MA 2.1 ECU) Fuel Type: Unleaded gasoline, minimum 91 RON (Octane Rating) Lubrication Oil Type: API SG or higher, JASO MA certified motorcycle engine oil (e.g., SAE 10W-40 or 15W-50 depending on ambient temperature) Oil Capacity: Approx. 1.1 liters (1.2 US qt) without filter change, 1.2 liters (1.3 US qt) with filter change Ignition Ignition System: Electronic ignition Engine Codes Engine Number Location: Typically stamped on the engine crankcase 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Drive Type: Belt drive to rear wheel Features Clutch: Automatic centrifugal clutch Gear Reduction: Primary and secondary reduction gears Fluid Specifications Transmission Fluid Type: Specific CVT oil or transmission fluid as per BMW specifications (refer to manual for exact type and quantity) 📐 Dimensions Exterior Length: Approx. 2,070 mm (81.5 in) Width: Approx. 750 mm (29.5 in) at handlebars Height: Approx. 1,310 mm (51.6 in) to top of windshield Seat Height: Approx. 765 mm (30.1 in) Weights Dry Weight: Approx. 172 kg (379 lbs) Gross Vehicle Weight Rating: Approx. 360 kg (794 lbs) Wheels Tires Front Tire Size: 120/70-13 Rear Tire Size: 140/70-14 Wheel Bolt Pattern: N/A (Scooter design, typically hub mounting) Fuel Capacity Fuel Tank Capacity: Approx. 10.5 liters (2.8 US gal) 🛡️ Safety Features Ratings Crash Test Data: N/A (Motorcycle safety standards differ; focus is on design features) Active Features ABS: Optional ABS (Anti-lock Braking System) available on some models Braking System: Disc brakes front and rear, hydraulically actuated Passive Features Ride Protection: Integral safety cage and roll-over bar for enhanced rider protection Seat Belt: Integrated seat belt system Windshield: Large, integrated windshield for weather and wind protection 💡 Technology Features Infotainment Display: Integrated instrument cluster with analog speedometer, tachometer, and digital displays for fuel level, coolant temperature, etc. Driver Assistance ABS System: Optional ABS system enhances braking control, particularly in adverse conditions. Connectivity Diagnostic Port: On-board diagnostics (OBD) system with a diagnostic connector for fault code reading and analysis. Lighting Headlight: Halogen headlight for effective illumination 🔧 Maintenance Service Intervals First Service: 1,000 km (600 miles) or 1 month Subsequent Services: Every 5,000 km (3,000 miles) or 6 months (whichever comes first), covering oil changes, filter replacements, and inspections. Spark Plug Replacement: Refer to manual, typically around 10,000-15,000 km (6,000-9,000 miles) Air Filter Cleaning Replacement: Check/clean every 5,000 km, replace as needed Fluid Specifications Coolant Type: BMW Antifreeze/Coolant or equivalent (ethylene glycol based, with corrosion inhibitors) - typically a 50/50 mix with distilled water Brake Fluid Type: DOT 4 brake fluid Known Issues Common Wear Items: CVT belt, brake pads, tires, suspension components Electrical Gremlins: Can sometimes experience minor electrical issues due to complexity; proper diagnosis is key. Fuel System Maintenance:...