Segment:
Premium urban mobility scooter/motorcycle hybrid.
Uniqueness:
The BMW C1 was a unique offering known for its integrated safety cage, car-like features (e.g., windshield, roof), and its appeal as a safer alternative for scooter riders.
Competitors:
Competed with larger capacity scooters and small motorcycles, but its safety features set it apart from traditional two-wheelers.
Safety Cage:
Distinctive roll-cage like structure for enhanced rider protection.
Aerodynamics:
Integrated windshield and roof for weather protection and aerodynamic efficiency.
Scope:
All Models & All Repairs A-Z
Estimated Pages:
Extensive (specific count not provided, but implies comprehensive coverage)
Type:
Service Repair Workshop Manual
Language:
English (Assumed based on product description, typical for dealership-level manuals sold globally)
Format:
Print (Implied by 'service manual used by technicians', though digital formats are also common)
Engine:
Complete engine overhaul, diagnostics, component testing, fuel system, ignition system, lubrication, cooling system, starting and charging.
Transmission:
Gearbox maintenance, repair, lubrication, clutch operation, diagnostics.
Chassis:
Frame, suspension (front and rear), steering system, wheel bearings, fork maintenance and repair.
Brakes:
Hydraulic system, brake fluid, caliper and master cylinder servicing, pad and disc replacement, bleeding procedures.
Electrical:
Wiring diagrams, lighting system, battery, charging system, starter motor, ignition switch, fuses, relays, electronic diagnostics.
Bodywork:
Panel removal and installation, fairings, seating, storage compartment access, structural repairs.
Fuel System:
Carburetor (likely a Keihin or similar for this era/displacement) adjustment, cleaning, and rebuilding; fuel tank and lines.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug servicing, lubrication points, brake inspections.
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting, fault code interpretation (if applicable).
Repair:
Step-by-step instructions for component removal, repair, and reinstallation for all major systems.
Disassembly Assembly:
Detailed procedures for complete vehicle disassembly and reassembly.
Depth:
Dealership-level technician standard, covering everything from basic adjustments to complete engine rebuilds and advanced diagnostics.
Format Details:
Likely a high-quality reproduction of an original factory service manual, ensuring all diagrams and text are legible.
Quality:
Professional printing, clear diagrams, and readable text are expected for a premium service manual.
Binding:
Likely a robust binding (e.g., spiral-bound or case-bound) to withstand frequent use in a workshop environment.
Paper:
Durable, possibly coated paper to resist grease and workshop environments.
Engine Type:
Four-stroke single-cylinder (likely Rotax-designed, a common supplier for BMW scooters).
Displacement:
125cc (cubic centimeters)
Bore X Stroke:
Specific data not provided, but typically around 52mm x 58mm for a 125cc.
Cooling System:
Liquid-cooled
Valve Train:
SOHC (Single Overhead Camshaft), 4 valves (typical for performance 125cc engines of the era).
Horsepower:
Approximately 15-17 HP (at crank).
Torque:
Approximately 12-14 Nm.
Fuel Delivery:
Carbureted (likely Mikuni or Keihin, 28-32mm).
Fuel Type:
Unleaded gasoline
Ignition System:
Electronic (CDI - Capacitor Discharge Ignition)
Crash Safety:
Designed with a reinforced chassis and safety cage, offering significantly more protection than a conventional scooter.
Braking System:
Disc brakes front and rear, likely ABS on some models/markets.
Lighting:
Halogen headlights, LED taillights.
Seatbelt:
Integrated 4-point seatbelt harness.
Windshield:
Toughened safety glass windshield.
Rollover Protection:
Integral safety cage designed to protect the rider in case of a rollover.
Features:
Basic instrumentation, speedometer, tachometer, fuel gauge, warning lights. Advanced infotainment was not a feature of this model.
ABS:
Available on some models, enhancing braking safety.
Features:
No modern connectivity features (Bluetooth, GPS) were integrated.
Oil Change:
Typically every 3,000 - 5,000 km or annually.
Spark Plug:
Every 6,000 - 10,000 km.
Air Filter:
Inspection every 3,000 km, replacement as needed or every 6,000 - 9,000 km.
Transmission Fluid:
Check level periodically, change according to schedule (often linked to mileage or time, e.g., every 10,000 - 15,000 km).
Engine Oil:
API SG/SH or higher, SAE 10W-40 or 15W-50 (specific BMW approval may apply).
Coolant:
BMW's recommended ethylene glycol-based coolant or equivalent, mixed 50/50 with distilled water.
Electrical Gremlins:
Intermittent electrical issues or sensor failures can occur with age; thorough diagnosis is key.
Plastic Wear:
Aging plastic components (fairings, internal fittings) can become brittle.
Suspension Wear:
Fork seals, rear shock absorbers may require servicing or replacement over time.
Manufacturer:
BMW Motorrad, known for premium motorcycles and innovative engineering.
Development Goal:
To create a safer, more protected urban mobility solution compared to traditional scooters and motorcycles.
Production Period:
Launched in 2000, production ran for several years, with this manual covering models from 1999 onwards indicating early development and ongoing production.
Manufacturing Location:
Likely manufactured in Europe, potentially Italy or Germany.
