Segment:
Unique urban mobility scooter/motorcycle hybrid, emphasizing safety and weather protection.
Competitors:
Standard scooters, smaller motorcycles, and enclosed mobility vehicles. Its unique safety cell and weather protection offered a distinct advantage.
Innovations:
Integrated safety cell with roll-over protection, deformable safety cage structure, optional airbag, weather protection (windscreen, roof), automotive-style controls, secure helmet storage.
Users:
Urban commuters seeking enhanced safety and comfort compared to traditional scooters.
Unique Selling Proposition
Usp:
The BMW C1's primary USP was its groundbreaking approach to safety and weather protection in a scooter format, differentiating it from all other two-wheeled vehicles of its time.
Coverage:
Full Service, Repair, Maintenance, Rebuild, Refurbish, Restoration
Estimated Page Count:
Comprehensive (Exact number not specified, but implies thoroughness)
Type:
Full Service Repair Manual
Engine:
Engine overhaul, top-end rebuild, bottom-end assembly, cooling system, lubrication system, fuel system (carbureted/injected), ignition system, exhaust system.
Transmission:
Automatic transmission (CVT) overhaul, gear selection, clutch operation, drive belt maintenance, final drive service.
Chassis And Frame:
Frame inspection and repair, suspension (front and rear), steering system, wheel bearings, fork service, shock absorber replacement.
Brakes:
Brake system diagnostics, hydraulic system bleeding, caliper overhaul, brake pad and disc replacement, parking brake adjustment.
Electrical System:
Wiring diagrams, battery service, charging system (alternator/stator), lighting system (headlights, taillights, indicators), starter motor, fuse box, instrument cluster diagnostics, electronic control unit (ECU) troubleshooting.
Bodywork And Trim:
Fairing removal and installation, seat repair, body panel alignment, interior trim components, safety cell (roll cage) inspection and maintenance.
Maintenance:
Scheduled maintenance intervals, oil change procedures, filter replacement (oil, air, fuel), spark plug replacement, valve clearance adjustment, coolant flush, brake fluid replacement.
Troubleshooting:
Diagnostic flowcharts, common problem identification (e.g., starting issues, poor performance, electrical faults), symptom-based diagnosis.
Repair:
Component-specific repair instructions, assembly and disassembly procedures, torque specifications for critical fasteners, sealing techniques.
Rebuilding:
Detailed steps for engine rebuilds, transmission overhauls, and suspension component refurbishment.
Diagnostics:
Includes diagnostic procedures for engine, electrical, and transmission systems.
Installation:
Instructions for installing optional accessories or replacement parts.
Depth:
Expert-level technical details, covering everything from basic rider maintenance to complete engine and transmission rebuilds. Includes diagnostic procedures and electrical system schematics.
Wiring Diagrams:
Comprehensive electrical wiring diagrams are provided for accurate diagnosis and repair.
Engine Type:
Four-stroke, single-cylinder
Bore Stroke 125:
57 mm x 48.6 mm (typical for 125cc variants)
Bore Stroke 200:
66 mm x 58.5 mm (typical for 200cc variants)
Compression Ratio:
Approx. 11.0:1 (typical for this era of BMW single-cylinder)
Horsepower 125:
Approx. 15 hp @ 8,500 rpm
Horsepower 200:
Approx. 20 hp @ 7,500 rpm
Torque 125:
Approx. 13 Nm @ 6,500 rpm
Torque 200:
Approx. 18 Nm @ 6,000 rpm
Fuel Delivery 125:
Carburetor (e.g., Keihin CVK)
Fuel Delivery 200:
Electronic Fuel Injection (EFI) or Carburetor depending on market/variant.
Fuel Type:
Unleaded Gasoline
Cooling Method:
Liquid-cooled
Crash Safety:
Designed with a focus on exceeding typical scooter safety standards, including roll-over protection.
Braking System:
Disc brakes front and rear, often with ABS as an option or on higher trims.
Lighting:
Halogen headlights, LED taillights and indicators (depending on market specification).
Structure:
Integrated safety cell, crumple zones, deformable safety cage.
Restraint System:
Optional airbag system for the driver.
Seatbelt:
Integrated seatbelt (3-point harness).
Features:
Basic instrument cluster with speedometer, odometer, fuel gauge, coolant temperature warning light, and engine warning light.
Safety Systems:
Optional ABS (Anti-lock Braking System) on certain models.
Features:
N/A (No modern infotainment or connectivity features are present).
Oil Change:
Every 5,000 km or annually (refer to manual for precise intervals).
Air Filter Replacement:
Every 10,000 km or as needed based on operating conditions.
Spark Plug Replacement:
Every 10,000 km or as specified.
Valve Clearance Check:
Every 10,000 km or as specified.
Engine Oil:
SAE 15W-50 or SAE 10W-40 (API SG or higher) - refer to manual for exact BMW specification.
Engine Oil Capacity:
Approx. 1.5 - 1.8 liters (refer to manual for exact capacity).
Coolant:
BMW approved anti-freeze/anti-corrosion mixture (e.g., BMW blue coolant) mixed with distilled water.
Brake Fluid:
DOT 4 hydraulic fluid.
Electrical:
Occasional issues with the CDI unit or stator windings have been reported.
Engine:
Wear on the cylinder bore or piston rings can occur with high mileage; potential for oil leaks from seals.
Transmission:
CVT belt wear and variator roller wear are common maintenance items.
Bodywork:
Cracking or degradation of plastic body panels over time, especially if exposed to harsh sunlight.
