Segment:
Compact Scooter, Personal Mobility Vehicle
Unique Selling Proposition:
The BMW C1 was a highly innovative scooter featuring a semi-enclosed body and an integrated safety cage, distinguishing it significantly from conventional scooters.
Competitors:
Competed in the premium scooter segment against models from manufacturers like Honda (e.g., PCX, Forza), Yamaha (e.g., Majesty), and Suzuki (e.g., Burgman).
Safety Cage:
Integral safety cell with rollover protection.
Bodywork:
Semi-enclosed bodywork offering weather protection for the rider.
Ergonomics:
Car-like seating position and controls.
Engine:
Detailed information on single-cylinder, four-stroke engines, including disassembly, assembly, diagnostics, and specifications.
Fuel System:
Carburetor system (specific model depending on market and variant), fuel tank, fuel lines, and fuel pump (if applicable).
Ignition System:
CDI ignition system, spark plug, ignition coil, stator, and related components.
Cooling System:
Air-cooling system, including cooling fins and fan (if applicable).
Exhaust System:
Exhaust manifold, muffler, and heat shields.
Transmission:
Automatic transmission (CVT - Continuously Variable Transmission) including variator, clutch, drive belt, and final drive.
Brakes:
Front and rear brake systems, including hydraulic disc brakes, brake calipers, master cylinders, brake lines, brake fluid, and bleeding procedures.
Suspension:
Front telescopic forks and rear swingarm suspension, including fork oil, seals, springs, and shock absorbers.
Steering:
Handlebar assembly, steering column, steering bearings, and related components.
Electrical System:
Battery, charging system (alternator/stator), starter motor, lighting (headlight, taillight, indicators), horn, and wiring diagrams.
Frame And Bodywork:
Chassis structure, body panels, seat, storage compartment, and the unique 'roll cage' safety structure.
Wheels And Tires:
Wheel specifications, tire sizes, pressure, and replacement procedures.
Routine Maintenance:
Oil changes, filter replacements, spark plug inspection/replacement, air filter cleaning/replacement, brake checks, tire pressure checks.
Engine Overhaul:
Complete engine disassembly, cleaning, inspection, component replacement, and reassembly with torque specifications.
Transmission Service:
CVT belt inspection and replacement, roller weight inspection, clutch shoe inspection, and final drive oil change.
Brake System Repair:
Pad replacement, disc inspection, caliper service, master cylinder overhaul, and brake fluid flushing/bleeding.
Suspension Fork Service:
Fork oil replacement, seal replacement, and general fork overhaul.
Electrical Diagnostics:
Troubleshooting electrical faults using wiring diagrams, testing components like stator, regulator/rectifier, starter, and lighting.
Troubleshooting Guides:
Diagnostic procedures for common starting issues, running problems, and component failures.
Bodywork Repair:
Panel removal/installation, cosmetic repair guidance.
Depth:
Designed for professional technicians, implying a high level of detail covering diagnostics, complex repairs, and component specifications.
Diagnostic Capability:
Extensive troubleshooting sections with symptom-based diagnosis and component testing procedures.
Rebuild Procedures:
Detailed instructions for complete engine and transmission rebuilds, including torque values and clearances.
Special Tools:
Likely lists required special tools for specific repair procedures, typical of professional manuals.
Type:
Single-cylinder, four-stroke
Displacement 125:
Approximately 125cc (specific engine code likely present in manual, e.g., Rotax 125)
Displacement 200:
Approximately 200cc (specific engine code likely present in manual, e.g., Rotax 200)
Bore X Stroke 125:
Not specified, but typical for 125cc class.
Bore X Stroke 200:
Not specified, but typical for 200cc class.
Valvetrain:
SOHC (Single Overhead Camshaft), 2 valves per cylinder (typical)
Horsepower 125:
Estimated 15 HP (actual values vary by market and tuning).
Horsepower 200:
Estimated 18-20 HP (actual values vary by market and tuning).
Torque 125:
Estimated 12 Nm (actual values vary by market and tuning).
Torque 200:
Estimated 15 Nm (actual values vary by market and tuning).
Induction:
Carburetor (e.g., Keihin CVK, Mikuni VM series - specific model in manual)
Fuel Capacity:
Approximately 10-12 Liters (typical for this class).
Oil Change:
Typically every 3,000 - 5,000 km or annually, depending on usage. Refer to manual for exact intervals.
Air Filter:
Inspection every 3,000-5,000 km, cleaning/replacement as needed.
Spark Plug:
Inspection every 5,000-10,000 km, replacement as needed.
Drive Belt:
Inspection every 6,000-10,000 km, replacement typically around 20,000-30,000 km or as wear dictates.
Engine Oil:
Synthetic or semi-synthetic 10W-40 or 15W-50 (API SG or higher, JASO MA approved). Manual will specify exact BMW-approved grades.
Brake Fluid:
DOT 4 hydraulic brake fluid (typically).
Final Drive Oil:
Gear oil, e.g., SAE 80W-90.
Electrical Connections:
Corrosion in electrical connectors due to exposure, common in scooters. Requires cleaning and dielectric grease.
Cvt Belt Wear:
Premature wear of the CVT belt can occur with aggressive riding or if not maintained properly.
Suspension Leaks:
Fork seal leaks can occur over time, requiring seal replacement.
