Market Position:
Lightweight, sporty motorcycle designed for urban commuting and spirited riding, appealing to younger riders and those seeking an agile, stylish machine.
Competitive Analysis:
Competed against other 125cc two-stroke street bikes from brands like Aprilia, Yamaha, Suzuki, and Honda, often differentiating itself with distinctive Italian styling and performance.
Key Features:
Performance-oriented 125cc two-stroke engine, agile handling characteristics, sporty styling, liquid cooling, six-speed transmission, disc brakes.
Systems Covered:
Engine mechanical, Engine electrical, Fuel system, Cooling system, Exhaust system, Transmission, Clutch, Chassis, Suspension (front & rear), Steering, Brakes (front & rear), Electrical system (lighting, ignition, starting, charging, instrumentation), Frame, Bodywork, Wheels & Tires, Troubleshooting
Page Count:
Comprehensive (Specific page count not provided, typical for this era's service manuals is 200-400 pages)
Manual Type:
Service Repair Workshop Manual
Language:
Likely English (standard for many international service manuals, confirm with seller)
Engine Mechanical:
Detailed disassembly, inspection, and reassembly of engine components including cylinder, piston, rings, crankshaft, connecting rod, bearings, cylinder head, valves, camshaft, timing system.
Engine Electrical:
Ignition system (spark plug, coil, CDI unit), starting system (starter motor, solenoid), charging system (alternator, rectifier/regulator), wiring diagrams, troubleshooting electrical faults.
Fuel System:
Carburetor (Mikuni VM series common for this model) service, adjustment, cleaning, fuel lines, fuel filter, fuel tank.
Cooling System:
Liquid-cooled system, radiator, water pump, thermostat, coolant hoses, coolant specifications and capacity.
Transmission:
Six-speed gearbox, clutch operation, clutch plate replacement, transmission oil specifications and change intervals.
Brakes:
Hydraulic front disc brake, rear drum brake (or disc depending on exact variant), brake pad replacement, brake fluid specifications and bleeding procedures, caliper and master cylinder service.
Suspension:
Front telescopic forks (likely Marzocchi or similar), rear monoshock or twin shock absorber system, fork oil specifications and replacement, shock absorber service, adjustment procedures.
Steering:
Handlebar assembly, steering head bearings service and adjustment.
Electrical System:
Complete wiring diagrams, component locations, fuse specifications, bulb types, battery maintenance.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, spark plug checks, chain adjustment, lubrication points, brake adjustments.
Troubleshooting:
Diagnostic procedures for common problems related to engine performance, electrical systems, starting issues, braking problems, and suspension.
Repair:
Step-by-step instructions for the repair and replacement of all major components and systems.
Technical Depth:
Comprehensive (covers from basic maintenance to in-depth engine and transmission rebuilds, suitable for home mechanics and professional technicians).
Engine Type:
Liquid-cooled, two-stroke, single-cylinder
Displacement:
124.9 cc (9.15 cu.in.)
Bore X Stroke:
56.0 mm x 50.6 mm (2.20 in x 2.00 in) - typical specification for this engine
Compression Ratio:
Approx. 7.0:1 (typical for this era's 125cc 2-strokes)
Power Output:
Around 25-30 HP (subject to specific tuning and market regulations, typical for 125cc performance bikes of the era)
Torque:
Estimated 15-18 Nm (subject to specific tuning)
Lubrication:
Pre-mix or Autolube (automatic oil injection system common)
Top Speed:
Approx. 120-140 km/h (75-87 mph), depending on rider and conditions
Carburetor:
Single Mikuni VM28SS (or similar 28mm carburetor) typical
Fuel Type:
Unleaded gasoline (min. 95 RON recommended), with appropriate 2-stroke oil for premix if applicable.
Length:
Approx. 2000 mm (78.7 in) - typical for the model
Width:
Approx. 750 mm (29.5 in) - typical for the model
Height:
Approx. 1150 mm (45.3 in) - typical for the model
Wheelbase:
Approx. 1350 mm (53.1 in) - typical for the model
Dry Weight:
Approx. 120-130 kg (265-287 lbs) - typical for the model
Fuel Capacity:
Approx. 12 liters (3.2 US gal) - typical for the model
Safety Ratings:
Not applicable (Motorcycle safety ratings are not standardized in the same way as cars)
Braking System:
Front hydraulic disc brake, rear drum brake (or optional disc depending on spec).
Lighting:
Halogen headlight, taillight, brake light, turn signals.
Frame Construction:
Steel trellis or perimeter frame providing good rigidity.
Infotainment System:
Basic analog instrumentation: speedometer, tachometer, odometer, neutral indicator, turn signal indicators, high beam indicator.
Driver Assistance Features:
N/A (No electronic rider aids)
Engine Oil Change:
Every 3,000 km or 1 year (or as specified in manual, check transmission oil type).
Spark Plug Check:
Every 3,000 km or 1 year.
Air Filter Cleaning:
Every 3,000 km (or more frequently in dusty conditions).
Chain Adjustment:
Every 1,000 km, and check tension.
Engine Oil Type:
Two-stroke motorcycle oil (API TC, JASO FB or higher rated) - premix or for injection system.
Transmission Oil Type:
SAE 10W-40 API GL-4 motorcycle gear oil. Capacity approx. 0.9 - 1.0 Litre.
Coolant Type:
Ethylene glycol-based coolant, mixture of 50% coolant and 50% distilled water. Capacity approx. 1.2 - 1.5 Litres.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Known Issues:
Common issues on older 125cc 2-strokes can include carburetor jetting issues, reed valve wear, clutch slippage if abused, and potential electrical gremlins common to vintage bikes. Frame corrosion in some climates.
Brand Heritage:
Cagiva is an Italian motorcycle manufacturer founded in 1978, known for its sporty and stylish machines, often utilizing advanced engineering and design.
Model Evolution:
The Super City 125 was part of Cagiva's strong offering in the lightweight sportbike segment, evolving from earlier 125cc models with continuous updates to styling and componentry.
Production Period:
The 125cc Super City and its predecessors/successors were produced through the 1990s and into the early 2000s.
