Segment:
Sportbike, 125cc Class
Target Audience:
Young riders, enthusiasts seeking sporty performance in the A1 license category
Key Competitors:
Aprilia AF1 Futura 125, Yamaha TZR 125, Honda NSR 125, Suzuki RG 125
Design Philosophy:
Aggressive styling, race-inspired chassis, potent two-stroke engine for its class
Performance Focus:
Emphasis on handling, braking, and acceleration within the 125cc segment regulations
Engine Mechanical:
Detailed disassembly, assembly, inspection, and overhaul of the engine (cylinder head, piston, crankshaft, bearings, seals, etc.)
Fuel System:
Carburetor (likely Dell'Orto or Mikuni) tuning, cleaning, and rebuilding; fuel tank, fuel lines, and petcock maintenance
Ignition System:
CDI unit, spark plugs, ignition timing, stator, and rotor inspection and testing
Cooling System:
Liquid cooling system components, radiator, water pump, thermostat, coolant type and fill procedure
Transmission And Drivetrain:
Gearbox disassembly and assembly, clutch operation and adjustment, chain drive maintenance and replacement
Chassis And Frame:
Frame inspection, steering head bearing replacement, suspension fork overhaul, rear shock absorber maintenance
Brakes:
Hydraulic front and rear brake systems, caliper, master cylinder, brake lines, brake pad replacement, brake fluid type and bleeding procedures
Electrical System:
Wiring diagrams, lighting system, battery maintenance, charging system (alternator/stator), starter motor, fuses, relays
Exhaust System:
Exhaust pipe and silencer inspection, gasket replacement, and removal/installation procedures
Bodywork And Fairings:
Fairing removal and installation, seat, fuel tank, and other body panel servicing
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, tire pressure checks, spark plug inspection, air filter cleaning/replacement
Troubleshooting:
Diagnostic procedures for common starting, running, electrical, and braking issues
Component Overhaul:
Detailed step-by-step guides for rebuilding engine components, carburetors, brake calipers, and suspension forks
Specifications And Tolerances:
Precise torque values for fasteners, engine component clearances, and diagnostic specifications
Wiring Diagrams:
Comprehensive electrical schematics for easy fault finding and component identification
Diagnostic Capability:
Advanced diagnostic procedures for engine performance and electrical systems
Repair Scope:
Full repair and overhaul capabilities, from basic adjustments to complete engine rebuilds
Information Detail:
Detailed explanations, exploded views, and photographic illustrations for clarity
Engine Type:
Liquid-cooled, two-stroke, single-cylinder
Bore X Stroke:
Approximately 56.0 mm x 50.6 mm (typical for the era and displacement)
Compression Ratio:
Likely around 7.5:1 to 8.0:1 (typical for two-strokes of this era)
Induction:
Reed valve induction with a single carburetor
Lubrication:
Pre-mix or Autolube system (pre-mix is common for performance-oriented two-strokes)
Horsepower:
Approximately 28-32 HP (subject to regulatory restrictions for the 125cc class, often around 15 HP for learner riders, but performance versions exist)
Torque:
Estimated 16-18 Nm (Newton-meters) at peak RPM
Carburetor Type:
Dell'Orto PHBH 28 or Mikuni VM28 (common for this application)
Fuel Type:
Unleaded gasoline, minimum 95 RON (Octane rating)
Fuel Tank Capacity:
Approximately 14-16 Liters
Engine Oil Change:
Every 3,000 - 5,000 km or annually (refer to manual for specific type)
Spark Plug Replacement:
Every 5,000 - 8,000 km (check condition more frequently)
Air Filter Cleaning:
Every 3,000 - 5,000 km (or more frequently in dusty conditions)
Chain Lubrication:
Every 500 km and after riding in rain or wet conditions
Brake Fluid Flush:
Every 2 years
Engine Oil Type:
API SG/SH or JASO FD 2-stroke oil for autolube systems, or specified for pre-mix ratio. Manual will specify grade (e.g., SAE 10W-40 for gearbox)
Coolant Type:
Ethylene glycol-based coolant, 50/50 mix with distilled water
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Carburetor Tuning:
Can be sensitive to altitude and atmospheric conditions; requires periodic adjustment.
Two Stroke Engine Maintenance:
Requires diligent attention to lubrication and proper fuel mixture to prevent premature wear or seizure.
Electrical Connections:
Aging wiring harnesses and connectors can lead to intermittent electrical faults.
Cooling System Leaks:
Hose degradation or water pump seal wear can cause coolant leaks.
Manufacturer Origin:
Cagiva Motor S.p.A., Italy
Reputation:
Known for sporty, often Italian-designed motorcycles, particularly in the smaller displacement categories and racing heritage
Development Context:
Cagiva aimed to compete in the highly popular 125cc sportbike segment, offering a blend of performance and styling
Design Influence:
Influenced by Grand Prix racing machines of the era, with a focus on aerodynamic fairings and rider ergonomics
Production Period:
The Freccia 125 was produced through the late 1980s and into the 1990s, with various updates and variants
Manufacturing Location:
Italy
