Segment:
Lightweight sport motorcycle, 125cc class
Target Audience:
Young riders, learner riders, enthusiasts seeking accessible performance and sporty styling.
Competitors:
Yamaha TZR125, Aprilia RS125, Honda NSR125, Suzuki RG125, Kawasaki KR1-S.
Styling:
Aggressive sportbike styling, full fairing, low handlebars, sporty riding position.
Performance:
High-revving 2-stroke engine, agile handling, capable of spirited riding.
Engine Type:
2-stroke, liquid-cooled, single-cylinder.
Transmission:
6-speed manual transmission.
Engine Mechanical:
Engine assembly, disassembly, overhaul, lubrication, cooling system, engine identification.
Engine Management:
Carburetion (Dell'Orto PHBH, PHBH-R, etc.), ignition system (CDI, spark plugs), exhaust system, reed valve operation.
Transmission:
Gearbox (6-speed sequential), clutch operation (wet multi-plate), gear shift mechanism, lubrication.
Fuel System:
Fuel tank, fuel lines, fuel tap, carburetor settings and troubleshooting.
Electrical System:
Wiring diagrams, lighting (headlight, taillight, indicators), battery, charging system (alternator, rectifier), starter motor, fuses, switches, instrumentation.
Braking System:
Front and rear brake systems (disc brakes), hydraulic lines, master cylinders, calipers, brake pad replacement, bleeding procedures, adjustments.
Suspension:
Front telescopic forks (e.g., Marzocchi, Paioli) with internal components, rear monoshock or twin shock absorber system, swingarm, linkage maintenance, adjustments.
Wheels And Tires:
Wheel bearing service, tire pressure recommendations, tire replacement, wheel balancing.
Frame And Bodywork:
Chassis structure, fairings, seat, handlebars, footpegs, removal and installation procedures.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustment and lubrication, brake adjustments, general inspection.
Troubleshooting:
Diagnostic procedures for common problems in engine, electrical, fuel, and braking systems.
Engine Rebuild:
Detailed instructions for complete engine disassembly, component inspection, replacement, and reassembly.
Carburetor Tuning:
Jetting specifications, float height adjustment, idle speed settings, performance tuning.
Electrical Diagnosis:
Wiring diagram interpretation, voltage and resistance testing, fault finding for electrical components.
Suspension Servicing:
Fork seal replacement, oil changes, shock absorber adjustments and maintenance.
Brake System Overhaul:
Caliper rebuilding, master cylinder servicing, bleeding procedures.
Depth:
Comprehensive coverage suitable for DIY mechanics and professional technicians, including detailed diagrams, torque specifications, and diagnostic charts.
Engine Type:
Two-stroke, liquid-cooled, single cylinder
Bore X Stroke:
56 mm x 50.6 mm (typical for early models, varies slightly)
Compression Ratio:
Approx. 7.5:1 to 8.0:1 (varies by model year and tuning)
Valve Mechanism:
Reed valve induction
Horsepower:
Approx. 25-30 HP at 11,000 RPM (subject to national regulations and specific tuning)
Torque:
Approx. 16-18 Nm at 10,500 RPM (subject to national regulations and specific tuning)
Carburetor:
Dell'Orto PHBH 28 (or similar, e.g., PHBH-R, PHBG for some variants)
Fuel Type:
Unleaded gasoline (minimum 95 RON recommended), 2-stroke oil pre-mix or separate oil injection system (depending on model year).
Oil Injection:
Autolube system (on most models)
Type:
6-speed constant mesh, sequential gearbox
Clutch:
Wet multi-plate clutch
Gear Ratios:
Specific ratios provided in manual (e.g., 1st: 2.500, 2nd: 1.765, 3rd: 1.333, 4th: 1.111, 5th: 0.957, 6th: 0.852 - illustrative, subject to variation)
Transmission Oil:
API GL-4 80W/90 or equivalent (check manual for exact specification)
Crash Safety:
N/A (Motorcycle safety is typically assessed differently than cars; focus is on handling and braking capabilities, rider protection is paramount).
Braking:
Hydraulic disc brakes front and rear for effective stopping power.
Handling:
Sport-tuned suspension and chassis geometry for agile maneuverability.
Lighting:
Adequate headlight, taillight, and turn signals for visibility.
Frame Construction:
Steel perimeter frame providing rigidity and stability.
Oil Change:
Every 3,000-5,000 km or annually (refer to manual for precise interval and oil type)
Spark Plug Check:
Every 2,000-3,000 km
Chain Lubrication Adjustment:
Every 500-1,000 km or as needed
Air Filter Cleaning:
Every 3,000-5,000 km
Engine Oil Type:
2-stroke premix oil or dedicated autolube oil (specific API TC or JASO FD/FC rated oil required, refer to manual)
Transmission Oil Type:
API GL-4 80W/90 gear oil
Coolant Type:
Ethylene glycol-based antifreeze and distilled water mixture (50/50 ratio recommended)
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Engine Wear:
Potential wear on piston rings and cylinder due to 2-stroke nature, especially with hard use. Crankshaft bearing wear.
Carburetion Issues:
Carburetor jetting can be sensitive to altitude and temperature changes; gumming up of jets from old fuel is common.
Electrical Gremlins:
Aging wiring harnesses and connectors can lead to intermittent electrical faults.
Power Valve:
Cagiva's electronically controlled power valve system (if fitted) can be a source of issues if not maintained correctly; carbon buildup is common.
Exhaust Leaks:
Gasket leaks between the cylinder and expansion chamber can affect performance.
Manufacturer:
Cagiva Automobili S.p.A. (Italian motorcycle manufacturer, later acquired by MV Agusta Group and others).
Founding:
Founded in 1926 by Giovanni Castiglioni.
Introduction:
The Freccia 125 was introduced in the late 1980s as part of Cagiva's expansion into the 125cc sportbike segment.
Variants:
Several iterations and updates were made, including the Freccia C9, C10, C12, and later models with revised styling and engine performance (e.g., adoption of the ET031 engine).
Racing Heritage:
Cagiva had a significant presence in Grand Prix racing, and this influenced the design and performance of their road bikes.
Production Period:
Late 1980s to mid-1990s (exact end date varies by market and model updates).
Manufacturing Location:
Italy
Performance Reviews:
Praised in period reviews for its styling, handling, and spirited 2-stroke performance, positioning it as a desirable 125cc sportbike.
Class Competitiveness:
A strong contender in its class, competing directly with established Japanese and Italian rivals.
Maintenance Accessibility:
Good accessibility for routine maintenance tasks, with a comprehensive manual providing necessary guidance.
