🏷️ Basic Information

Make:

Cagiva

Model:

Planet

Year:

1997

Model Code:

Planet 125

Product Number:

1

👋 Introduction

Positioning:

The Cagiva Planet was positioned as a sporty, lightweight 125cc motorcycle, popular in the European market for young riders and urban commuting, offering a blend of performance and style.

Competitors:

Competed against other 125cc performance-oriented motorcycles from manufacturers like Aprilia (e.g., RS 125), Yamaha (e.g., TZR125), and Honda (e.g., NSR125).

Features:

Known for its distinctive styling, often featuring aggressive lines and vibrant color schemes. Often equipped with a potent two-stroke engine for its class, emphasizing performance.

📋 Manual Details

Primary Coverage:

Workshop Service and Repair

Estimated Page Count:

Refer to product listing for exact count; typically 200-400 pages for this type of manual.

Type:

Service Manual / Workshop Manual

Language:

Likely English, based on common manual localization for this era. May include other European languages.

Format:

Printed Manual

📖 Manual Coverage

Engine:

Engine disassembly, assembly, inspection, tuning, cooling system, lubrication system, fuel system, ignition system, exhaust system.

Transmission:

Gearbox disassembly, assembly, inspection, lubrication, clutch operation.

Chassis:

Frame inspection, front suspension, rear suspension, steering system, wheels, tires.

Brakes:

Brake system diagnosis, front brake caliper, rear brake caliper, master cylinder, brake fluid, bleeding procedures, disc and pad replacement.

Electrical:

Wiring diagrams, lighting system, ignition system, charging system, starter motor, battery, fuses, relays, instrument cluster, sensors.

Bodywork:

Body panel removal and installation, fairings, seat, fuel tank, maintenance access points.

Fuel System:

Carburetor specifications, adjustments, cleaning, fuel lines, fuel filter.

Cooling System:

Radiator, coolant, water pump, thermostat, hoses.

Maintenance:

Routine maintenance checks, lubrication points, chain adjustment, filter replacement, spark plug service, coolant flush.

Troubleshooting:

Diagnostic charts for common starting, running, and electrical issues.

Repair:

Step-by-step repair procedures for all major mechanical and electrical components.

Disassembly Assembly:

Detailed instructions for taking apart and reassembling various vehicle systems.

Adjustments:

Carburetor synchronization, clutch adjustment, throttle cable adjustment, chain slack adjustment.

Depth:

Comprehensive, covering everything from basic maintenance to full engine rebuilds and complex electrical system repairs.

📊 Manual Specifications

File Type:

Printed booklet.

Print Quality:

Typically good quality, intended for workshop use with clear diagrams and text.

Binding:

Likely saddle-stitched or perfect bound for durability in a workshop environment.

Paper Type:

Durable paper stock suitable for repeated use in a garage or workshop.

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, two-stroke, single-cylinder.

Displacement:

124.4 cc (approx.)

Bore X Stroke:

Refer to manual for specific figures, typically around 56 mm x 50.6 mm.

Compression Ratio:

Refer to manual for specific figures, likely around 7.0:1 to 8.0:1.

Power Output:

Approximately 15-25 hp (depending on specific tuning and market regulations). Manufacturer quoted figures vary.

Torque Output:

Refer to manual for specific figures, typically in the range of 12-18 Nm.

Top Speed:

Can exceed 100 mph (160 km/h) in optimal conditions for the 125cc class, though rider weight and wind affect this.

Carburetor:

Likely a single 28mm or 30mm carburetor (e.g., Dell'Orto PHBH or similar).

Fuel Type:

Unleaded gasoline, minimum octane rating as specified in manual (likely 95 RON or higher recommended for two-stroke).

Fuel Delivery:

Gravity feed with a fuel pump if applicable, mixed with two-stroke oil.

Cylinder Design:

Cast iron cylinder liner, aluminum alloy cylinder head.

Ignition System:

Electronic ignition (CDI) with variable timing.

Oil System:

Pre-mix (fuel and oil mixed manually) or Autolube (separate oil injection system).

🔧 Transmission

Transmission Type:

6-speed constant mesh manual gearbox.

Optional Transmissions:

None standard; only manual transmission was offered.

Clutch:

Wet multi-plate clutch, cable-actuated.

Gear Ratios:

Refer to manual for specific gear ratios for each of the 6 speeds.

Final Drive:

Chain drive.

Gearbox Oil Type:

Refer to manual; typically SAE 75W/90 or 80W/90 GL-4 gear oil. Capacity will be specified.

📐 Dimensions

Length:

Refer to manual; typical for this class would be around 2000 mm.

Width:

Refer to manual; typical for this class would be around 750 mm.

Height:

Refer to manual; typical for this class would be around 1150 mm.

Dry Weight:

Refer to manual; typically around 120-135 kg.

Wet Weight:

Refer to manual; typically around 135-150 kg.

Fuel Tank Capacity:

Refer to manual; typically around 12-14 liters.

Front Tire Size:

Refer to manual; commonly 100/80-17 or 110/70-17.

Rear Tire Size:

Refer to manual; commonly 130/70-17 or 140/60-17.

Wheel Type:

Alloy wheels, typically 17-inch diameter front and rear.

Wheelbase:

Refer to manual; typically around 1380-1400 mm.

🛡️ Safety Features

Safety Ratings:

Motorcycle safety ratings are typically not standardized like cars. Focus is on rider safety through handling and braking capability.

Braking System:

Disc brakes front and rear. Front typically a dual-piston caliper, rear a single-piston caliper. ABS was not common on 125cc bikes of this era.

Suspension Frontend:

Telescopic front forks. Some models may have adjustable preload. Upside-down (USD) forks were common on sportier models.

Suspension Rear:

Monoshock rear suspension with adjustable preload and possibly rebound damping.

Lighting:

Halogen headlight, taillight, brake light, turn signals.

💡 Technology Features

Infotainment System:

Basic instrumentation. No advanced infotainment systems were available on motorcycles of this class in 1997. Typically includes speedometer, tachometer, odometer, trip meter, and indicator lights.

Rider Aids:

No electronic rider aids like traction control or ABS were standard on this model. Emphasis is on rider skill.

Connectivity Features:

None.

🔧 Maintenance

Oil Change Interval:

Refer to manual for specific gearbox oil change intervals; typically every 5,000-10,000 km or annually. Two-stroke oil level/reservoir needs regular checks.

Spark Plug Replacement:

Refer to manual; typically every 3,000-6,000 km for a 125cc two-stroke, depending on usage and plug type.

Chain Maintenance:

Lubricate and adjust chain every 500-1000 km, or more frequently if ridden in wet/dirty conditions.

Air Filter Cleaning:

Inspect and clean/replace air filter every 3,000-5,000 km, more often if used in dusty environments.

Coolant Type:

Ethylene glycol-based antifreeze/coolant mixture, typically 50/50 with distilled water. Refer to manual for specific type and capacity.

Brake Fluid Type:

DOT 4 brake fluid. Must be changed periodically as per manual recommendations (e.g., every 2 years) due to moisture absorption.

Two Stroke Oil:

High-quality synthetic or semi-synthetic 2-stroke oil specifically designed for air-cooled or liquid-cooled motorcycle engines (depending on specification). Refer to manual for recommended brand/type and ratio if pre-mixing.

Common Problems:

Common issues for 125cc two-strokes of this era can include: carburetor jetting issues, sticky power valves (if equipped), wear on the clutch plates, and general maintenance needs common to two-stroke engines (e.g., carbon buildup, regular decarbonizing).

Electrical Quirks:

Older Italian motorcycles can sometimes exhibit minor electrical gremlins due to wiring loom age or vibration. Ensuring good ground connections is vital.

Bodywork Care:

Careful cleaning of fairings and painted surfaces to maintain appearance. Use of appropriate cleaners and polishes.

📚 Vehicle History

Manufacturer Heritage:

Cagiva is an Italian motorcycle manufacturer with a history dating back to the 1970s, known for producing a range of street bikes, dirt bikes, and racing motorcycles. They often collaborated with other manufacturers or used engines from companies like Harley-Davidson (in later years) and Ducati.

Model Lineage:

The Planet 125 was part of Cagiva's strategy to offer sporty and stylish 125cc motorcycles, a segment popular for its accessibility and performance for younger riders. It evolved from earlier Cagiva 125cc sport models.

Production Period:

The Cagiva Planet was primarily produced in the mid-to-late 1990s. Specific production years can vary, but 1997 falls within its main production run.

Manufacturing Location:

Italy.

🏆 Awards & Recognition

Awards Received:

Specific awards for the Cagiva Planet are not widely documented in mainstream automotive press. Its success was more in its segment popularity and rider satisfaction for its performance and style.

Performance Ratings:

Subjective performance ratings would come from contemporary motorcycle reviews, often praising its agility and responsive engine for its class.