Segment:
Lightweight sports motorcycle, targeted at younger riders and urban commuting.
Competitors:
Competed with other 125cc 2-stroke sportbikes from brands like Aprilia (RS 125), Yamaha (TZR 125), Suzuki (RG 125), and Honda (NSR 125).
Engine Type:
Characterized by its potent 125cc liquid-cooled 2-stroke engine, offering brisk acceleration and sporty performance.
Styling:
Aggressive, faired sportbike styling inspired by larger Cagiva models and MotoGP racing machines of the era.
Handling:
Designed for agile handling with capable suspension and braking components for its class.
General Coverage:
Comprehensive service and repair for Cagiva Planet models manufactured from 1997 onwards.
Estimated Pages:
Typically between 200-400 pages for a full service manual covering a specific model line.
Type:
Service and Repair Manual
Language:
Likely English, with potential for other European languages depending on the original publisher.
Format:
Likely digital (PDF), but could also be available in printed format.
Engine:
Engine overhaul, top-end and bottom-end components, lubrication system, cooling system (if applicable).
Fuel System:
Carburetor identification, adjustment, and overhaul; fuel tank, lines, and petcock.
Ignition System:
CDI unit, ignition coil, spark plug, stator, and wiring.
Transmission:
Gearbox disassembly, inspection, and reassembly; clutch operation and adjustment.
Chassis And Frame:
Frame inspection, disassembly, and assembly; steering head bearings.
Suspension:
Front fork service, rear shock absorber inspection and replacement.
Brakes:
Front and rear brake system overhaul (disc brakes), caliper service, master cylinder, brake fluid replacement.
Electrical System:
Wiring diagrams, battery, lighting, charging system (alternator/stator), starter motor (if electric start).
Bodywork And Trim:
Panel removal and installation, seat, fenders, fairings (if applicable).
Maintenance:
Routine maintenance tasks, service intervals, lubrication points, filter replacement.
Troubleshooting:
Diagnostic charts, identification of common problems and their solutions.
Repair:
Step-by-step instructions for component repair and replacement.
Rebuilds:
Detailed procedures for engine and gearbox rebuilds.
Depth:
Comprehensive, covering everything from basic adjustments to full engine and transmission overhauls, including electrical troubleshooting.
Digital Format:
Likely PDF, optimized for searchability and printing.
Image Resolution:
High-resolution images and diagrams for clarity.
Binding:
N/A for digital format. If printed, typically spiral-bound or perfect-bound for ease of use.
Paper Quality:
N/A for digital format. If printed, usually on durable, coated paper.
Type:
Liquid-cooled, 2-stroke, single-cylinder
Displacement:
Typically 124.6 cc (specific variations may exist)
Bore X Stroke:
Commonly 56 mm x 50.6 mm (may vary)
Compression Ratio:
Likely around 7.4:1 to 8.0:1 (check specific model variants)
Power Output:
European models typically produced around 15 kW (20 hp) at 9000 rpm to comply with licensing laws, but unrestricted race versions or performance upgrades could yield more.
Torque:
Estimated 15-17 Nm at around 8000 rpm (check specific model variants)
Cooling System:
Liquid-cooled with radiator and fan (if applicable).
Carburetor:
Often a single Dell'Orto PHBH 28 or similar performance carburetor.
Fuel Type:
Unleaded gasoline (95 RON or higher recommended)
Oil Mixing:
Premix or automatic oil injection system (check specific model).
Length:
Refer to specific model year specifications in the manual, generally around 2000-2100 mm.
Width:
Refer to specific model year specifications in the manual, generally around 700-800 mm.
Height:
Refer to specific model year specifications in the manual, generally around 1100-1200 mm.
Dry Weight:
Typically around 120-135 kg (dry).
Fuel Capacity:
Around 12-14 liters.
Crash Safety:
Motorcycles of this era do not have formal automotive crash safety ratings like cars. Safety relies on rider skill and protective gear.
Braking:
Front and rear disc brakes for effective stopping power.
Lighting:
Headlight, tail light, brake light, turn signals.
Frame Construction:
Steel perimeter or trellis frame designed for rigidity and handling.
Tires:
Sport-oriented tire sizes for grip and stability.
Instrumentation:
Analog tachometer, speedometer, odometer, trip meter, and warning lights.
ABS:
ABS was not a common feature on 125cc sportbikes of this era. Not expected to be present.
Smartphone Integration:
N/A. This is a classic sportbike without modern digital connectivity features.
Oil Change 2Stroke:
Regular checking and replenishment of 2-stroke oil reservoir (if applicable). Check manual for specific mileage or time intervals.
Spark Plug Replacement:
Recommended every 3,000-5,000 km, depending on usage and plug type. Check manual for specific NGK or equivalent part numbers.
Air Filter Cleaning:
Every 3,000-5,000 km. Clean or replace as per manual.
Chain Lubrication:
Frequent lubrication and adjustment, especially under wet conditions.
Top End Rebuild:
2-stroke engines benefit from periodic top-end rebuilds (piston rings, piston, cylinder inspection) typically every 10,000-20,000 km, depending on performance and maintenance.
Coolant:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Capacity around 0.7-1.0 liter.
Brake Fluid:
DOT 4 recommended for hydraulic brake systems.
Gearbox Oil:
Likely SAE 75W/90 or similar GL-4 transmission oil. Capacity around 0.6-0.8 liters.
2Stroke Oil:
High-quality synthetic 2-stroke oil for premix or injection systems, specifically designed for liquid-cooled engines.
2Stroke Engine Wear:
Common for high-performance 2-strokes to require regular piston ring and potentially cylinder wear inspection and replacement due to operating conditions.
Carburetor Tuning:
Carburetors can require periodic cleaning and adjustment, especially if fuel quality varies or after periods of storage.
Exhaust Power Valve:
The exhaust power valve system (if equipped) can accumulate carbon deposits and require cleaning or service to maintain optimal performance.
Electrical Connections:
As with many bikes of this era, corrosion on electrical connectors can lead to intermittent faults.
Cagiva Legacy:
Cagiva, an Italian manufacturer, has a rich history in motorcycle racing, particularly in Grand Prix with models like the GP500. This racing pedigree often influenced their production bikes.
Planet Development:
The Planet was part of Cagiva's strategy to offer sporty, accessible 125cc machines, often building on established engine platforms but with updated styling and chassis components.
Manufacturing Location:
Primarily manufactured in Italy.
Production Period:
Produced throughout the late 1990s and early 2000s, with variations in engine and styling updates.
