Market Position:
The Peugeot 103 was a ubiquitous and highly popular moped, especially in Europe, known for its robust construction, simplicity, and affordability. It served as a primary mode of transportation for many generations.
Competitive Analysis:
Competed with other European mopeds of its era such as Puch, Tomos, and MBK (Motobecane), offering a balance of performance, durability, and ease of maintenance. Its distinctive styling and strong brand heritage set it apart.
Key Features:
Lightweight aluminum frame, reliable 2-stroke engine, simple operation, excellent fuel economy, wide availability of parts.
Coverage Areas:
Complete service, repair, and maintenance for the Peugeot 103 moped. Includes engine, transmission, electrical system, chassis, brakes, suspension, and bodywork.
Page Count:
Approx. 150-250 pages (estimated for a comprehensive service manual of this type)
Manual Type:
Service and Repair Manual
Language:
English (likely, or original manufacturer language with potential translation)
Format:
Digital (PDF) or Printed
Applicable Years:
Covers the broad range of Peugeot 103 production, generally from the early 1970s to the early 2000s. Specific sub-models and engine variations within this period should be detailed in the manual's introduction.
Manual Completeness:
Full workshop manual providing all necessary data for diagnosis, repair, and maintenance.
Systems Covered:
Engine (carburetor, ignition, cooling, exhaust), Fuel System, Transmission (clutch, drive chain), Brakes (front and rear), Suspension (front fork, rear shocks), Electrical System (lighting, horn, wiring diagrams), Frame and Bodywork, Wheels and Tires, Lubrication, Troubleshooting.
Procedures Included:
Routine maintenance (oil changes, spark plug replacement, chain adjustment), carburetor tuning, engine rebuild, clutch adjustment and replacement, brake bleeding and pad replacement, fork seal replacement, electrical troubleshooting, chassis alignment, general repairs and adjustments.
Technical Depth:
Comprehensive: from basic owner maintenance to advanced engine overhaul and electrical diagnostics. Suitable for home mechanics and professional technicians.
Troubleshooting Guides:
Detailed symptom-based troubleshooting charts for common starting, running, and electrical issues.
Engine Rebuild:
Step-by-step instructions for full engine disassembly, cleaning, inspection, and reassembly, including piston, cylinder, crankshaft, and bearings.
Wiring Diagrams:
Comprehensive wiring diagrams illustrating all circuits for lighting, ignition, horn, and other electrical components.
Frame Repair:
Information on frame inspection, minor straightening, and mounting points for components.
Suspension Overhaul:
Procedures for fork disassembly, seal replacement, oil changes, and rear shock absorber inspection and replacement.
Brake System Overhaul:
Detailed guidance on brake drum inspection, shoe replacement, linkage lubrication, and cable adjustment.
File Format:
Searchable PDF with high-resolution diagrams and schematics.
Print Quality:
High-resolution, clear text and diagrams suitable for printing.
Binding Type:
Professionally bound with durable cover (for printed versions).
Paper Type:
Heavy-duty paper stock to withstand workshop use (for printed versions).
Primary Engine:
Peugeot 103cc air-cooled 2-stroke single-cylinder engine.
Horsepower:
Typically 3-5 HP (depending on variant and tuning)
Torque:
Approx. 3-4 Nm (estimated)
Fuel System:
Carburetor, typically a Dell'Orto SHA 14/12 or similar.
Ignition Type:
Points and Condenser or Electronic Ignition (depending on year/variant).
Cooling System:
Forced Air Cooling.
Bore Stroke:
Approx. 45mm x 42mm (varies by specific engine variant)
Compression Ratio:
Approx. 7.5:1 - 8.5:1
Spark Plug Recommendation:
NGK B6HS or equivalent (check manual for precise fitment)
Transmission Type:
Automatic centrifugal clutch with V-belt drive (often referred to as Vario or automatic transmission).
Optional Transmission:
Some early or specialized variants might have featured different drive systems, but the automatic clutch was standard for most production models.
Drive System:
Direct drive via V-belt to rear wheel.
Transmission Fluid Type:
No separate transmission fluid; engine oil acts as lubricant for clutch and primary drive. Requires specific 2-stroke oil mixture in fuel.
Safety Ratings:
Not applicable in modern automotive crash testing standards; designed for low-speed urban transport.
Active Safety Features:
Basic braking system (drum brakes front and rear), stable chassis geometry.
Passive Safety Features:
Frame structure, rider positioning.
Service Intervals:
Routine checks: every 1000-1500 km. Carburetor cleaning: as needed, typically every 5000 km. Engine de-carbonization: as needed.
Engine Oil Type:
High-quality 2-stroke oil, pre-mixed with fuel at a ratio specified by Peugeot (typically 2% or 50:1, but always verify with the manual).
Brake Fluid Type:
DOT 3 or DOT 4 mineral brake fluid (depending on system, check manual).
Gear Oil:
No separate gear oil; lubrication for clutch and primary drive is provided by the 2-stroke oil mixed in fuel.
Common Issues:
Wear and tear on clutch plates, carburetor clogging, aging electrical components, ignition points failure (on older models), exhaust carbon buildup.
Air Filter Part Number:
Varies by model year and variant, consult manual for specific PN (e.g., original Peugeot or common aftermarket equivalents).
Tune Up Procedures:
Spark plug gap adjustment, carburetor idle and mixture adjustment, ignition timing check (if applicable), general inspection of all components.
Brand Heritage:
Peugeot is one of the oldest and most prestigious automotive manufacturers in the world, with a long history of producing motorcycles, scooters, and automobiles since the late 19th century.
Model Evolution:
The Peugeot 103 was first introduced in the early 1970s and remained in continuous production for several decades, undergoing various minor updates and engine variants but retaining its core design principles.
Production Period:
Early 1970s to early 2000s.
Production Locations:
Primarily France.
