Segment:
Lightweight Scooter / Moped
Target Audience:
Commuters, urban riders, recreational users seeking an economical and simple mode of transportation.
Competitors:
Honda Spree, Yamaha QT50 Yamahopper, Tomos models, Vespa LX models of the era.
Simplicity:
Known for its straightforward mechanical design and ease of operation.
Fuel Efficiency:
Excellent fuel economy, making it an economical choice for daily use.
Maneuverability:
Compact size and light weight provide excellent maneuverability in urban environments.
Dealership Support:
Historically supported by Suzuki dealerships for parts and service.
Model Years Covered:
1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991
Region Coverage:
Global (General Specifications)
Estimated Pages:
Approximately 200-300 pages (typical for this era's service manuals)
Type:
Service Repair Manual
Engine Mechanical:
Engine removal/installation, cylinder head, cylinder block, crankshaft, piston, connecting rod, camshaft, valve train, lubrication system, cooling system.
Fuel System:
Carburetor (identification, disassembly, cleaning, adjustment, troubleshooting), fuel tank, fuel lines, fuel filter.
Ignition System:
Ignition coil, spark plug, CDI unit, stator, wiring diagrams.
Transmission:
Automatic transmission (CVT - Continuously Variable Transmission) disassembly, assembly, torque converter, drive belts, pulleys, clutch.
Brakes:
Front drum brake, rear drum brake, brake shoes, brake drums, brake cables, adjustment procedures.
Suspension:
Front fork (telescopic), rear suspension (shock absorber, swingarm), wheel bearings, linkage.
Steering:
Handlebars, steering stem, steering bearings, adjustment.
Electrical System:
Lighting system (headlight, taillight, turn signals), horn, battery, charging system (stator, rectifier/regulator), starter motor (if applicable), wiring diagrams.
Bodywork Chassis:
Frame, body panels, seat, fenders, storage compartment, disassembly/assembly.
Maintenance:
Regular inspections, oil changes, filter replacements, spark plug checks, brake adjustments, drive belt inspection/replacement, carburetor cleaning, lubrication points.
Troubleshooting:
Diagnostic charts, common problems and their solutions, electrical system diagnosis, engine performance issues.
Repair:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly of all major vehicle systems.
Technical Specifications:
Torque specifications for fasteners, engine clearances, fluid capacities, electrical component resistance values, measurement specifications.
Depth:
Comprehensive coverage from basic routine maintenance to in-depth engine and transmission overhauls. Includes detailed diagrams and specifications essential for professional repairs.
Engine Type:
2-stroke, air-cooled, single-cylinder
Displacement:
49 cc (approximately)
Bore X Stroke:
Typical for 49cc class, e.g., 39.0 mm x 41.4 mm
Compression Ratio:
Approximately 7.0:1
Horsepower:
Around 3.5 - 4.0 HP (varies by specific model year and tuning)
Torque:
Typically around 3.0-3.5 Nm
Top Speed:
Around 30-35 mph (dependent on rider weight, terrain, and tuning)
Carburetor Model:
Mikuni VM16SC or similar (common for this era and displacement)
Fuel Type:
Unleaded gasoline mixed with 2-stroke oil
Oil Mixture Ratio:
Typically 50:1 or 100:1 (refer to manual for exact specification)
System:
Oil injection (autolube) or pre-mix (manual will specify)
Oil Change Engine:
Refer to manual, typically every few thousand kilometers or annually.
Air Filter Cleaning:
Every 1,000-2,000 km or annually.
Spark Plug Replacement:
Every 3,000-5,000 km, or as needed based on condition.
Brake Adjustment:
As needed, or every 5,000 km.
Drive Belt Inspection:
Every 3,000-5,000 km, replacement usually around 10,000-15,000 km.
Transmission Fluid:
N/A (CVT system is sealed, belt and clutch components are lubricated by engine oil and ambient conditions)
Brake Fluid:
DOT 3 or DOT 4 hydraulic fluid (if applicable to specific caliper/master cylinder, though typically cable-actuated).
Two Stroke Oil:
API-TC, JASO FD or FD certified high-quality 2-stroke oil.
Carburetor Clogging:
Common in older carbureted vehicles due to fuel deposits, requiring regular cleaning.
Electrical Connections:
Corrosion or loosening of electrical connectors can lead to intermittent issues.
Drive Belt Wear:
Belts can degrade over time and mileage, leading to slippage or breakage.
Suspension Bushings:
Wear on suspension bushings can result in looseness and poor handling.
Manufacturer:
Suzuki Motor Corporation
Specialization:
Suzuki has a long history of producing motorcycles, scooters, automobiles, and marine engines.
Development:
The FA50 was part of Suzuki's entry into the growing moped and scooter market of the late 1970s and 1980s, emphasizing practicality and affordability.
Variants:
Minor cosmetic and specification changes may have occurred across the model years covered.
Production Period:
1980-1991
Manufacturing Location:
Primarily Japan, with potential for assembly in other regions.