Engine rebuild, transmission overhaul, brake system repair, suspension component replacement, electrical component diagnostics and repair
Diagnostics:
Troubleshooting guides for common issues, electrical system diagnostics, engine performance problems
Technical Depth
Depth:
Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers detailed disassembly, assembly, adjustment, and troubleshooting.
📊 Manual Specifications
File Format
Format:
PDF
Compatibility:
All versions of Windows and Mac OS
Print Quality
Printability:
Full printable pages, high resolution for clear reproduction
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
Requirements
Software Requirements:
Adobe PDF Reader, WinRAR (for extraction)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Two-cylinder, air-cooled, inline (OHV)
Engine Code:
100.000 / 100F.000 (early models), 120.000 (later models like 500L)
Displacement:
499.5 cc (0.5 L)
Bore X Stroke:
67.4 mm x 70 mm
Performance
Horsepower Rating:
Approximately 17-23 hp (depending on specific variant and engine tune)
Torque Rating:
Approximately 33-38 Nm (24-28 lb-ft)
Fuel System
Fuel Delivery:
Single downdraft carburetor (e.g., Weber 26 IMB, Solex 26 FH)
Fuel Type:
Unleaded gasoline (91 RON or higher recommended for modern fuels, historically leaded gasoline was used)
Ignition System
Ignition Type:
Distributor-based, coil ignition
Cooling System
Cooling Method:
Air-cooled
🔧 Transmission
Standard
Type:
4-speed manual transaxle
Optional
Automatic Transmission:
Not available for this model year.
Features
Gear Ratios:
Specific ratios vary by model variant; typically includes a synchronized top gear.
Fluid Specifications
Transmission Fluid Type:
GL-4 Gear Oil, SAE 75W-90 or 80W-90 (refer to manual for exact Fiat specification, e.g., FIAT O.E.M. spec)
Clutch
Clutch Type:
Dry single-plate diaphragm spring clutch
📐 Dimensions
Exterior
Length:
Approx. 2970 mm (117 in)
Width:
Approx. 1300 mm (51 in)
Height:
Approx. 1320 mm (52 in) (depending on roof type)
Wheelbase:
Approx. 1840 mm (72.4 in)
Weights
Curb Weight:
Approx. 470-550 kg (1036-1213 lbs) (depending on variant)
Gross Vehicle Weight Rating:
Not typically specified in readily available public data, but generally around 800-900 kg.
Cargo
Cargo Volume:
Minimal; small storage area under the front hood and behind rear seats.
🛡️ Safety Features
Ratings
Crash Test Ratings:
Not applicable for vehicles of this era; safety standards were significantly different.
Active Features
Braking System:
Hydraulic drum brakes on all four wheels (front often dual-circuit with a single master cylinder, later variants may have incorporated dual circuits for improved safety).
Passive Features
Seat Belts:
Optional or standard depending on market and specific production date. Early models may not have them.
Construction:
Unitary body construction with integrated chassis elements.
💡 Technology Features
Infotainment
Original Infotainment:
Basic analog radio (optional), simple dashboard instrumentation (speedometer, fuel gauge, oil pressure light).
Driver Assistance
Active Safety Systems:
None by modern standards. Basic chassis and braking systems.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,000 - 5,000 km (approx. 2,000 - 3,000 miles) or annually, whichever comes first. Refer to manual for specific intervals.
Spark Plug Replacement Interval:
Every 10,000 - 15,000 km (approx. 6,000 - 9,000 miles). Refer to manual for exact type and gap.
Valve Adjustment Interval:
Regular checks and adjustments recommended every 10,000 - 15,000 km (approx. 6,000 - 9,000 miles).
Fluid Specifications
Engine Oil Type And Capacity:
SAE 20W-50 API SF or SG (modern equivalent), capacity approximately 2.5 - 3.0 liters (refer to manual for precise capacity and Fiat specification).