Target Audience:
FSO 125P owners, mechanics, restorers, hobbyists seeking self-sufficiency in maintenance and repair.
Value Proposition:
Cost savings on professional labor and parts through empowered DIY maintenance and repair. Access to professional-level diagnostic and repair information.
Digital Delivery:
Instant download via email, unlimited use.
User Friendliness:
Easy to use PDF format, no advanced computer skills required, printable pages.
Support:
Technical assistance available via email from the seller.
Engine:
Complete diagnostics, repair, rebuild, tuning
Transmission:
Repair, maintenance, clutch service, gearbox overhaul
Drivetrain:
Differential, driveshafts, wheel bearings
Suspension:
Front and rear suspension, shock absorbers, springs, bushings
Steering:
Steering column, linkages, adjustments
Brakes:
Hydraulic system, brake lines, calipers, drums, master cylinder, adjustments
Electrical System:
Wiring diagrams, battery, alternator, starter, ignition system, lighting, instrumentation
Fuel System:
Carburetor service, fuel pump, fuel lines, tank
Cooling System:
Radiator, water pump, thermostat, hoses, fan
Exhaust System:
Manifold, pipes, muffler, catalytic converter (if applicable)
Body And Chassis:
Body panel repair, rust prevention, door mechanisms, glass replacement
Interior:
Seat removal, dashboard components, trim panels
Maintenance:
Oil changes, filter replacements, tune-ups, lubrication, belt replacement
Diagnostics:
Troubleshooting guides, common fault identification
Repair:
Component-level repair and replacement for all major systems
Rebuilding:
Detailed instructions for engine, transmission, and other major component overhauls
Refurbishment:
Guidance for restoring worn components and cosmetic aspects
Restoration:
Comprehensive information for returning the vehicle to its original specification
Depth:
Comprehensive (A-Z coverage), suitable for professional technicians and DIY enthusiasts
Supported Os:
PC & MAC Computers (Windows 95 through Windows 8, Mac OS)
Software Requirements:
Adobe Acrobat Reader (or compatible PDF viewer)
Printability:
High-quality, printable pages
Binding:
Digital download (no physical binding)
Paper Type:
N/A (Digital format allows for on-demand printing on any paper type)
Engine Type:
Inline-4 Cylinder, OHC (based on Fiat Twin Cam engine derivative)
Displacement:
1608 cc (approximate)
Bore X Stroke:
80 mm x 80 mm (typical for this engine family)
Compression Ratio:
8.8:1 (typical)
Horsepower:
90 PS (approx. 88 bhp) @ 5400 rpm (typical for 1608cc OHC variant)
Torque:
127 Nm (approx. 94 lb-ft) @ 3500 rpm (typical)
Fuel Delivery:
Twin-choke downdraft carburetor (e.g., Weber 34 DCHE or Solex C34 PAIA)
Fuel Type:
Unleaded gasoline (Octane rating 95 RON recommended)
Ignition Type:
Distributor-based, contact breaker points (may have electronic ignition upgrades)
Cooling Medium:
Water-cooled
Oil Capacity:
Approx. 4.5 Liters (with filter change)
Recommended Oil Viscosity:
SAE 20W-50 or 10W-40 (depending on climate and engine condition)
Type:
4-speed Manual (synchromesh on all gears)
Type:
Optional 3-speed Automatic Transmission (less common)
Clutch:
Single dry plate, hydraulically actuated
Transmission Oil Type:
GL-4 Hypoid Gear Oil (e.g., SAE 75W-90 or 80W-90)
Transmission Oil Capacity
Capacity:
Approx. 1.5 Liters
Crash Test Data:
Limited official crash test data available due to era of production. Design based on contemporary Fiat standards.
Braking System:
Hydraulic dual-circuit braking system, front disc brakes, rear drum brakes.
Seat Belts:
Provision for seat belts, likely lap belts in front and rear (three-point belts often an aftermarket addition).
Construction:
Unitary body construction with integrated safety cage elements.
Audio System:
Basic AM/FM radio, likely with analog tuning. Aftermarket upgrades are common.
Dashboard Features:
Mechanical gauges for speed, RPM, fuel, temperature, oil pressure. Basic indicator lights.
Connectivity Features:
None standard. Primarily mechanical systems.
Engine Oil Change:
Every 5,000 km or 6 months, whichever comes first.
Oil Filter Replacement:
With every oil change.
Air Filter Replacement:
Every 10,000 km or annually.
Spark Plug Replacement:
Every 15,000 - 20,000 km.
Brake Fluid Change:
Every 2 years, regardless of mileage.
Brake Fluid:
DOT 3 or DOT 4 Hydraulic Brake Fluid
Coolant:
Ethylene Glycol based antifreeze (50/50 mix with distilled water)
Power Steering Fluid:
N/A (Manual steering system)
Common Problems:
Rust ingress (particularly sills, wheel arches, floor pans), carburetor tuning sensitivity, electrical connector corrosion, suspension bushing wear.
Durability:
Robust mechanicals, but prone to wear and tear if not properly maintained, especially in harsh climates.
Fso Background:
Fabryka Samochodów Osobowych (FSO) was a Polish automobile manufacturer, licensed to produce Fiat models.
Based On:
Based on the Fiat 125, but with significant modifications and updates, particularly the engine and some styling cues from the Fiat 132.
Development:
Developed as a more modern and powerful alternative to earlier Polish Fiat models, offering improved performance and comfort.
Production Period:
1967–1991 (for the 125P lineage)
Manufacturing Location:
Warsaw, Poland
