Description
Factory Ferrari F40 Workshop Manual (1987–1992)
The Ferrari F40 is one of the most celebrated supercars ever built, and keeping one in peak condition demands factory-level documentation. This official workshop manual covers all 1,315 production units built between 1987 and 1992, with procedures correct for both US-spec and European-spec cars.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | Tipo F120A 2.9L twin-turbocharged V8 (IHI turbochargers, Weber-Marelli EFI, 478 hp, 7,000 RPM redline) |
| Diesel | N/A |
| Transmissions | 5-speed manual with limited-slip differential |
| Drive | RWD |
| Model Years | 1987–1992 |
| Badge Twins | F40 LM (competition variant) |
Common F40 Repairs Covered
| System | Procedures |
|---|---|
| Turbocharger System | IHI turbo inspection, boost pressure calibration, wastegate adjustment, and intercooler hose replacement — a known weak point on aging F40s |
| Fuel System | Weber-Marelli injector service, fuel pump replacement, filter intervals, and fuel line inspection for age-related deterioration |
| Clutch & Gearbox | Clutch assembly removal and replacement, gear synchronizer inspection, gear ratio specifications, and differential service |
| Cooling System | Radiator and coolant hose replacement, thermostat service, and cooling fan relay diagnostics to prevent overheating under hard use |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why are the turbo boost hoses a known concern on the F40?
The original rubber intercooler and turbo boost hoses on the F40 are now 30+ years old and prone to cracking or collapsing under pressure. This manual details the correct IHI turbocharger plumbing layout, boost circuit inspection procedures, and replacement specifications so you can restore factory boost pressure and prevent catastrophic power loss or engine damage.
Does this manual cover the F40 LM competition variant?
Yes. The manual covers F40 LM variants where applicable alongside the 1,315 standard production units. Both chassis code families — ZFFGJ34B and ZFFMN34A — are supported, and procedures note any differences between standard road cars and competition-spec builds.
Are wiring diagrams and Weber-Marelli EFI schematics included?
Full electrical coverage is included. This encompasses Weber-Marelli engine management wiring, turbocharger boost control circuits, fuel injection pin-out diagrams, ignition schematics, lighting circuits, and charging system documentation — all with color-coded conductor identification and connector references.
What format is the manual?
This manual is delivered as a fully searchable PDF, compatible with Windows, Mac, Linux, iOS, and Android devices. Pages can be printed individually for bench use, and the file is available for lifetime re-download after purchase.





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