Maserati 2000 Biturbo / 2000 Si / 2500 / 2800 / 2.24V Service Manual
Factory service and repair documentation for Maserati Biturbo engines — comprehensive technical specifications, turbocharger diagnostics, electronic fuel injection systems, and factory-recommended maintenance schedules for optimal performance.
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Sample pages from the Maserati 2000 Biturbo / 2000 Si / 2500 / 2800 / 2.24V Service Manual manual
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Maserati Models Covered & Key Technical Specifications
Models: Maserati 2000 Biturbo, 2000 Si, 2500, 2800, 2.24 V Sub-models / Variants: Coupé, S Coupé, 2.0 Spyder, 2.0 i Coupé, Si Coupé, 2.0 i Spyder, 420, 420 S, 420 i, 420 Si, 222, 422, SE, Spyder, 425, 222 E, Spyder i, 228, 430, Karif, USA version, USA/CH/S versions, MABC modification Build Years: 1982–1992 Technical Data:
- Engine Configuration: V-6 at 90 degrees
- Engine Displacement: 1996 cc (2000/2000 Si/2.24 V), 2491 cc (2500), 2790 cc (2800)
- Compression Ratio: 7.3:1 to 7.8:1 depending on variant
- Maximum Power: 180–285 HP (132–210 kW) at 5500–6250 rpm
- Peak Torque: 253–432 Nm (25.8–44 kgm) at 3200–5000 rpm
- Transmission: ZF S5.18/3 manual 5-speed, 3-speed automatic, 4-speed automatic
- Electrical System: 12V, 55 Ah battery, 65 A alternator
Maserati Manual Features & Content Preview
Maserati Biturbo Series Technical Overview
- Covers the 1982–1992 Maserati 2000 Biturbo, 2000 Si, 2500, 2800, and 2.24 V, including V-6 variants, Spyders, and international market-specific trim levels
- Official Maserati Service Manual, multi-language edition featuring extensive technical data, diagnostic flowcharts, and engine assembly references
- Features 102 specific workshop tools illustrated with part numbers and application notes, plus comprehensive electrical wiring diagrams for ignition and electronic fuel injection systems
- Files are available to download to your account within seconds of checkout
- Unlimited re-downloads tied to the purchase record
- Print resolution preserves exploded-view detail
- Indexed PDF search covers every chapter and appendix
- This 597-page reference remains the definitive source for engine specifications and factory alignment procedures for the Biturbo model range
Engine and Fuel System Documentation
This Maserati 2000 Biturbo service publication provides detailed technical insights into the maintenance and overhaul of the Biturbo, 2000 Si, 2500, 2800, and 2.24 V model architecture. The manual is structured by primary assembly, covering the engine block, crankshaft, connecting rods, cylinder head dimensions, and complex turbocharging systems. Technical data tables delineate specific valve clearances, piston tolerances, and camshaft lift specifications for each engine version.
The fuel and ignition section documents the Weber 36 DCNVH carburetor and IAW Speed Density injection systems, including pinouts and sensor reference values. The Maserati 2000 Biturbo manual details fuel pressure regulation settings, pressure sensor calibration, and electronic control unit parameters for both the 2000 Si and 2800 variants.
Chassis and Electrical Specifications
Technical Highlights
Clutch engagement is documented with a 215 mm single dry plate specification, while manual transmission gear ratios are listed for the ZF S5.18/3 gearbox. The Maserati 2800 differential and suspension alignment tables provide specific toe-in and camber values for various 1982–1992 configurations. Wiring diagrams provide the electrical architecture for lighting, fuel pumps, and climate control circuits.
Valve clearance for intake valves is specified at 0.30–0.35 mm in the head specification data. Coolant system pressure is documented at 0.9 bar for the entire 1982–1992 engine range. Fuel pump delivery data is cross-referenced with the Walbro 7509 series in the fuel system specifications. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 597-page Maserati OEM workshop manual covering the 1982–1992 Biturbo, documenting engine, chassis, electrical, and fuel-injection specifications for the 2.0 L, 2.5 L, and 2.8 L engine configurations.
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