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.
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
Model Years: 1982–1992
Technical Data:
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Engine Configuration: V-6 at 90 degrees
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Engine Displacement: 1996 cc (2000/2000 Si/2.24 V), 2491 cc (2500), 2790 cc (2800)
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Compression Ratio: 7.3:1 to 7.8:1 depending on variant
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Maximum Power: 180–285 HP (132–210 kW) at 5500–6250 rpm
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Peak Torque: 253–432 Nm (25.8–44 kgm) at 3200–5000 rpm
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Transmission: ZF S5.18/3 manual 5-speed, 3-speed automatic, 4-speed automatic
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Electrical System: 12V, 55 Ah battery, 65 A alternator
Maserati Manual Features & Content Preview
Maserati Biturbo Series (1982–1992) Factory Service Manual
- 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 597-page OEM Maserati service manual, featuring extensive diagnostic flowcharts, engine assembly references, and complete technical data.
- Includes 102 specific workshop tools illustrated with part numbers and application notes, plus comprehensive electrical wiring diagrams.
- Instant download access directly to your account immediately after secure checkout.
- Unlimited re-downloads with a fully searchable, high-resolution PDF that perfectly preserves exploded-view details.
Engine and Fuel System Documentation
This official service publication delivers the essential specifications needed to accurately maintain and overhaul the Biturbo, 2000 Si, 2500, 2800, and 2.24 V model architecture. Organized by primary assembly, the manual breaks down the engine block, crankshaft, connecting rods, and complex turbocharging systems. You will find precise technical data tables outlining valve clearances, piston tolerances, and camshaft lift specifications for each specific 2.0 L, 2.5 L, and 2.8 L engine configuration. Working on high-performance turbocharged engines involves extreme pressures and specialized components; always verify exact factory tolerances and adhere to standard workshop safety practices before beginning major disassembly. Access these critical factory alignment procedures via instant download to keep your project moving without delay.
Fuel, Ignition, and Chassis Specifications
The fuel and ignition sections thoroughly document both the Weber 36 DCNVH carburetor and IAW Speed Density injection systems. Reference exact pinouts, sensor values, fuel pressure regulation settings, and ECU parameters. For drivetrain and chassis work, the manual details the 215 mm single dry plate clutch engagement and ZF S5.18/3 manual transmission gear ratios.
Suspension alignment tables provide specific toe-in and camber values, while the chassis electrical section maps the complete wiring architecture for lighting, fuel pumps (including Walbro 7509 series delivery data), and climate control. Essential baseline specs, like the 0.30–0.35 mm intake valve clearance and 0.9 bar coolant system pressure, are clearly indexed. This reference provides the definitive factory data required for accurate, professional-grade restoration and diagnostics.
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