1998-2001 Mercury MerCruiser Marine Engine GM V-8 Service Manual
Technical reference spanning MerCruiser No. 24 models, covering GM V-8 engines (305, 350, 377 CID). Includes diagnostic, removal, and maintenance procedures for fuel injection systems. 90-861327000
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Models Covered & Key Technical Specifications
Mercury MerCruiser (No. 24) Marine Engine GM V-8 (90-861327000) - 1998-2001 Supplement 3 This supplement details the GM V-8 engines, including the 305 CID (5.0L), 350 CID (5.7L), and 377 CID (6.2L) models. | Marine Engine Portfolio.
- Technical Engine Data: 377 cid (6.2L) specifies the displacement for this engine series.
- Detailed Component Specifications: Engine specifications include a 9.0:1 compression ratio for optimal performance.
- Specific Air/Fuel Ratios: Fuel pressure of 30 psi (207 kPa) is maintained for efficient operation.
- Electrical System Output: The electrical system provides 12 V with a negative ground configuration.
- Ignition Timing Parameters: Timing is set at 8° BTDC for the specified engine speed.
- Cooling System Specifications: The thermostat operates at 160° F (71° C) to ensure thermal regulation.
Professional Workshop Service Manual & Technical Specifications
Practical Engineering Electrical Manual: Mercury MerCruiser 1998-2001 Marine Engine GM V-8 (305 CID (5.0L), 350 CID (5.7L), Supplement 377 CID (6.2L)) repair manual Service-Catalog
Design-Core: 90-861327000 / Equipment-Series: GM V-8 / Series-Validation: 1998-2001 Safely demanding...
Parts identification is covered for engine components and systems within the manual. Removal procedures are documented for key engine parts, facilitating user access. Technical specifications are provided for various engine parameters, offering precise data for service. Factory specifications are documented for key operational data. Engine rebuild procedures are documented for significant overhauls. Component identification guides are included for easy recognition.
The documentation is partitioned into detailed sections, offering a structured approach to servicing. Key sections include "Important Information," "Maintenance," "Engine," "Electrical Systems," and "Fuel Systems," each covering specific aspects of the marine engine.
Component | Diagnostic-Logic | Logic
| Engine Mounts | Proper alignment and isolation | Vibration Dampening | Rocker Arm Cover | Sealing surfaces and gasket integrity | Oil Containment | Intake Manifold | Gasket sealing and component mounting | Airflow and Fuel Delivery | Cylinder Head | Gasket sealing and bolt torque | Combustion Seal | Crankshaft | Bearing clearances and journal condition | Rotational Smoothness
The documentation is partitioned into detailed sections, offering a structured approach to servicing. Key sections include "Important Information," "Maintenance," "Engine," "Electrical Systems," and "Fuel Systems," each covering specific aspects of the marine engine. Torque specifications are provided for critical fasteners, ensuring correct assembly. Special tools are listed for specialized procedures, aiding in accurate repairs. Engine specifications offer detailed data for performance tuning. Troubleshooting guides and diagnostic procedures are included for issue resolution.
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