Mercury MerCruiser 262 CID (4.3L) Inboard Engine Service Manual
Complete service documentation for Mercury MerCruiser 4.3L (262 CID) engines. Includes procedures for disassembly, inspection, assembly, and adjustment. Part Number 90-861328-1.
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Models Covered & Key Technical Specifications
Mercury MerCruiser 262 CID (4.3L) (90-861328-1) - MCM Models (Sterndrive) / MCM (Sterndrive) Comprehensive service documentation addressing engine disassembly, inspection, assembly, and adjustment.
- Published Technical Data: 190 HP establishes the rated power output Specifications.
- Specific Engine Configuration: For optimal performance, the V-6 configuration ensures efficient operation.
- Integral Displacement Measurement: 262 cid -- signifies the total engine displacement Capacity.
- Operational Bore Sizing: The cylinder bore requires 4.00 in. for standard operation Dimensions.
- Fundamental Compression Ratio: The engine compression ratio is specified as 9.4:1 Standard.
- Universal Stroke Measurement: Piston stroke measures 3.48 in. for optimal engine stroke Parameters.
Professional Workshop Service Manual & Technical Specifications
OEM-Grade Operations Manual: Mercury MerCruiser 262 CID (4.3L) Inboard Engine Service Manual (Number 25) - Comprehensive Diagnostics & Maintenance
System-Identifier: 262 CID (4.3L) Engines / MCM (Sterndrive) // Conceptual-Layout: Engine / Sterndrive Logic // Serial-Range: 1998-2001 Specification-Guide
| Identifier | Parameters | Logic |
|---|---|---|
| Engine Model | 4.3L | Standard |
| Displacement | 262 CID (4.3L) | Core |
| Bore x Stroke | 4.00 x 3.48 in. | Baseline |
| Compression Ratio | 9.4:1 | Engine Data |
| Firing Order | 1-6-5-4-3-2 | Ignition Sequence |
| Torque Specs | 18 lb-ft (25 Nm) | Fastener Values |
Integrated service sections encompass:
- Introduction and How to Use This Manual
- Maintenance Schedules and Intervals
- Engine Tune-Up Specifications
- Troubleshooting Guides for Common Issues
- Removal and Installation Procedures
Engine Overview and Systems
Safely requiring... This document details the engine's core mechanical systems, including the crankshaft, piston assemblies, and valve train components. It provides thorough instructions for their removal, cleaning, inspection, and installation.
Maintenance and Tune-Up Procedures
This manual covers essential maintenance tasks such as fluid changes, component inspections, and tune-up procedures. It guides the user through tasks like checking oil levels, replacing filters, and setting ignition timing for optimal engine performance.
Troubleshooting and Diagnostics
Detailed troubleshooting charts and diagnostic procedures are provided to help identify and resolve common engine issues. From starting problems to performance concerns, the manual offers systematic approaches to diagnosis.
documents torque specifications for cylinder head bolts to ensure proper flange face sealing.
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