1996-2010 Mercury Mariner 8hp, 9.9hp Outboard Motor Service Manual
Technical reference spanning Mercury Mariner 8hp, 9.9hp outboards from 1996-2010, covering specifications, maintenance procedures, and troubleshooting. Part number 90-827857R1.
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Sample pages from the 1996-2010 Mercury Mariner 8hp, 9.9hp Outboard Motor Service Manual manual
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Models Covered & Key Technical Specifications
Mercury Mariner 8hp, 9.9hp Outboard Motor Service Manual: 1996-2010 Mercury Mariner 8hp, 9.9hp Outboards (90-827857R1) — 1996-2010
- Nominal Liquid Volume: 1.0 Liter (1.0 US Quart) capacity defines the engine oil requirement Framework.
- Principal Ignition Timing: For optimal operation, 5° ± 1° BTDC signifies the base timing setting Threshold.
- Rated Specific Gravity: For a fully charged battery, 1.270 is the specified electrolyte concentration Benchmark.
- Technical Spark Plug Gap: The ignition system requires a 0.024 - 0.028 in. gap for proper spark delivery Configuration.
- Standard Fuel Pressure: 3-6 PSI defines the required fuel delivery pressure Range.
- Design Water Pressure: For engine cooling, 5-7 PSI at W.O.T. ensures adequate water circulation Requirements.
Professional Workshop Service Manual & Technical Specifications
Mercury Mariner 8hp, 9.9hp Outboard Motor Service Manual: 1996-2010
Documentation-Type: Service Manual // Year-Coverage: 1996-2010 // System: Outboard Motor Logic
Specifications
| Performance-Element | Operational-Logic | Calibration-Data |
|---|---|---|
| Idle RPM | 950 ± 50 RPM | Carburetor |
| Trolling RPM | 850 ± 50 | Carburetor |
| WOT RPM | 5000 - 5500 | Carburetor |
| Spark Plug Gap | 0.024 - 0.028 in. | Ignition System |
| Gear Ratio | 2.00:1 | Gear Housing |
| Oil Capacity | 1 Quart (1 Liter) | Lubrication System |
Table of Contents Summary
The documentation provides guidance on:
- Ignition System Components
- Gear Case Lubrication
- Carburetor Adjustments
- Water Pump, Drive Shaft and Shift Shaft
- Crankshaft, Pistons And Connecting Rods
Detailed Procedures
This manual documents procedures for various systems, including the ignition, fuel, and powerhead. It details disassembly and reassembly steps for components like the carburetor, fuel pump, and cylinder head. Specifications for key elements such as valve clearances and timing belts are provided.
This manual documents torque specifications for various components, including the cylinder head bolts, to ensure proper gasket seal integrity.
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