MERCURY Download 1998 1999 Service Manual 135/150 HP Optimax PDF

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🏷️ Basic Information Identification Make: Mercury Model: Optimax Year: 1998-1999 Generation: Optimax DFI 📋 Manual Details Publication Manual Type: Service Manual / Repair Manual Language: English Format: PDF Availability Delivery:...

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Type: Engine

Vendor:

Sku: 36716

Tags: 135 HP Optimax 150 HP Optimax 1998 1999 Engine Marine Mercury Model 500 Outboard Engines

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Description

🏷️ Basic Information

Identification

Make:

Mercury

Model:

Optimax

Year:

1998-1999

Generation:

Optimax DFI

📋 Manual Details

Publication

Manual Type:

Service Manual / Repair Manual

Language:

English

Format:

Availability

Delivery:

Instant Download

⚙️ Engine Specifications

General

Engine Type:

Direct Fuel Injection (DFI)

Engine Configuration:

V6 (Implied by common Optimax configurations)

Engine Displacement:

Not Specified (Commonly 2.5L for these models)

Performance

Power Output 135Hp:

135 HP

Power Output 150Hp:

150 HP

Fuel System

Fuel System Type:

Multi-point Sequential Electronic Fuel Injection

Recommended Fuel:

87, 91, 92, 93 Octane; Race Gas

Cooling System

Cooling System Type:

Water Cooled

Ignition

Ignition Type:

Electronic

Spark Plug Type:

Specified in manual

Engine Internals

Engine Valvetrain:

Lubrication

Lubrication System Type:

Wet Sump

Thermodynamics

Thermostat Operating Temperature:

Specified in manual

🔧 Transmission

Gear Ratio

Gear Ratio:

Specified in manual

Gears

Gears:

Forward-Neutral-Reverse

Propeller Rotation

Propeller Rotation:

Right-hand rotation (Standard)

Counter Rotation Available:

Yes (Implied by 'Propeller Counter rotation' mention)

Lower Unit

Lower Unit Gear Oil Capacity:

Specified in manual (ml)

📐 Dimensions

Physical

Transom Height:

Specified in manual

Overall Length:

Not Specified

Overall Width:

Not Specified

Weight:

Not Specified

🔧 Maintenance

Intervals

Service Interval Recommendations:

Follow Maintenance Schedule

Fluids

Engine Oil Change:

Procedure detailed

Gear Oil Change:

Procedure detailed

Components

Spark Plug Maintenance:

Procedure detailed

Water Pump Impeller Replacement:

Procedure detailed

Fuel Filter Replacement:

Low Pressure and High Pressure detailed

Adjustments

Idle Speed Adjustment:

Procedure detailed

Tappet Clearance Adjustment:

Procedure detailed

Diagnostics

Troubleshooting:

Covered in relevant sections

Safety

Anode And Bonding Wire Maintenance:

Procedure detailed

Performance Tuning

Ignition Timing Adjustment:

Procedure detailed

Carburetor Adjustment:

Procedure detailed (where applicable)

Efi System Diagnosis:

Covered in manual

Electrical System

Battery Charging System Testing:

Procedure detailed

Starter Motor Testing:

Procedure detailed

Wiring Diagrams Included:

Engine Rebuild

Powerhead Rebuild:

Comprehensive procedures

Mid-Section Rebuild:

Comprehensive procedures

Lower Unit Rebuild:

Comprehensive procedures

Gear Shim And Adjustment:

Procedure detailed