This manual covers Mercury Mariner outboard motors, specifically the 3-cylinder models from 1987-1993 and 4-cylinder models from 1988-1993. These engines, offered in horsepower ratings from 70 to 115, represent a range of reliable and robust marine propulsion units. The engineering behind these outboards emphasizes durability and performance, making them a trusted choice for various boating applications. This service repair manual provides comprehensive information to ensure these engines operate at peak efficiency.
The purpose of this English-language Service Repair Manual is to provide detailed guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner outboard. It includes in-depth procedures for engine systems such as ignition, carburetion, fuel, oil injection, starting, and battery charging. Additionally, the manual covers service for the lower unit, gear housing, mid-section, shock absorbers, power trim systems, and controls like tiller handles and Co-Pilot. Essential technical specifications, wiring diagrams, and installation guidelines are also included, empowering owners and technicians to effectively maintain and service these engines.
Models covered:
70-75-80-90-100-115hp 3/4cylinder models as per serial number guide below:
1987-1993 70 / 75 / 75Marathon / 75XD / 75 Seapro / 80 / 90 (3 Cylinder)
With Serial Numbers:
USA: 0A996142-0D283221
BELGIUM: 09502135 - 09793576
CANADA: 0A722297 & Above
1988-1993 100 / 115HP (4 Cylinder) with Serial Numbers:
USA: 0B209468-0D283221
BELGIUM: 09523034 - 09793576
CANADA: 0A731673 & Above
Service Repair Manual Covers:
General Information and Specifications
Electrical and Ignition
Ignition System
Battery, Charging System and Starting System
Timing/Synchronizing and Adjusting
Wiring Diagrams
Fuel System and Carburetion
Oil Injection System
Powerhead (3-Cylinder Engines)
Powerhead (4-Cylinder Engines)
Lower Unit
Gear Housing
Mid Section
Shock Absorber
Power Trim
Design I (Side Fill Reservoir)
Design II (Aft Fill Reservoir)
Single Ram
Outboard Motor Installation/Attachments
Engine Attachments/Engine Installation
Tiller Handle and Co-Pilot
File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
Requirements: Adobe PDF Reader
Models covered:
70-75-80-90-100-115hp 3/4cylinder models as per serial number guide below:
1987-1993 70 / 75 / 75Marathon / 75XD / 75 Seapro / 80 / 90 (3 Cylinder)
With Serial Numbers:
USA: 0A996142-0D283221
BELGIUM: 09502135 - 09793576
CANADA: 0A722297 & Above
1988-1993 100 / 115HP (4 Cylinder) with Serial Numbers:
USA: 0B209468-0D283221
BELGIUM: 09523034 - 09793576
CANADA: 0A731673 & Above
Service Repair Manual Covers:
General Information and Specifications
Electrical and Ignition
Ignition System
Battery, Charging System and Starting System
Timing/Synchronizing and Adjusting
Wiring Diagrams
Fuel System and Carburetion
Oil Injection System
Powerhead (3-Cylinder Engines)
Powerhead (4-Cylinder Engines)
Lower Unit
Gear Housing
Mid Section
Shock Absorber
Power Trim
Design I (Side Fill Reservoir)
Design II (Aft Fill Reservoir)
Single Ram
Outboard Motor Installation/Attachments
Engine Attachments/Engine Installation
Tiller Handle and Co-Pilot
File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
Requirements: Adobe PDF Reader
