1983-1993 MerCruiser GM 6 Cylinder Engine Service Manual

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🏷️ Basic Information Identification Make: MerCruiser Engine Manufacturer: General Motors (GM) Engine Family: 6 Cylinder Covered Years: 1983-1993 📋 Manual Details Documentation Manual Type: Service Manual Manual Scope: Engine Repair...

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Type: Marine Engine

Vendor:

Sku: 40657

Tags: 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 GM 4 Cylinder GM 6 Cylinder Engine Inboard Engines Marine Marine Engine Mercruiser Mercury Sea Ray

Product variants

Description

🏷️ Basic Information

Identification

Make:

MerCruiser

Engine Manufacturer:

General Motors (GM)

Engine Family:

6 Cylinder

Covered Years:

1983-1993

📋 Manual Details

Documentation

Manual Type:

Service Manual

Manual Scope:

Engine Repair Only (Excludes Stern Drive and Transom Assembly)

Format:

PDF Download

Language:

English

Target Audience:

Technicians, experienced DIY mechanics

Content Overview

Included Procedures:

Inspection, Service, Overhaul, Troubleshooting, Specifications

Excluded Information:

General knowledge, Stern drive unit repair, Transom assembly repair

User Guidance

Recommendation For Novices:

Exercise caution; assistance recommended for those without prior knowledge or proper tools.

Accessibility

Software Requirement:

No special software required (standard PDF reader)

⚙️ Engine Specifications

Engine Configuration

Engine Type:

Inline 6 Cylinder (I6)

Displacement

229 Cid:

229 cubic inches

3.8L:

3.8 Liters

262 Cid:

262 cubic inches

4.3L:

4.3 Liters

Power

Mcm 185R Horsepower:

185 HP (estimated, specific rating may vary by application)

Mcm 175 Alpha One Horsepower:

175 HP (estimated, specific rating may vary by application)

Mcm 205 Mr Horsepower:

205 HP (estimated, specific rating may vary by application)

📄 Model Coverage

Engine Models

Mcm 185R 229 Cid:

Serial Numbers 6289593 to 6919655

Mcm 185Mr 262 Cid:

Serial Numbers 6919656 to OA483580

Mcm 185 Alpha One:

Serial Numbers OA483581 to OB455459

Mcm 175 Alpha One:

Serial Numbers OB455460 to OB773242

Mcm 4.3 Liter Alpha One:

Serial Numbers OB773243 to OF000000

Sea Ray 4.3L 2 Alpha One:

Serial Numbers OB785483 to B921276

Mcm 205 Mr:

Serial Numbers 6919687 to OA483776

Mcm 205 Alpha One:

Serial Numbers OA483777 to OB775129

Mcm 4.3 Liter Lx Alpha One:

Serial Numbers OB773130 to OF000000

Sea Ray 4.3L 4 Alpha One:

Serial Numbers OB785981 to B922330