This manual covers GM 4 Cylinder In-Line marine engines, specifically those with displacements ranging from 2.5L to 3.0L (153-181 cid), produced between 1985 and 1989. It details models such as MCM 120 MR, MCM 120 Alpha I, MCM 2.5L, MCM 140 MR, MCM 140 Alpha I, MCM 3.0L, and Sea Ray 3.0L, along with their respective serial number ranges. These engines are designed for marine applications, utilizing driveshaft extension models like MR and Alpha I.
This comprehensive Service and Repair manual in English provides essential information for maintaining and repairing your engine. It includes detailed maintenance procedures, troubleshooting guides, assembly and disassembly instructions, and wiring diagrams for fuel, cooling and exhaust, electrical, power steering, and engine mechanical systems. The manual is designed for all operating systems, requiring only a PDF reader, and all pages are printable for your convenience.
Mercruiser Service Manual #10 Mercury Marines GM 4 Cylinder 1985-1989
This is the most complete service repair manual for the 19851989 Mercury Marines GM 4 Cylinder .
This manual contains service, repair procedures, assmbling, disassembling, wiring diagrams and everything you need to know.
Mercruiser Models Coveres:
MCM 120 MR SN:6853914 to 0A492055
MCM 120 Alpha I SN:0A492056 to 0B531853
MCM 2.5L SN:0C856450 and Above
MCM 140 MR SN:6852270 to 0A484072
MCM 140 Alpha I SN:0A484073 to 0B450800
MCM 3.0L SN:0C856450 and Above
Sea Ray 3.0L SN:0B787205 to B917530
Service Repair Manual Covers:
Sec 1 Important Information
A-Important Information
B-Maintenance
C-Troubleshooting
Sec 2 Removal & Installation
A-4 Cyl 153-181 cid (2.5-3.0L)
B-Driveshaft Extension Models
Sec 3 Engine Mechanical
A-G.M. In-Line
Sec 4 Electrical Systems
A-Starting System
B-Ignition System
C-Charging System
D-Instrumentation
E-Electrical Kits
F-Wiring Diagrams
Sec 5 Fuel Systems
A-Fuel Delivery System
B-Fuel Pump
C-MerCarb 2-Barrel
Sec 6 Cooling & Exhaust
A-Seawater Cooled Models
B-Closed Cooled Models
C-Exhaust Manifolds/Elbows
Sec 7 Power Steering
A-Power Steering
==================================================
High Quality PDF Manual, All Pages Are Printable.
Instant Download
No Shipping Cost
No Need to Wait For A CD-ROM
File Format: PDF
Language: English
Compatible: All Versions of Windows & Mac
Requirements: Adobe PDF Reader
Thanks for visiting!
Mercruiser Service Manual #10 Mercury Marines GM 4 Cylinder 1985-1989
This is the most complete service repair manual for the 19851989 Mercury Marines GM 4 Cylinder .
This manual contains service, repair procedures, assmbling, disassembling, wiring diagrams and everything you need to know.
Mercruiser Models Coveres:
MCM 120 MR SN:6853914 to 0A492055
MCM 120 Alpha I SN:0A492056 to 0B531853
MCM 2.5L SN:0C856450 and Above
MCM 140 MR SN:6852270 to 0A484072
MCM 140 Alpha I SN:0A484073 to 0B450800
MCM 3.0L SN:0C856450 and Above
Sea Ray 3.0L SN:0B787205 to B917530
Service Repair Manual Covers:
Sec 1 Important Information
A-Important Information
B-Maintenance
C-Troubleshooting
Sec 2 Removal & Installation
A-4 Cyl 153-181 cid (2.5-3.0L)
B-Driveshaft Extension Models
Sec 3 Engine Mechanical
A-G.M. In-Line
Sec 4 Electrical Systems
A-Starting System
B-Ignition System
C-Charging System
D-Instrumentation
E-Electrical Kits
F-Wiring Diagrams
Sec 5 Fuel Systems
A-Fuel Delivery System
B-Fuel Pump
C-MerCarb 2-Barrel
Sec 6 Cooling & Exhaust
A-Seawater Cooled Models
B-Closed Cooled Models
C-Exhaust Manifolds/Elbows
Sec 7 Power Steering
A-Power Steering
==================================================
High Quality PDF Manual, All Pages Are Printable.
Instant Download
No Shipping Cost
No Need to Wait For A CD-ROM
File Format: PDF
Language: English
Compatible: All Versions of Windows & Mac
Requirements: Adobe PDF Reader
Thanks for visiting!
