This comprehensive Service Repair Workshop Manual covers Mercruiser GM 4 Cylinder Marine Engines 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. The manual is designed to assist with the repair, tuning, troubleshooting, and maintenance of these reliable marine engines, which feature 2.5L and 3.0L displacements and horsepower ratings of 120 HP and 140 HP respectively. Later models of the MCM 140 and Sea Ray 3.0L are noted to have 130 HP and a 9.2:1 compression ratio.
The purpose of this English-language manual is to provide in-depth guidance for all aspects of engine care. It includes detailed repair procedures, general topics such as tools and techniques, troubleshooting guides, maintenance and tune-up instructions, and specific sections on the fuel system, electrical ignition system, and gear case repair. With detailed pictures and diagrams, this manual is an essential resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their Mercruiser marine engines.
Mercruiser
Service Manual
Software Database Instant Download
Models & Year
Marine Engines GM 4 Cylinder
1985 - 1989
Models Covered in this Manual
MCM 120 MR
MCM 120 ALPHA I
MCM 2.5L
MCM 140 MR
MCM 140 ALPHA I
MCM 3.0L
SEA RAY 3.0L
Note that the MCM 2.5L - Same as MCM 120.
MCM 3.0L
Sea Ray 3.0L- Same as MCM 140 (Later Models are rated at 130 HP and have 9.2:1 Compression ratio)
FAQ: Why should I purchase this Service Repair Workshop Manual?
This manual is in an easy to read format that covers all repair procedures in great detail. This manual will help you better understand all the parts & repair procedures on your Outboard. With the knowledge contained within this manual, you will easily be able to do your own servicing & repairs.
FAQ: What Topics are Covered?
Some Of The Topics Generally Covered:
· Tools & Techniques
· Troubleshooting
· Maintenance And Tune-Up
· Timing And Adjustments
· Fuel System
· Electrical Ignition System
· Jet Drives / Sea Drives (if applicable)
· Base Repair
· Lower Unit
· Tilt & Trim
· Gear Case Repair
· Rewind Starter
· Parts Numbers
· Detailed Pictures And Diagrams
Everything needed to setup, install, repair, tune, troubleshoot, and maintain your outboard
FAQ: What format is the download file in?
The download file is a RAR file, you need "WINRAR" installed to extract it. You can download from here:
FAQ: I need it now! How do I buy?
Click On The Instant Download Button For A Safe And Fast Transaction.
FAQ: What if I have problems downloading?
When downloading large files (if using IE download directly) you may experience timeout sometimes. If this happens, I suggest using a download manager (Flashget, etc.) to avoid this.
If you still have download problems, please contact TBTBTB at:
Format: PDF
Language: English
Mercruiser
Service Manual
Software Database Instant Download
Models & Year
Marine Engines GM 4 Cylinder
1985 - 1989
Models Covered in this Manual
MCM 120 MR
MCM 120 ALPHA I
MCM 2.5L
MCM 140 MR
MCM 140 ALPHA I
MCM 3.0L
SEA RAY 3.0L
Note that the MCM 2.5L - Same as MCM 120.
MCM 3.0L
Sea Ray 3.0L- Same as MCM 140 (Later Models are rated at 130 HP and have 9.2:1 Compression ratio)
FAQ: Why should I purchase this Service Repair Workshop Manual?
This manual is in an easy to read format that covers all repair procedures in great detail. This manual will help you better understand all the parts & repair procedures on your Outboard. With the knowledge contained within this manual, you will easily be able to do your own servicing & repairs.
FAQ: What Topics are Covered?
Some Of The Topics Generally Covered:
· Tools & Techniques
· Troubleshooting
· Maintenance And Tune-Up
· Timing And Adjustments
· Fuel System
· Electrical Ignition System
· Jet Drives / Sea Drives (if applicable)
· Base Repair
· Lower Unit
· Tilt & Trim
· Gear Case Repair
· Rewind Starter
· Parts Numbers
· Detailed Pictures And Diagrams
Everything needed to setup, install, repair, tune, troubleshoot, and maintain your outboard
FAQ: What format is the download file in?
The download file is a RAR file, you need "WINRAR" installed to extract it. You can download from here:
FAQ: I need it now! How do I buy?
Click On The Instant Download Button For A Safe And Fast Transaction.
FAQ: What if I have problems downloading?
When downloading large files (if using IE download directly) you may experience timeout sometimes. If this happens, I suggest using a download manager (Flashget, etc.) to avoid this.
If you still have download problems, please contact TBTBTB at:
Format: PDF
Language: English
