This INSTANT DOWNLOAD 1985 1986 1987 1988 1989 MerCruiser 4 cylinder service manual #10 was prepared primarily for professional technicians. However, adequate data is given for the majority of do-it-yourself mechanics and those performing repairs and maintenance procedures to your MerCruiser. This 1985-1989 MerCruiser repair manual was prepared to suite the needs of individuals who poses basic knowledge in electrical and mechanical concepts. For those without basic knowledge, you should avoid performing complicated repairs to the 1985-1989 MerCruiser equipment as it may render it unsafe. In any case, never attempt to service the 1985-1989 MerCruiser without the aid of a repair manual. 

EXACT MODELS COVERED

MCM 120 MR - serial numbers 6853914 to OA492055
MCM 120 Alpha I - serial numbers OA492056 to OB531853
MCM 2.5 Liter - serial numbers OC856450 and above
MCM 140 MR - serial numbers 6852270 to OA484072
MCM 140 Alpha I - serial numbers OA484073 to OB450800
MCM 3.0 Liter - serial numbers OC856450 and above
Sea Ray 3.0L - serial numbers OC856450 to B917530

NOTE: MCM 2.5L - Same as MCM 120
NOTE: Sea Ray 3.0L - Same as MCM 140 (later models are rated at 130 HP and have 9.2:1 compression ratio).

This 1985-1989 MerCruiser manual will guide you through fundamentals of maintaining and repairing, step-by-step, to teach you what the factory trained technicians already know by heart. By applying the knowledge in this 1985-1989 MerCruiser repair manual, any owner should be able to make the right decisions about what they need to do to maintain and repair the 1985-1989 MerCruiser.

This 1985-1989 MerCruiser manual covers all aspects of repair. The manual covers part removal, disassembly, cleaning, assembly, installation procedures and much more. The manual contains all necessary illustrations, diagrams and specifications to guide the mechanic through any repair procedure. The 1985-1989 MerCruiser manual also contains an advanced troubleshooting guide to help diagnose and correct any problem.

QUESTIONS AND ANSWERS

Q. How do I obtain this manual?
A. Simply click on the download button, complete the payment and a download link is sent to your computer in seconds FOR INSTANT DOWNLOAD.

Q. Once I download the repair manual how long do I have access to the manual?
A. Once you download the manual you can store it on your computer forever and refer to it when maintenance and repair is necessary.

Q. How does the manual appear?
A. Once the manual has been downloaded it appears exactly the same as a repair manual you'd buy in stores. It includes every aspect of repair, step-by-step repair procedures, pictures, illustrations, diagrams, troubleshooting and specifications.

Q. Is the repair manual model and year specific?
A. YES! This is not a generic manual.

Q. Does my computer need special software to view the manual?
A. Your computer wont need any special software to view the manual. It is a simple PDF manual. All computers come with the necessary software already installed from the manufacture to view the manual.

Q. Will the download hurt my computer?
A. NO! This manual is 100 percent safe to download!