Download Complete Service Repair Manual for 1978-1984 Mercury Mercruiser MARINE ENGINES 4 /GM4/GM6/GM V-8 Cylinder.

This Factory Service Repair Manual offers all the service and repair information about 1978-1984 Mercury Mercruiser MARINE ENGINES 4 /GM4/GM6/GM V-8 Cylinder. The information on this manual covered everything you need to know when you want to repair or service 1978-1984 Mercury Mercruiser MARINE ENGINES.

Models Covered:

MODEL – SERIAL NUMBER
— MCM 120 – S/N: 4952701 – 6255465
— MCM 120R – S/N: 6255466- 6853913
— MCM 140 – S/N: 4918570 – 6256954
— MCM 140R – S/N: 6256955 – 6852269
— MCM 165 – S/N: 4884835 and Above
— MCM 470 – S/N: 4886620 – 6218036
— MCM 470R – S/N: 6218037 – 6902287
— MCM 485 – S/N: 5685394 and Above
— MCM 488R – S/N: 6170297 – 6899057
— MCM 898 – S/N: 4887830- 6218461
— MCM 898R – S/N: 6218462 – 6899057
— MCM 228 – S/N: 4902305 – 6225266
— MCM 228R – S/N: 6225267 – 6899268
— MCM 260 – S/N: 4908850- 6227756
— MCM 260R – S/N: 6227757 – 6890705
— MCM 330 – S/N: 4889680 – 60831 44
— MCM 330 (8-W) – S/N: 6083145- 6920831
— MCM 370/ 400 – S/N: 4883520- 6721534
— MCM 400 Cyclone – S/N: 5669232 – 6844266
— MCM 440 Cyclone – S/N: 6181070 – OA429860
— MCM 460 Cyclone – S/N: 6180970-6181039
— MCM 475 Turbo – S/N: 5670797 and Below
— MCM 470TR – S/N: All (Note 1)
— MCM 230TR – S/N: 6901029 and Below (Note 1)
— MCM 260TR – S/N: 6885891 and Below (Note 1)
— MIE 470 – S/N: All
— MIE 228 – S/N: 4931100 – 5907057
— MIE 230 – S/N: 5907058 – 6901 029
— MIE 255 – S/N: 4924565 – 5907057
— MIE 260 – S/N: 5907058- 6885891
— MIE 330 – S/N: 4890180 – 5889913
— MIE 340 – S/N: 5889914- OA307952

NOTICE
Refer to appropriate “Stern Drive Service Manual” for Transom Assembly and Stern Drive Unit Repair.

TABLE OF CONTENTS:

1 – IMPORTANT INFORMATION / TROUBLESHOOTING
A – General Information
B – Maintenance
C – Troubleshooting

2 – REMOVAL-INSTALLATION-ALIGNMENT
A – MCM 120 / 140 / 165
B – MCM 120R / 140R Driveshaft Extension Models
C – MCM 470 / 485 / 488
D – MCM 898 / 228 / 260
E – MCM 898 / 228 / 260 Driveshaft Extension Models
F – MCM 330TR / TRS with Mercury Marine Transmission
G – MCM 330 (B-W) TR / TRS
H – MCM 370 / 400TRS and Hi-Performance Engines
I – MIE 470 / 228 / 230 / 255 / 260 / 330 / 340

3 – ELECTRICAL SYSTEM
A – Starting System
B – Ignition System
C – Charging System
D – Instrumentations
E – Electrical Kits
F – Wiring Diagrams

4 – FUEL SYSTEMS
A – Fuel Delivery System and Fuel Pumps
B – Rochester 2 Barrel
C – MerCarb 2 Barrel
D – Rochester 4 Barrel
E – Holley 4 Barrel

5 – EXHAUST SYSTEM
A – Exhaust Manifolds/ Elbows
B – Exhaust Risers
C – Exhaust Collectors

6 – ENGINE
A – GM In-Line
B – Mercury Marine 4 Cylinder Engine
C – GM V-8

7 – COOLING SYSTEM
A – Seawater Cooled Models
B – 470 / 485 / 488
C – Closed Cooled Models

8 – DRIVE SYSTEMS
A – Velvet Drive (Borg-Warner) Transmission
B – Mercury Marine Transmission
C – Driveshaft Models / Propeller Shaft

9 – POWER STEERING SYSTEM

This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings.Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English