1974-1977 Mercury Mercruiser #2 Stern Drive Units and Marine Engines Service Repair Manual

This manual is suitable for both first-time owners/amateurs and professional technicians. It provides easy-to-read instructions and all the necessary information to perform procedures correctly. Regular use of this shop manual is recommended for performing routine and preventive maintenance, which can save time and money by preventing premature failure and unnecessary repairs.

MODELS COVERED:

• MERCRUISER STERN DRIVE ENGINES (MCM):
  • MCM 120 - S/N: 3770650 - 4952700
  • MCM 140 - S/N: 3771645 - 4918569
  • MCM 165 - S/N: 3774865 - 4884834
  • ... (additional models listed)
• TRANSOM ASSEMBLY & STERN DRIVE UNITS:
  • MC 120/140 - S/N: 3780850 - 4893634
  • MC 165 - S/N: 3780850 - 4890459
  • MC 470 - S/N: 4893834 and Below
  • ... (additional models listed)
• MERCRUISER INBOARD ENGINES (MIE):
  • MIE 198 - S/N: All
  • MIE 225 (Ford) - S/N: 3750508 and Above
  • MIE 228 - S/N: 4931099 and Below
  • ... (additional models listed)

SECTIONS INCLUDE:

1. GENERAL INFORMATION
   • A - General Information
   • B - Tuneup
   • C - Lubrication
2. REMOVAL-INSTALLATION-ALIGNMENT
   • A - MerCruiser 12G-14G-165-470
   • B - MerCruiser V-8 I-Drive Models
   • C - MerCruiser II-TR and II-TRS Stern Drive
   • D - General Installation
3. ELECTRICAL SYSTEM
   • A - Starting System
   • B - Ignition System
   • C - Alternator System
   • D - Instrumentations
   • E - Wiring Diagrams
4. FUEL SYSTEMS
   • A - Fuel Pumps
   • B - Carburetors
5. ENGINE
   • A - Engine Mechanical, In-Line
   • B - Engine Mechanical, V-8 Ford
   • C - Engine Mechanical, V-8 GM
   • D - Engine Mechanical, 470 Model
6. DRIVE SYSTEMS
   • A - MerCruiser I-Drive Unit
   • B - MerCruiser II-TR Drive Unit
   • C - MerCruiser II-TRS Drive Unit
   • D - MerCruiser Direct Drive Transmission
   • E - Direct Drive II TR & II-TRS Transmission
7. ACCESSORIES
   • A - Power Trim
   • B - Steering System
   • C - Remote Controls
   • D - Cooling
   • E - General Accessories
8. SPECIFICATIONS
   • A - Tune-Up and General
   • B - Internal Engine
   • C - Torque Specs
   • D - Propeller Chart
9. 400 JET DRIVE
10. TROUBLESHOOTING