Mercury MerCruiser Marine Engines GM V-6 Cylinder Manual

This is a complete Service Manual for the Mercury Mercruiser Marine Engines GM V-6 Cylinder. It contains a whopping 437 pages and 78.14 MB of very well detailed, easy-to-read troubleshooting, rebuilding, servicing, maintenance, and repair information. The manual is complete with many charts, diagrams, schematics, specifications, and pictures.

This manual covers all aspects of servicing this equipment in a very clear and concise format with the convenience of having all this information at your fingertips in the form of a CD. This manual will allow you to completely troubleshoot, disassemble, inspect, repair, and reassemble your equipment.

Models Covered In This Manual

• Model Years 1983-1993
• MCM 185R - 229 CID (3.8L) - Serial No. 6289593 - 6919655
• MCM 185MR - 262CID (4.3L) - Serial No. 6919656 - OA483580
• MCM 185 Alpha I - Serial No. OA483581 - OB455459
• MCM 175 Alpha I - Serial No. OB455460 - OB773242
• MCM 4.3 Liter Alpha I - Serial No. OB773243 - OF000000
• Sea Ray (Note 1) 4.3L - 2 Alpha l - Serial No. OB785483 - B921276
• MCM 205MR - Serial No. 6919687 - OA483776
• MCM 205 Alpha I - OA483777 - OB775129
• MCM 4.3 Liter LX Alpha I - OB775130 - OF000000
• Sea Ray (Note 1) 4.3L - 4 Alpha I - Serial No. OB 785981 - B922330

NOTE 1: Sea Ray to MerCruiser cross references are:

• 4.3L - 2 same as MCM 4.3 Liter
• 4.3L 4 same as MCM 4.3 Liter LX

The Contents of The Manual Are As Follows

Service Manual Outline

• Section 1 - IMPORTANT INFORMATION
  • a. General Information
  • b. Maintenance & Servicing
  • c. Troubleshooting
• Section 2- REMOVAL AND INSTALLATION
  • a. MCM 185 (229 CID)
  • b. MCM 175, 185, 235, 4.3L, 4.3LX (262 CID)
• Section 3 - ENGINE MECHANICAL
  • a. 185 (229 CID) 3.8 Liter
  • b. 185 - 205 (262 CID) 4,3 Liter
• Section 4 - ELECTRICAL
  • a. Starting System
  • b. Ignition System
  • c. Charging System
  • d. Instrumentation
  • e. Wiring Diagrams
• Section 5 - FUEL SYSTEM
  • a. Fuel Delivery
  • b. Fuel Pump
  • c. 2 BBL Mercarb
  • d. 4 BBL Rochester Carburetor
  • e. 4 BBL Weber Carburetor
• Section 6 - COOLING SYSTEM
  • a. Standard Cooling
  • b. Closed Cooling
  • c. Exhaust System
• Section 7 - POWER STEERING
  • a. Power Steering