This factory service manual provides detailed service information, step-by-step repair instruction, and maintenance specifications for your MerCruiser GM V-6 Cylinder Marine Engines.
This comprehensive overhaul and repair manual is designed as a "Service Guide" for MerCruiser models listed. It provides specific information including procedures for disassembly, assembly, inspection, and adjustment, to enable dealers and service mechanics to keep the MerCruiser in top operating condition. The procedures are supplemented with photos and illustrations.
All Official Mercury Marine Manuals for MerCruiser Sterndrives and Inboards include easy to follow, step-by-step illustrated procedures based on the complete dismantling, repair, and assembling of boat motors. From the simplest repair to complex procedures, these manuals give you everything you need to do the job with confidence.
Models Covered in This Manual
MCM 185R 229 CID (3.8L) - S/N: 6289593 - 691 9655
MCM 185MR 262 CID (4.3L) - S/N: 6919656-0A483580
MCM 185 Alpha I - S/N: OA483581 - 08455459
MCM 175 Alpha I - S/N: 08455460 - 08773242
MCM 4.3 Litre Alpha I - S/N: 08773243 - OFOOOOOO
Sea Ray (Note 1) 4.3L-2 Alpha I - S/N: 08785483 - 8921276
Sea Ray (Note 1) 4.3L-4 Alpha I - S/N: 08785981 - 8922330
NOTE 1: Sea Ray to MerCruiser cross-references are:
4.3L-2 same as MCM 4.3 Litre
4.3L-4 same as MCM 4.3 Litre LX
NOTICE: Refer to Appropriate Stern Drive service manual for transom assembly and Stern Drive unit repair.
Service Manual Outline
Section 1 - Important Information
A - General Information
B - Maintenance & Servicing
C - Troubleshooting
Section 2 - Removal & Installation
A - MCM 185 (229 C.I.D.)
B - MCM 175, 185, 205 4.3L, 4.3LX (262 C.I.D.)
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 Carburetors
Section 6 - Cooling System
A - Standard Cooling
B - Closed Cooling
C - Exhaust System
Section 7 - Power Steering
A - Power Steering
Language: English
File Format: .PDF
Delivery method: Download
This manual will come in .PDF format, so it's extremely easy to move around with you from computer to computer. Many mechanics purchase electronics manuals like this and use a laptop near them while doing maintenance! If you don't have a laptop, no problem! Just print out the pages of the manual that you need and you've got a hard copy in front of you while doing your work! Simply throw it away when you're finished! It's much easier and quicker than having to deal with a book!
