This is the most complete service repair manual for the Mercruiser Marine Engines GM 4 Cylinder 181 CID (3.0L). This manual contains service, repair procedures, assmbling, disassembling, wiring diagrams and everything you need to know. Models Covered in This Manual: MCM 3.0L Alpha SN:OL010042 and Above Service Repair Manual Covers: Section 1 - Important Information A - General Information B - Maintenance C - Troubleshooting Section 2 - Removal and Installation A - MCM 3.0L (181 CID) - Alpha Drive Section 3 - Engine A - 3.0L (181 CID) Section 4 - Electrical System A - Starting System B - Ignition System C - Charging System D - Instrumentation E - Wiring Diagrams Section 5 - Fuel System A - Fuel Pump B - MerCarb 2-Barrel Section 6 - Cooling System A - Seawater Cooled Models B - Closed Cooled Models Section 7 - Exhaust System A - Exhaust Manifolds / Elbows Section 8 - Power Steering A - Power Steering ================================================== High Quality PDF Manual, All Pages Are Printable. Instant Download No Shipping Cost No Need to Wait For A CD-ROM File Format: PDF Language: English Compatible: All Versions of Windows & Mac Requirements: Adobe PDF Reader Thanks for visiting!.