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1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 1
1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 2
1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 3
1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 4
1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 5
1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual Preview image 6

1985-1989 Mercury Mercruiser Number 10 marine engine GM 4 cylinder service manual

Includes the following models

  • MCM 120 MR’6853914 to 0A492055
  • MCM 120 Alpha I’0A492056 to 0B531853
  • MCM 2.5L’0C856450 and Above
  • MCM 140 MR’6852270 to 0A484072
  • MCM 140 Alpha I’0A484073 to 0B450800
  • MCM 3.0L’0C856450 and Above
  • Sea Ray 3.0L’0B787205 to B917530
  • MCM 2.5L MCM3.0L - Same as MCM 120.
  • 4 Cyl. 153-181 CID (2.5-3.0L)

Production/model years: 1985, 1986, 1987, 1988, 1989.

File specifications

File size: 28.59 MB
File type: PDF
Language: English
Pages: 308

Printable: Yes
Estimated download time: 0.59 Minutes
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Product Information

Table of Contents

Section 1: Important Information

  • A. Important Information
  • B. Maintenance
  • C. Troubleshooting

Section 2: Removal & Installation

  • A. C4.3L (181 CID) (3.0-5.0L)
  • B. Driveshaft Extension Models

Section 3: Engine Mechanical

  • A. GM 4 In-Line

Section 4: Electrical System

  • A. Ignition System
  • B. Starting System
  • C. Charging System
  • D. Instrumentation
  • E. Electrical Kits
  • F. Wiring Diagrams

Section 5: Fuel System

  • A. Fuel Delivery System
  • B. Fuel Pump
  • C. Carburetor 2-Barrel

Section 6: Cooling & Exhaust

  • A. Sea Water Cooled Models
  • B. Closed Cooled Models
  • C. Manifold/Mixer/Elbows

Section 7: Power Steering

  • A. Power Steering

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