OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems

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OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems
OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems
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Item Description

This Seloc repair manual covers all 1986-1998 OMC Stern Drive engines; all drive systems, including:

  • Ford 4-cylinder engines
  • General Motors 4-cylinder engines
  • General Motors V6 engines
  • General Motors V8 engines
  • Ford V8 engines
Stern Drive units include Cobra, King Cobra, SP, SX, SX Cobra, DP and DP DuoProp models.

Book Excerpt: 1986-1998 OMC Stern Drive Repair Manual - All Engines and Drive Systems


(See Figures 3, 4, 5, 6, 7, 8 and 9).

Prior to removing the engine from your 1994-1996 vessel, it is imperative to measure the engine height as detailed in the Determining Minimum Engine Height section. Do NOT remove the engine until you have completed this procedure!

  1. Check the clearance between the front of the engine and the inside edge of the engine compartment bulkhead. If clearance is less than 6 in. (15.2mm), you will need to remove the stern drive unit because there won't be enough room to disengage the driveshaft from the engine coupler.

    More than 6 in. will provide enough working room to get the engine out without removing the drive, BUT, we recommend removing the drive anyway. If you intend on doing anything to the mounts or stringers, you will need to re-align the engine as detailed in the Engine Alignment section - which requires removing the drive, so remove the drive!

  2. Remove the stern drive unit as detailed in the Drive Systems section.
  3. Open or remove the engine hatch cover.
  4. Disconnect the battery cables (negative first) at the battery and then disconnect them from the engine block and starter.
  5. CAUTION: Make sure that all switches and systems are OFF before disconnecting the battery cables.

  6. Disconnect the two power steering hydraulic lines at the steering.
  7. Disconnect the fuel inlet line at the fuel pump or filter (whichever comes first on your particular engine) and quickly plug it and the inlet - a clean golf tee and some tape works well in this situation. Make sure you have rags handy, as there will be some spillage.
  8. Tag and disconnect the two-wire trim/tilt connector.
  9. Pop the two-wire trim/tilt sender connector out of the retainer and then disconnect it. You may have to cut the plastic tie securing the cable in order to move it out of the way.


If the starter motor spins but fails to crank the engine, the cause is usually a corroded or gummy Bendix drive. The drive should be removed, cleaned and given an inspection.

  1. Before wasting too much time troubleshooting the starter motor circuit, the following checks should be made. Many times, the problem will be corrected.
    • Battery fully charged.
    • Shift control lever in neutral.
    • Main 20-amp fuse is good (not blown).
    • All electrical connections clean and tight.
    • Wiring in good condition, insulation not worn or frayed.

  2. Starter motor cranks slowly or not at all.
    • Faulty wiring connection.
    • Short-circuited lead wire.
    • Shift control not engaging neutral (not activating neutral start switch).
    • Defective neutral start switch.
    • Starter motor not properly grounded.

Subject: 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 OMC Stern Drive service, maintenance, repair. ISBN-10: 089330056X | ISBN-13: 9780893300562

  • Publisher: Seloc Publishing
  • Pages: 324 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 8.5 x 10.75 inches
  • ISBN: 978-0-89330-056-2
  • Years: 1986 - 1998
Table of Contents
  • General Information, Safety and Tools
  • Engine and Drive Maintenance
  • Engine Mechanical Ford 4-Cylinder Engines
  • Engine Mechanical GM 4-Cylinder Engines
  • Engine Mechanical GM V6 and V8 Engines
  • Engine Mechanical Ford V8 Engines
  • Engine Overhaul
  • Fuel Systems, Carburetors
  • Fuel Systems, Fuel Injection
  • Ignition and Electrical Systems
  • Cooling System
  • Stern Drive SP, SX, SX Cobra, King Cobra, DP, DP DuoProp
  • Trim and Tilt
  • Steering Systems
Questions & Answers about OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems

Questions & Answers about OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems

i have a bayliner ciera 1988 2455 with 5.0 GM engine,i need the repair manual that cover everything,engine,lower unit,etc so far no problems but i like to learn more about the repair. appreciate very much. i like to order the right one. iam in delray beach,fl
This manual covers all the engines and drive systems for the 1986-98 OMC stern drives. Chapter 5 specifically covers the engine mechanicals for GM V6 & V8 engines (including the 5.0L). Chapter 12 covers the stern drive unit, including the lower unit. Throughout this book the written explanations are accompanied by exploded view diagrams and photographs. Thanks.

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Customer Reviews


Jessie briggs verified customerJuly 20, 2020
Five star
Is an excellent book and very descriptive. very detailed
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Leo verified customerOctober 3, 2016
OMC Stern Drive Manuel
I purchased the OMC Stern Drive Manuel because I was having trouble with my boat when I received the book I was wondering if it was the book that I needed. This Manuel answered all my questions that I needed to get started it is a great book to help me out with all my needs. This Manuel is well illustrated and easy to understand and the illustrations are great very detailed and to the point. It's not like other manuels that keep you wondering. I strongly recommend this book to anyone who has a need in trouble shooting there problem with there boat.
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Bud verified customerJuly 2, 2016
omc manual
Great detailed manual
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Stuart verified customerJune 11, 2015
Friendly staff and fast service. Would use again.
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OMC Stern Drive Repair Manual 1986-1998 All Engines and Drive Systems
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