1998 50 Hp Evinrude Trim Motor Diagram

Download a copy of a repair manual for your MerCruiser straight to your computer in seconds—fix you engine or sterndrive now. A downloadable MerCruiser repair manual is a digitally delivered book of instructions that guides the mechanic in the proper procedures for maintenance, service, overhaul and troubleshooting of components (e.g engine, electrical, drives, cooling, exhaust, fuel system, etc.)  to factory specifications.

The Contents of a MerCruiser Repair Manual

A MerCruiser repair manual is a user's handbook that's designed to teach the average backyard mechanic or seasoned shop technician exactly what factory mechanics already know. Generally, every downloadable MerCruiser repair manual contains the following subject matter, chapters or sub-chapters:

Important Information

(1) Maintenance

1. Maintenance Schedules
2. Maintenance Intervals
3. Tune-Up Specifications
4. Fluid Capacities
5. Lubrication
6. Cold Weather Storage
7. Audio Warning System
8. Transmission Maintenance
9. Sterndrive Unit Oil
10. Sterndrive Water Drain Holes
11. Power Package Layup
12. Corrosion
13. And Much More

(2) Troubleshooting

1. Precautions
2. Spark Plug Analysis
3. Poor Boat Performance
4. Improper Engine RPM
5. Starting Issues
6. Engine Won't Crank Problems
7. Charging System Issues
8. Engine Noises
9. Oil Pressure
10. Excessive Oil Consumption
11. Engine Overheats
12. Power Steering Problems
13. Exhaust Issues
14. Bell Housing
15. Sterndrive Does Not Shift
16. Power Shift
17. Performance Troubleshooting
18. Compact Hydraulic Steering
19. And Much More

(3) General Information (specifications, etc.)

1. Torque Specifications
2. Part Specs
3. Tools Required
4. Lubricants, Adhesives, Sealants
5. Safety
6. And Much More

Part Removal, Inspection, Disassembly, Cleaning, Installation, Testing, Adjustments

(1) Engine

1. Cylinder Head
2. Crankshaft
3. Pistons and Connecting Rods
4. Camshaft and Drive
5. Valve Train
6. Intake Manifold
7. Lubrication System
8. Engine Mounts
9. Rocker Arm, Cover, Pushrods
10. Lifters
11. Valve Stem, Spring, Oil Seal
12. Valve Guides
13. Oil Pan
14. Oil Pump
15. Torsional Damper
16. Crankcase, Cover, Oil Seal
17. Flywheel
18. Rear Mail Seal, Oil Seal, Retainer
19. Main Bearings
20. Timing Chain, Sprocket, Timing Gears
21. Distributer
22. Crankshaft Sprocket
23. Camshaft Bearings
24. Cylinder Block
25. Oil Filter
26. And Much More

(2) Electrical System

1. Wiring Diagrams
2. Starting System
3. Instruments
4. Ignition System
5. Charging System
6. And Much More

(3) Fuel Delivery System

1. Carburetor
2. Electronic Fuel Injection
3. Multi-Port Fuel Injection
4. Fuel Injection Troubleshooting
5. General System Diagnostics
6. Trouble Code Diagnostics
7. And Much More

(4) Cooling System

1. Seawater Cooled Models
2. Closed Cooled Models
3. Other Models
4. And Much More

(5) Exhaust System

1. General Information
2. Manifolds and Elbows
3. Risers
4. Collectors
5. And Much More

(6) Drives

1. In-Line Transmissions
2. Down Angle Transmissions
3. V-Drives
4. Drive Shaft / Propeller Shaft Models
5. Sterndrive Units
6. All Drive Models
7. Drive Shaft Housing
8. Gear Housing
9. And Much More

(7) Power Steering

1. Power Steering Pump
2. Power Steering Accessories
3. Manual Steering
4. And Much More

(8) Transom Assembly

1. Service Procedures Requiring Minor and Major Disassembly

(9) Power Trim

1. Power Trim Pump
2. Trim Cylinders
3. Dual Power Trim Control
4. Auto Trim
5. All Models
6. And Much More

Note:  Each MerCruiser repair manual differs depending on year and model. However, every manual contains all of the information needed to completely maintain, service, troubleshoot, overhaul and restore the complete unit to it's factory specifications.

(10) Pictures, Diagrams and Illustrations

MerCruiser manuals come equipped with pictures, illustrations and diagrams to help aid the mechanic. This is especially helpful for people who don't have a complete understanding of where a part is located, how to remove a part, or assemble parts.

Example of image found in a repair manual.

(11) Clickable Navigation Tabs

Most MerCruiser repair manuals come with clickable navigation tabs. This tab allows the user to quickly locate the procedures they need. Simply click on the chapter and you will automatically be brought to it. Moreover, some manuals are bookmarked by chapter and subchapter, this allows the user to find the precise instructions their searching for.

Example image of clickable navigation chapters.

Downloadable MerCruiser Manual Versus Paperback Version

Let's face it, a paperback MerCruiser repair manual cannot compete against a digital download version, and here's why…

Download Repair Manual

1. Manual can be downloaded instantly to your computer.
2. Contains the same exact information as the paperback.
3. The manual can be saved on your computer forever and stored on a CD.
4. Downloadable manuals typically cost 90 percent less than the paper book version.
5. You can print the entire manual using a printer or just the pages you need.
6. You don't need any special software to download a pdf manual and start viewing it.
7. You can store it on Cloud and view it anytime and anywhere.

Paperback Repair Manuals

1. Actual repair books cost between $50 to $75.
2. Paper books become torn or dirty and unreadable.
3. MerCruiser workshop manuals usually need to be special ordered online, costing you valuable time.

MerCruiser Repair & Service Manuals Available for Download

Downloadable MerCruiser engine and sterndrive repair manuals are available for instant download. Each MerCruiser repair manual is model and year specific, not a vague generic versions.

How to Download a MerCruiser Repair Manual

A downloadable MerCruiser repair manual can be obtained in seconds. Simply select the correct manual for your model and year MerCruiser, then download it…it's that easy!

All MerCruiser repair manuals are in PDF format. A PDF is a file format that provides an electronic image of text and graphics. It looks like a printed document (manual) and can be printed, viewed and transmitted electronically.

To view a PDF manual, a computer or tablet must have Adobe Acrobat reader installed. However, virtually every computer sold in the last 8 years already comes with a PDF viewer installed.

In rare instances, a person might experience issues when downloading a repair manual, however, there is an easy fix. When downloading a PDF manual, if you get an error message that says "file is damaged or cannot be repaired," follow these instructions:

1. Check the file size of the manual that is being downloaded from the website. Make sure it matches the file size of the manual that you already downloaded. If both file sizes differ greatly, the manual that you downloaded didn't finish downloading. If the manual was cut short, you will get an error message. This can happen if you experienced temporary Internet interruption. To resolve, simply download the manual again.
2. If your version of Adobe is outdated, or if your computer doesn't have adobe installed, you'll get an error message when the PDF manual downloads and attempts to open. To resolve, simply download Adobe for free.

In summary, a download MerCruiser repair manual is your best choice for people that want to learn more about their engine or drive, or for people who need to maintain, fix or overhaul their unit. You can't beat the price of a downloadable manual, you get it instantly, it's the same as the manual you'd buy in stores, and more convenient.

Source: https://www.inboardrepairmanual.com/?p=34

Posted by: marianahardnette.blogspot.com