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© 2004 Mercury Marine
90-10238051 JUNE 2004
200/225/250/275 VERADO 4-STROKE
INSTALLATION MANUAL
Table of Contents
Notice to Installer ................................................... 2
Avoiding Loss of Throttle and Shift Control ........... 2
Accessory Electric Fuel Pump/Fuel Line Primer
Bulb ....................................................................... 2
Avoiding Fuel Flow Restriction .............................. 2
Boat Horsepower Capacity .................................... 2
Selecting Accessories For Your Outboard ............ 3
Fuel Tanks ............................................................. 3
Portable Fuel Tank ........................................... 3
Permanent Fuel Tank ....................................... 3
Determining Recommended Outboard Mounting
Height .................................................................... 4
Installing Outboard ................................................ 5
Installation Specifications..................................5
Maximum Outboard Mounting Height................5
Drilling Outboard Mounting Holes......................6
Lifting Outboard.................................................7
Fastening Outboard...........................................8
Power Steering Installation .................................. 10
Power Steering System...................................10
Installation Procedure......................................10
Connection of the Hydraulic Hoses to the Steering
Helm................................................................12
Connection of the Hydraulic Hoses to the Power
Steering Pump.................................................14
Connection of the Hydraulic Hoses to the Steering
Cylinder............................................................15
Electrical Connections to the Steering Pump. .17
Filling Power Steering System with Engine Not
Running...........................................................19
Filling Power Steering System with Engine
Running...........................................................21
Routing Connections Through the Cowl..........22
Fuel Hose Connection.....................................23
Wiring And Installation ......................................... 24
Wire Color Code Abbreviations.......................24
Installation Guidelines for DTS System
Components....................................................24
Data Harness Pulling Procedure.....................24
Junction Box (If Equipped)...............................25
Non-Mercury Marine Provided Ignition Switch.25
Wiring Accessories..........................................26
System Wiring Reference Points.....................26
Battery Cable Size For Outboard Models........27
Connecting 14 Pin Data Harness - Single
Engine..............................................................29
Connecting 14 Pin Data Harness - Dual Engine
.........................................................................30
Installing DTS Command Module and Harness -
Single Engine...................................................31
Installing DTS Command Module and Harness -
Dual Engine/Single Helm.................................34
Battery Information..........................................35
Connecting Battery Cables and DTS Power
Harness...........................................................36
Connecting Fuel Tank And Speed Sensor .....39
Switched 12V Accessory Connection..............41
DTS Wiring - Single Engine.............................42
DTS Wiring - Dual Engine................................44
System Wiring Installation Checklist................45
Propeller Installation ........................................... 45
Paddle Wheel Speed Sensor Installation (If
Equipped) ............................................................ 47
Parts Provided ................................................ 47
Selecting Location .......................................... 47
Transom Angle Requirements ........................ 48
Installing Bracket ............................................ 48
Routing the Cable ........................................... 49
Installing and Removing the Paddle Wheel .... 50
Wiring Connections ......................................... 50
Template - Paddle Wheel Speed Sensor ....... 51