Mercury 20 EFI FourStroke Service Manual

Powerhead
Section
4D - Cooling System
Table of Contents
Cooling System Specifications.......................................... 4D-2
Cooling System Description
...............................................4D-2
General Troubleshooting................................................... 4D-2
Thermostat.........................................................................4D-2
Thermostat/Electrical Bracket Removal..................... 4D-2
Testing the Thermostat...............................................4D-2
Thermostat/Electrical Bracket Installation.................. 4D-3
Water Flow Diagram.......................................................... 4D-4
Cooling System
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 4D-1
4
D

Mercury 20 EFI FourStroke Specifications

General

Brand	Mercury
Model	20 EFI FourStroke
Category	Engine
Language	English