Storage; Storage Preparation; Protecting External Outboard Components; Protecting Internal Engine Components - Mercury 200 User Manual

Storage Preparation

The major consideration in preparing your outboard for storage is to protect it from rust, corrosion, and
damage caused by freezing of trapped water.
The following storage procedures should be followed to prepare your outboard for out of season storage
or prolonged storage (two months or longer).
Never start or operate your outboard (even momentarily) without water circulating through all the
cooling water intake holes in the gearcase to prevent damage to the water pump (running dry) or
overheating of the engine.
FUEL SYSTEM
IMPORTANT: Gasoline containing alcohol (ethanol or methanol) can cause a formation of acid during
storage and can damage the fuel system. If the gasoline being used contains alcohol, it is advisable to
drain as much of the remaining gasoline as possible from the fuel tank, remote fuel line, and engine fuel
system.
IMPORTANT: This outboard is equipped with a closed fuel system when the engine is not running. With
this closed system, fuel within the engine's fuel system, other than the fuel tank, will remain stable during
normal storage periods without the addition of fuel treatment stabilizers.
Fill the fuel tank and engine fuel system with treated (stabilized) fuel to help prevent formation of varnish
and gum. Proceed with the following instructions.
• Portable Fuel Tank ‑ Pour the required amount of Fuel System Treatment and Stabilizer (follow
instructions on container) into fuel tank. Tip fuel tank back and forth to mix stabilizer with the fuel.
• Permanently Installed Fuel Tank ‑ Pour the required amount of Fuel System Treatment and
Stabilizer (follow instructions on container) into a separate container and mix with approximately
one liter (one quart) of gasoline. Pour this mixture into fuel tank.
Tube Ref No.
Fuel System
Treatment &
124
Stabilizer

Protecting External Outboard Components

• Touch up any paint nicks. See your dealer for touch‑up paint.
• Spray Quicksilver or Mercury Precision Lubricants Corrosion Guard on external metal surfaces
(except corrosion control anodes).
Tube Ref No.
Corrosion Guard
120

Protecting Internal Engine Components

IMPORTANT: Refer to Maintenance ‑ Spark Plug Inspection and Replacement for correct procedure for
removing spark plugs.
• Remove pencil coils and spark plugs.
• Spray approximately 30 ml (1 fl. oz.) of Storage Seal Rust Inhibitor into each spark plug hole.

STORAGE

CAUTION
!
Description
Description
Where Used
Fuel tank
Where Used
External metal
surfaces
76
Part No.
802875Q1
Part No.
92-802878Q5
5