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Mercury 90 Operation Maintenance Warranty Installation Manual

Mercury 90
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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).
NOTICE
Without sufficient cooling water, the engine, the water pump, and other
components will overheat and suffer damage. Provide a sufficient supply of
water to the water inlets during operation.
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 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.
The most effective method of storage preparation is to add the recommended
amount of Mercury Quickstor fuel stabilizer and Mercury Quickleen products as
described on the containers to the fuel tank before the last operation of the
boat. Adding Quickstor will help prevent the formation of varnish and gum in the
gasoline. Quickleen will help clean and lubricate the fuel injectors.
Tube Ref
No.
Description Where Used Part No.
Quickleen Engine &
Fuel System Cleaner
Fuel system 8M0047931
124
Quickstor Fuel
Stabilizer
Fuel system 92-8M0047932
1. Portable fuel tank ‑ Pour the required amount of Quickstor fuel stabilizer
and Quickleen (follow instructions on containers) into fuel tank. Tip fuel
tank back and forth to mix stabilizer and Quickleen with the fuel.
2. Permanently installed fuel tank ‑ Pour the required amount of Quickstor
fuel stabilizer and Quickleen (follow instructions on containers) into a
separate container and mix with approximately 1 liter (1 US qt) of
gasoline. Pour this mixture into fuel tank.
3. Pull the drain hose off the right side fitting. Hold the open end of the hose
over a container.
STORAGE
102 eng

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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