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Mercury 90 Service Manual

Mercury 90
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90-830234R3 DECEMBER 1997 MID-SECTION - 5C-21
Trailering Outboard
WARNING
Excessive engine trim angle will result in insuffi-
cient water supply to water pump causing water
pump and/or powerhead overheating damage.
Make sure that water level is above gear housing
water intake holes whenever engine is running.
While operating “up” circuit, the cylinder rod will
continue to tilt the outboard to a full up position for
trailering.
Tilting Outboard Up and Down
Manually
WARNING
Before loosening the manual release valve, make
sure all persons are clear of engine as engine will
drop to full “down” position when valve is loos-
ened.
With power trim installed, the outboard can be raised
or lowered manually by opening the manual release
valve 3 to 4 turns (counterclockwise).
a
55170
a - Manual Release Valve

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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