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Mercury D4.2L D-Tronic Service Manual

Mercury D4.2L D-Tronic
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TROUBLESHOOTING SERVICE MANUAL NUMBER 22
Page 1C-4 90-860074--1 FEBRUARY 2002
WARNING
Make sure no fuel leaks exist before closing engine hatch.
WARNING
When running engine with boat out of water, be certain that area in vicinity of propel-
ler is clear and that no person is standing nearby. As a precautionary measure, it
is recommended that the propeller be removed.
WARNING
Do NOT leave helm unattended while performing idle speed adjustment.
WARNING
Safety glasses should be worn while working on fuel injection system. The fuel in-
jection pump will generate pressures in excess of 2000 psi (13790 kPa). Use caution
when removing injectors, injector lines, or bleeding air from injection system.
CAUTION
Do NOT operate engine without water being supplied to seawater pickup pump on
engine, or pump impeller may be damaged and subsequent overheating damage to
engine may result. Engine may be operated with boat out of water, if instructions
for running engine with boat out of water, below, are followed.
CAUTION
Do NOT run engine above 1500 rpm, as suction created by seawater pickup pump
may collapse water supply hose and cause engine to overheat

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Mercury D4.2L D-Tronic Specifications

General IconGeneral
BrandMercury
ModelD4.2L D-Tronic
CategoryEngine
LanguageEnglish

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