Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID

SERVICE MANUAL NUMBER 24
TROUBLESHOOTING
Engine Runs Poorly at Idle
Symptoms
Cause
Main metering jets clogged or improperly
sized
Leaking gaskets
Float adjustment
Saturated float
Engine surges
Power valve broken or improperly
adjusted
Throttle valves worn or damaged
Power valve broken or improperly
adjusted
Float adjustment
Low top speed or lack of power
Main metering jets clogged or improperly
sized
Leaking gaskets
Idle rpm too low
Idle mixture screws improperly adjusted
Throttle valves worn or damaged
Automatic choke malfunctioning
Engine flooding
Poor cold engine operation
Idle rpm too low
Idle mixture screws improperly adjusted
Engine flooding
Automatic choke malfunctioning
Dirt in carburetor
Engine stalls
Hard starting
Accelerator pump damaged, malfunction-
ing or improperly adjusted
Leaking gaskets
Refer to “Engine Starts Hard”
Index
90-861327--1
OCTOBER 1999
Page 1C-15
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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- 895 pages
Document File TypePDF
CopyrightAttribution Non-commercial
(1 votes, average: 4 out of 4)
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Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID SKU UPC Model
Fernando Woll on Dec 09, 2014. Boat Engine

Great performance engine.
Class 1

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