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

SERVICE MANUAL NUMBER 24

TROUBLESHOOTING

Poor Fuel Economy

Cause

Special Information

Fuel leaks

Prolonged idling, slow acceleration, failure

to cut back on throttle once boat is on

plane, boat overloaded, uneven weight

distribution

Operator habits

Bent, damaged or wrong propeller. Water

test boat for proper operating rpm at wide-

open-throttle

Engine laboring

Clogged flame arrestor

Engine compartment sealed too tight

Boat bottom

Not enough air for engine to run properly

Dirty (marine growth), hook, rocker

Idle mixture settings, accelerator pump

adjustments,linkage binding, choke adjust-

ment, carburetor flooding over, main fuel

jets clogged or improperly sized

Carburetor

Improper fuel

Crankcase ventilation system not working

Engine needs tune-up

Engine running too cold or too hot

Plugged or restricted exhaust

Engine

Low compression

Index

90-861327--1

OCTOBER 1999

Page 1C-13

Product Specification

Categories	Mercury MerCruiser Manuals
Tags	Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID
Model Year	1998, 1999, 2000, 2001
Download File	Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step. - 895 pages
Document File Type	PDF
Copyright	Attribution Non-commercial

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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