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

MAINTENANCE

SERVICE MANUAL NUMBER 24

Draining Instructions

DRAINING SEAWATER (RAW-WATER) COOLED MODELS

NOTICE

Refer to “Cold Weather or Extended Storage Precautions” in this section, BEFORE

proceeding.

MCM (Sterndrive) Models:

Engine must be as level as possible to ensure complete draining of cooling system.

Remove drain plugs from bottom of port and starboard manifold fittings.

Remove drain plugs (port and starboard) from cylinder block, or cylinder block Y-fitting.

CAUTION

Avoid product damage. Do not disturb the Y-fitting when removing the drain plug.

There is an ignition control “Knock Sensor” in the upper hole of the fitting. This sen-

sor must not be loosened or removed. It is tightened to a critical specification at the

factory.

74073

Starboard Side Shown (Port Similar)

a- Exhaust Elbow Drain Plug

b- Cylinder Block Drain Plug

c- Y-Fitting (Fuel Injected Only)

d- Cylinder Block Drain Plug (Fuel Injected Only)

e- Knock Sensor

Index

Page 1B-42

90-861327--1 OCTOBER 1999

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