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

SERVICE MANUAL NUMBER 24

5.0l / 305 cid / 5.7l / 350 cid ENGINES

IMPORTANT: Cylinder head surfaces should be resurfaced if warped more than

specified to provide proper alignment.

Inspect valves for burned heads, cracked faces or damaged stems.

IMPORTANT: Excessive valve stem to bore clearance will cause excessive oil con-

sumption and possible valve breakage. Insufficient clearance will result in noisy and

sticky valves.

10.

Measure valve stem clearance as follows:

a. Attach a dial indicator to cylinder head, positioning it against the valve stem and

close to the valve guide.

b. Holding valve head off seat about 1/16 in. (2 mm), move valve stem back and forth

in direction shown. Compare stem clearance with specifications.

c. If clearance exceeds specifications, it will be necessary to ream valve guides for

oversized valves. Refer to “Valve Guide Bore Repair.”

72336

a - Valve Stem

b - Dial Indicator

c - Valve Guide

Index

90-861327--1

OCTOBER 1999

Page 3A-35

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