Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30

SERVICE MANUAL NUMBER 30

496 CID (8.1L)

Installation

Remove timing gear from old crankshaft and reinstall on new crankshaft.

IMPORTANT: Verify that all bearings and crankshaft journals are clean.

Install main bearings in engine block.

76724

72359

Main Bearing Inserts

a - Lower Bearing Insert (Install In Cap)

b - Upper Bearing Insert (Install In Block)

c - Oil Groove

Carefully lower crankshaft into place. Be careful not to damage bearing surface.

76723

a - Crankshaft

Check clearance of each main bearing, following procedure outlined under “Main Bear-

ings.” If bearing clearances are satisfactory, apply engine oil to journals and bearings.

Using new bearing cap screws and studs, install main bearing caps.

90-863161 SEPTEMBER 2000

INDEX

Page 3A-81

Product Specification

Categories	Mercury MerCruiser Manuals
Tags	Mercury MerCruiser 496 CID
Model Year	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Download File	Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step. - 355 pages
Document File Type	PDF
Copyright	Attribution Non-commercial

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Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 SKU UPC Model

Sven-Erik Walin on Jun 10, 2018. crankcase ventilation

How many openings for crankcaseventilation is there on
Merc 496 HO ?

John fox on Apr 11, 2018. Manual

Great down load . it was all there an more