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

496
CID (8.1L)
SERVICE MANUAL NUMBER 30
496
CID (8.1L) Engine Specifications (Continued)
ROLLER TAPPET CAMSHAFT
496
Mag /
496
8.1S
Mag HO /
HO
Model
8.1S
Horizon
.284
in.
.30 in.
Exhaust
Intake
(7.22
mm)
(7.62 mm)
Lobe Lift
.282
in.
.30 in.
(7.16
mm)
(7.62 mm)
Exhaust
Intake
*
*
*
*
Duration at .050 In.(1.27mm)
Cam Lift
1.9477
(49.472
*
- 1.9479 in.
Journal Diameter
- 49.522 mm)
Journal Out Of Round
Camshaft Runout
*
.002 in. (.051 mm) (max)
.375 in. (9.5 mm) from taut
Timing Chain Deflection
position. Total .75 in. (19 mm)
CYLINDER HEAD
Model
496 Mag
.004
(0.1016 mm) overall max
Gasket Surface Flatness
.003
in. (.076 mm) with 6 in (152 mm)
Span
*
Not available at time of printing.
Page 3A-10
INDEX
90-863161   SEPTEMBER 2000
Product Specification
CategoriesMercury MerCruiser Manuals
Tags
Model Year1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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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

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