Mercury MerCruiser MCM 7.4L MPI User Manual

VELVET DRIVE 5000A DOWN ANGLE TRANSMISSION SERVICE MANUAL NUMBER 23
Page 8B-2 90-861326--1 MARCH 1999
Identification
The transmission identification plate is located on the top left side of the transmission. Refer
to charts following to determine engine and transmission combinations.
73247
a
b
c
d
Transmission Identification Plate
a-Model Number
b-Ratio (In Forward)
c-Serial Number
d-Identification Plate Model Color Code
Transmission Ratios and Part Numbers
Ratio in Forward
Gear
1
Identification Plate
Color Code
Velvet Drive Model
Number
Mercury Marine Part
Number
1.5:1 20-01-003 805495A6
2:1
Black
20-01-004 805495A4
2.5:1
Black
20-01-005 805495A5
2.8:1 20-01-006 805495A7
1
This ratio is shown on identification plate. Ratio may be rounded off in some cases.
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Index

Mercury MerCruiser MCM 7.4L MPI Specifications

General

Engine Type	V8
Bore	4.25 in (108 mm)
Compression Ratio	8.6:1
Ignition System	Electronic Ignition
Alternator	65 Amp
Displacement	7.4L (454 cu in)
Fuel System	Multi-Port Fuel Injection (MPI)
Horsepower	310 HP
Torque	450 lb-ft
Cooling System	Closed Cooling
Fuel Requirement	87 octane (minimum)
Stroke	4.00 in (101.6 mm)