Mercury MerCruiser MCM 7.4L MPI User Manual

VELVET DRIVE IN-LINE TRANSMISSION SERVICE MANUAL NUMBER 23
Page 8A-8 90-861326--1 MARCH 1999
Filling Transmission
IMPORTANT: Use only specified transmission fluid (see “Specifications”).
1. Remove dipstick. Fill transmission with fluid, through dipstick hole, to bring up to full
mark.
72526
a
b
c
a-Dipstick
b-Full Mark
c-Dipstick Tube
IMPORTANT: To accurately check fluid level, run engine at 1500 RPM for 2 minutes
immediately prior to checking level.
2. Start engine and run at 1500 RPM for 2 minutes to fill all hydraulic circuits.
NOTE: Be sure to push dipstick all the way down into dipstick tube when checking fluid level.
3. Stop engine and quickly check fluid level. Add transmission fluid, if necessary, to bring
level up to full mark on dipstick.
4. Reinstall dipstick. Be sure to tighten T-handle securely.
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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)