1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16

Transmission Fluid Capacities
MODEL
U.S. QTS. (LITRES)
1-1/2 (1.3) (See Note)
2-1/2 (2.4) (See Note)
71C
and 72C
and 72C Reduction
NOTE: Use dipstick to determine fluid exact level.
71C
Warm Fluid Level Check: The transmission should be at operating temperature [190° F(90° C)] maximum to
receive an accurate oil level reading.
Cold Fluid Level Check: To ease checking fluid level, the dipstick can be marked or scribed. First the procedure
for warm fluid level must be performed, then allow boat to  sit overnight. Remove and wipe clean the dipstick.
Insert clean dipstick and mark the cold fluid level.
Transmission Pressure Specifications
Neutral Gear
PSI (kPa)
Forward Gear
PSI (kPa)
Reverse Gear
PSI (kPa)
Engine RPM
MIn.
Max.
Min.
Max.
Min.
Max.
250
600
70 (483)
115 (793)
125 (862)
135 (931)
70 (483)
120 (827)
125 (862)
115 (793)
135 (931)
140 (965)
160 (1103)
180 (1241)
140 (965)
2000
3000
160 (1103)
Transmission Output Shaft Rolling Torque
NOTE: Transmission is not installed on engine, no fluid in transmission. Use torque wrench and socket on cou-
pling nut.
MODEL
71C
RATIO
1:1
Lb. In.
50 Max.
50
N·m
68 Max.
70
72C
1:1
Transmission Fluid Specification
Transmission Type
ATF (Dexron III)
Mobil 424
71C
71C
71C
72C
72C
72C
Direct Drive
Reduction Drive
V-Drive
X
X
X
Direct Drive
Reduction Drive
V-Drive
X
X
X
NOTE: Transmissions (except reduction drive transmissions) supplied with Mobil 424 can be changed to ATF
Dexron III, but transmission must be flushed and refilled at least twice (this includes lines and cooler).
index
8A-2 –VELVET DRIVE IN-LINE TRANSMISSION
90-823224-2  796
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1993, 1994, 1995, 1996, 1997
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(4 votes, average: 4.5 out of 5)
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1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 SKU UPC Model
Nick on Aug 13, 2018. Exactly what I was looking for!

Hugely helpful service manual! Perfect. Thank you!


Sonthaya Traipug on May 04, 2018. Freelance Yachts Service

Manuals are all Important for Technician


Glenn on Dec 02, 2015. Nice

This book is invaluable if you do your own repairs. Great book.


Joseph on Oct 04, 2015. 1997 7.4l Bravo

Could not find a copy until a search brought me here.
Excellent print.
Thank you


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