Mercury MERCRUISER Product Applications Manual

Instrumentation and Controls
90-863758060 AUGUST 2006 Page 9A-19
• Velvet Drive In-line 71C and 72C transmissions must be operated with the shift lever
in the FORWARD gear selector position when propelling the boat forward. Damage to
transmission will result if it is operated in REVERSE (with the wrong rotation propeller)
under full power.
F N R- -
F
R
a
b
c
d
e
7653
Velvet Drive 71C and 72C Transmission
a - Transmission shift lever
b - Shift lever must be over this letter
when propelling boat FORWARD
c - Shift lever must be over this letter
when propelling boat in REVERSE
d - Poppet ball must be centered in
detent hole for each F-N-R position
(FORWARD gear shown)
e - Install shift lever stud in this hole, to
center poppet ball in FORWARD
and REVERSE detent holes

Mercury MERCRUISER Specifications

General

Number of Cylinders	4, 6, 8
Engine Type	Inboard/Outboard (Sterndrive)
Fuel Type	Gasoline
Aspiration	Naturally Aspirated
Cooling System	Water Cooled
Weight	Varies by model
Cylinder Configuration	Inline
Displacement Range	3.0L-8.2L