Mercury 305 CID - Velvet Drive In-Line (71 C and 72 C) Specifications; Transmission Ratios; Torque Specifications

VELVET DRIVE IN-LINE TRANSMISSION - 8A-190-823225--1 1096
Velvet Drive In-Line (71C and 72C) Specifications
The transmission identification plate is located on the top left side of the transmission. Refer to charts following
to determine engine and transmission combinations
72839
b
c
d
a
Transmission Identification Plate
a - Model Number
b - Ratio (in Forward Gear)
c - Serial Number
d - Identification Plate Model Color Code
Transmission Ratios
Ratio in Forward Gear (NOTE 1 & 2)
Identification Plate
Color Code
1:1 Red
1:1
Green
1:1
Green
1.5:1
2.5:1
2.91:1 Green
NOTE: 1. This ratio is shown on identification plate. Ratio may be rounded off in some cases.
NOTE 2: These transmissions are for LH (standard) rotation engines, and the propeller shaft rotation is LH
(standard) when in forward gear.
Torque Specifications
DESCRIPTION Lb. Ft. N·m
Drain Plug (Bushing) 25 34
Fluid Hose to Bushing 25 34
Pump Housing to Adapter 17-22 23-29
Rear Mounts to Transmission 45 61
Shift Lever to Valve 8-11 11-15
Transmission to Flywheel Housing 50 68
Neutral Start Switch 8-11 11-14