Specifications - Mercury 40 Service Manual

Specifications

Gear Ratio
Gearcase Capacity
Lubricant Type
Forward Gear
Pinion Gear
Pinion Height
Forward Gear Backlash
GEAR HOUSING
Reverse Gear Backlash
Water Pressure
Pressure Test
NOTE: Before filling gear case, apply 10-12 PSI of air
pressure at the vent hole. Pressure should not drop
for 5 minutes while alternately applying a 2-3 pound
force to the top of the shift shaft in the fore and aft
direction.
90-852572R1 JANUARY 1998
Number of Teeth
Number of Teeth
With Thermostat
@ Idle
@ W.O.T.
W/O Thermostat
@ Idle
@ W.O.T.
1.83:1
14.9 fl. oz. (440 mL)
Quicksilver Gear Lube-Premium Blend
22 Spiral/Bevel
12 Spiral/Bevel
No Adjustment
No Adjustment
No Adjustment
0.5-1.5 PSI (3-10 kPa) @ 750 RPM
5-7 PSI (34-48 kPa) @ 5000 RPM
0-1 PSI (0-6 kPa) @ 750 RPM
5-7 PSI (34-48 kPa) @ 5000 RPM
10-12 PSI (68-83 kPa)
for 5 Minutes
LOWER UNIT - 6A-1