Mercury 40 Service Manual page 409

Specifications
GEAR HOUSING
90-852572R1 JANUARY 1998
Gear Ratio
Gearcase Capacity
Lubricant Type
Forward Gear
Number of Teeth
Pinion Gear
Number of Teeth
Pinion Height
Forward Gear Backlash
Water Pressure
@ Idle
@ W.O.T.
Pressure Test
1.64:1
11.5 fl. oz. (340mL)
Quicksilver Gear Lube-Premium Blend
23
14
0.025 in. (0.64 mm)
Pinion Gear Locating Tool
(91-817008A2)
0.013–0.019 in. (0.33–0.48 mm)
Backlash Indicator Tool (91-19660--1)
Mark #3
1–3 PSI (7-21 kPa)
7–12 PSI (48-83 kPa)
10-12 PSI (69-83 kPa)
for 5 Minutes
LOWER UNIT - 6B-1