Mercury 40 FourStroke User Manual

4
C
LUBRICATION
90-857046R1 NOVEMBER 2001 Page 4C-1
POWERHEAD
Section 4C - Lubrication
Table of Contents
Specifications 4C-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft/Oil Pump 4C-2. . . . . . . . . . . . . . . . . . . . . .
Oil Pump Identification 4C-4. . . . . . . . . . . . . . . . . . .
Oil Pump Removal 4C-4. . . . . . . . . . . . . . . . . . . . . .
Oil Pump Disassembly 4C-5. . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 4C-6. . . . . . . . . . . . . . . . . .
Oil Pump 4C-6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pump Reassembly 4C-7. . . . . . . . . . . . . . . . . . .
Oil Pump Installation 4C-8. . . . . . . . . . . . . . . . . . . . .
Specifications
LUBRICATION
SYSTEM
Pump Type
Engine Oil Pressure (Warm Engine)
@ 3000 rpm
Engine Oil Pan Capacity
Oil Pump:
S/N OT427437 & Up (Electric)
S/N OT426439 & Up (Manual)
Outer Rotor to Housing “a”
Inner Rotor to Outer Rotor “b”
Rotor to Housing “c”
Oil Pump:
S/N OT427436 & Below (Electric)
S/N OT426438 & Below (Manual)
Outer Rotor to Housing “a”
Inner Rotor to Outer Rotor “b”
Rotor to Housing “c”
a
b
c
Trochoid
30-40 psi (207-278 kPa)
Either 3 Qts. or 3 Liters
0.0045 - 0.009 in. (0.11 - 0.23 mm)
0.005 in. (0.12 mm)
0.0015 - 0.003 in. (0.04 - 0.08 mm)
0.0035 - 0.006 in. (0.09 - 0.15 mm)
0.005 in. (0.12 mm)
0.001 - 0.003 in. (0.03 - 0.08 mm)

Mercury 40 FourStroke Specifications

General

Brand	Mercury
Model	40 FourStroke
Category	Outboard Motor
Language	English