TOHATSU MFS 9.9 User Manual

5
5-37
4st 9.9/15/20 2008
20) Inspection of Oil Pump
1. Use micrometer, cylinder gauge, depth gauge and thickness
gauge to measure dimensions shown below. Replace oil
pump if over specified value.
a
b
c
e
d
a
b
c
O-Ring
Pump Body
Outer Rotor
Inner Rotor
Shaft
Pin
Gasket
Oil Pump Cover
E/OIL
4st OIL
4st
OIL
M-635
Functional Limit :
Clearance between Outer Rotor and Body a :
0.36 mm (0.0142 in)
Clearance between outer and inner rotors b :
0.16 mm (0.0063 in)
Side clearance between rotor and body c :
0.11 mm (0.0043 in) (including wear of oil pump cover)
Height of Outer Rotor d :
14.96 mm (0.5890 in)
Pump Body Inner Diameter e :
29.04 mm (1.1433in)
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TOHATSU MFS 9.9 Specifications

General

Brand	TOHATSU
Model	MFS 9.9
Category	Outboard Motor
Language	English