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Kawasaki KZ1300-A1 Quick Reference Manual Page 202

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MAINTENANCE--ENGINE
Rotor
side
clearance
Lay a straightedge on the oil pump body, and meas-
ure the clearance between the straightedge and the
rotors with a thickness gauge. If the clearance exceeds
the service limit, check the thickness of the inner and
outer rotors and the depth of the pump body
.
Then
replace the rotors and/or pump body which exceed(s)
the service
limit.
Table H81
Rotor Side
Clearance
Service Limit
0.12 mm
Table
H82
Rotor Thickness
Service Limit
15.96 mm
Table
H83
Pump Body Depth
Service Limit
16.08 mm
Oil Screen
The oil screen,
installed
in the lower part of the
crankcase,
removes any metal particles and other
foreign
matter which could damage the oil pump
.
When the oil pan is removed,
remove
the oil screen
,
and
clean any metal particles and other dirt out of the
screen.
If the oil screen is damaged
,
replace
it
with a
new one.
A. Oil Screen
Oil Filter
The oil filter, located in the lower part of the crank-
case, removes impurities from the oil.
As the filter element becomes dirty and clogged,
its
filtering efficiency is impaired. If it becomes so clogged
that is seriously impedes oil flow, a pressure-activated
bypass valve in the oil filter mounting bolt opens so that
sufficient oil will still reach the parts of the engine need-
ing
lubrication
.
When the filter becomes clogged such
that the oil pressure difference between the inlet and
outlet for the filter reaches a certain pressure, the oil
on the inlet side pushing on the valve spring opens the
valve, allowing oil to flow to the oil passage, bypassing
the
filter.
COOLING SYSTEM
The water cooling system
is
a pressurized
forced-
circulation
type.
When the engine load varies, this
system controls the engine temperature within narrow
limits where the engine operates most
efficiently.
In
th is way the engine performs stably in various riding
conditions,
and possesses high durability.
Since the
engine top end is surrounded with water which absorbs
the engine noise, the engine
runs
quietly.
Cooling System
CD
II
II
: : (jJ)
II
II
II
II
L=
¢:::::J:
Cold Water
~:
HotWater
1. Fan
Relay
2. Radiator
3. Fan
4.
Electric Motor
5.
Thermostat
6. Fan Switch
7. Battery
8. Cylinder Head
9. Cylinder
10. Water
Pump
11
.
Bypass
The cooling system consists of the
coolant,
water
pump
,
mechanical
seal,
radiator, radiator cap, radiator
202

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