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C
Inspection
1.
Turn lhe oil pump drive shaft by hand and
make sure that 1t ,s
turrung
smoothly
2.
MedSUring the
clearance between the
out'3r rotor and
the pump
body.
lnsen the th ckness gauge between the
outer rotor and the pump body
(Fig.
7)
Stnndaro Vo1ue
O OU4-0 006
(O 10-0 15
mm)
mch
(mm}
S1u,•1caaole Lmrn
Repta cd
1f
ove
0 0079 (0 20
mm)
3.
Measuring
the end clearance of
the
rotor
Place o straight edge across the pump
housing
and
check
the
clearance
ot the
rotor w1th
a
thickness gauge
IFig.
B)
Stanonrd Value
0 0008-0 0027
(0 02-0 07
mm)
0
.
Reassembly
Serv1ceabre
Limn
Repl
acd
1f
over
0 004 7
C
O 12
mm)
Perform the reassembly
1n
the
reverse order
of
disassembly
procedure
Parllcula
1
at·
tenuon should be
pa10
to
the following
Hems
(Fig.
9)
1
Make
sure that
the
pans are
thoroughly
cleaned be1ore
assembly
2.
After comple11ng
the
reassembly of the
pump.
check to make sure that
the
pump is operaung smoolhlv by turning
the shaft bv hand before mounting the
pump m the crankcase
6
.
CYLINDER AND CYLINDER HEAD
A.
Description
ThP cyl nder head 1s made of aluminum
alloy to improve the cooling erfect. Cylinder
1s
made of special cast iron wtuch
provides
good wear characterislics
w
ithout
being
aff c!cted
by
high temperature and
pressure.
(I)
l
h
lC ~'1'!U
g Bll!JP.
Fig
.
7.
(j)
S1ra1ght edg11
Fig
8
(D
0,1
oump b odv
g
ask•JI
en
011 pumf1 dwoll r,m
~
0
11
pump b odv
~
6
mm ho,c bolt
(JI
011
pump
ournr 1ow1
011
pmnr,
tn,wr
ro101
9
~
Otl pump dnve ,tush
II
011 pump
covur
1n1nkm
-ai
011
pump cover
B
6 mm
1pr1nq
w11•hftt
@
6
mm cross ,c,ow
@
6
mm he1e. bnh
@
Cam chain
guide
sprocknt 11p11idln
Fig.
9
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