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. .
Item
Sett mg mark
M
J
(Marn Jet)
A J (Air Jell
.
~
- - - - - , -
A B (Air
Blijedl
NJ
(Needle
Jet)
J
N
(Jet Needle)
CA
(Cut away)
AS
(Air Sc.rew}
PJ
(Pilot Jetl
vs
(Valve Seatl
B
p
(By
passl
Morn
Bore
Fuel
Level
B
Removal
ABl
AB 2
AB3
AB
c1
ABS
_______
._
250M II
~
50
~
100
05x2
05X2
05X2
Spec1f11;a11on
2 1 mm
(0
083
1n ) x
3R
2". 2 Steps 2 05
rnm
(0 0907
rn.)
J
2 (Cut away)
Width 1
mm
(0
0394
u,
)
0Pptl1
o
2
m
m
(0
0070
1n
l
1
3
i
±
Ye
~
38
O 6
mm
(O 024
111
I
0 9
mm
(0 035
in
I
P
-
5
3
rnm
(0
209
rn
l
9 mm (0 354
,n )
18
mm
(0.709
n)
25
Turn
the
fuel
cock
to
ttie OFF position
and
disconnect
lhft
fuel
LUbo
from
Lhu
carburetor
2. Remove ttie
{.ap
and disconnect throttle cable
from
the thronle
'lotve
3
Unscrew
:he
two carburetor mo11nt1n9 bolts to •emo
Je
the
carburowr
4
Loo:son the air cleaner tube
connecting
clamp ant.I
s~p:irato
th" a,,
cle:111,,r
O!H,~111bly
from
the
carburetor
5
Remove arr cleaner
co,;er
and
lift
out the
a,r
cleaner
elernen\
C.
Inspection
I
Washing
the
components
After Lhe
carburetor has been
disassembled.
wash
the
parts
tn
solvent
(or
oaso1111~1
and dry
with
comoressed air
2
tnspectrng tt1e float
Shake the flout to see
,t
tnere are any
gasoline contained
1ns1de or
for
any
delormat1on of the rtoa1
If
111e rloa1
contain tne gasoline or
1s
deformed.
replace 1t
w1ttl
a
new float
3
Carburetor ad1ustmen1
a
Ad1us11ng
tne idle
The
tdlmg
s
adJustea
1n
1h12
followrng
manner with tl'le
throttle
stop sc:rew
and the a,r screw
(1)
Sets
the
eng ine to
the
proper
idling speeo
(1200
rpm)
with
the
1hro11Je
stop
screw.
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