Clutch - Yamaha QT50 Service Manual

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-----
Minimum throttle
Maximum
throttle
Pump output
0.19- 0.24cm'
0.91 -
1.06 cm'
for
2
00 strokes
(0.006
-
0.008
oz)
10.03
1 -
0.036
oz)
11
00
cycles)
2
.
Reassembly
Always
install
a new pump
case
0
-
ring
.
1.
Oil
pump assembly
2.
Oilseal
3
.
0-ring
4.
Delivery
pipe
5.
Clip
6
Gasket
7
.
Bind
screw
8
.
Adjusting
plate
9.
Hexagon nut
10.
Union
bolt
11. Worm
wheel
gear
12. Pin
13.
Circlip
14.
Panhead
screw
15.
Panhead
screw
16. Cover
1
16
17.
Cover 2
18.
Panhead
tapping
screw
G.
Clutch
1.
Measure the clutch shoes
lining
thick-
ness.
If their minimum thickness
ex-
ceeds
tolerance.
replace.
If any
sign
of
seizure
are
found,
replace
them.
Clutch
shoe
lining thickness:
S.T.D.: 1.0 mm (0.040 in)
Wear
limit:
0
.
7 mm
(0.03
in)
2
.
Measure each clutch shoes
spring.
If
beyond tolerance, replace.
-----
New
Limit
Clutch
shoe spring
34.5 mm
35.5 mm
free length
(1 .36 in)
(1 .39
in)
3-14
-----------
Accelerateur
AccCICrateur
au minimum
au
maximum
Di:bit
de la pompe pour
0. 19-0.24 cm'
0.9 1-
1.06
cm'
200 courses
(I
00
cycles)
2.
Remontage
Toujours
utiliser
un Joint
torique
de
car-
ter
de
pompe
neuf.
G. Embrayage
I. Ens.
pompc ii
huilc
2.
Baguc d'ctancheite
3. Joim toriquc
4. Tuyautl!ric
d~alimcntalion
5.
Agrnre
6.
Joint
7. Vis
<le prcssion
8.
Plaque
de ri:glage
9. Ecrou hexagonal
10.
Boulon
d~
raccon.lcment
I
I.
Pignon
de
vis sans
fin
12.
Goupillc
13.
Circlip
14.
Vis
ii
tctc tronconique
15.
Vis 0
l~tc
tronconique
16.
Couvcrclc
I
11.
Couvercle 2
18.
Vis
porker
ii
tCte tronconiquc
I.
Mesurer
l'epaisseur des
garnitures
des
machoires d'embrayage.
Si
cette epaisseur
est
hors-tolerances, changer.
Si le moindre signe de
cassure est
trouve,
changer les
machoires.
Epaisseur de garniture
de
machoire
d'embrayage: S.T.D.: 1,0 mm
Limite
d'usure: 0
,7
mm
2.
Mesurer
chaque
ressort
de machoire
d'embrayage.
Si la longueur
est
hors-
tolerances,
changer.
------
N
cuf
Li
mite
Longueur
libre
de ressort
34,5
mm
35,5
mm
de
machoire
d'embrayage

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