Yamaha QT50 Service Manual page 70

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3
.
Drive pinion
and
ring gear
complete
Check the
gear
teeth for damage and
scratches.
If
teeth are
excessively
dam-
aged or scratched.
replace
both.
4
.
Drive shaft
bearing
and shaft
drive
housing
bearing checking.
Check
bearing
for
wear.
damage.
If
necessary. replace them.
5
.
Greacing the
bearing.
Before installing
the
bearing(s).
apply
grease
to
bearing.
Do not over
pack.
Recommended
grease:
Lithium
base wheel bearing grease
(EX.
SHELL LETHINAX
A)
Tightening
torque.
Drive
shaft housing
screw:
50
Nm
(5.0
m-kg.
36
ft-lb)
Rear
arm
comp. holding
screw:
25
Nm
(2.5
m -kg.
18
ft-lb)
6
.
Housing cover
installation
When installing
the housing
cover.
make sure that the 0-ring
is
correctly
fitted in the groove on the
cover.
5.
10
3.
Pignon
de
transmission
et
couronne
complete
Comroler
si les
dents
de la couronne
sont
cndommagees ou
rayees.
Si les
dents sont
recessivement
endommagees ou rayees,
changer les
deux
pieces.
4.
Controle du
roulement
et
du logement de
roulement
de
l'arbre
de
transmission
Controler
si
le roulement
et son
logement
sont
uses
ou endommages.
Si
necessaire,
changer
ces
deux pieces.
5.
Graissage de
roulement
Avant
d'
installer
le(s)
roulement(s),
le(s)
graisser.
N
e
pas
surcharger.
l'Q[)~~
l
Applygr;;;;s~
... .
~:·;
~
Apply
grea~ ~
Mcurc de la graissc
~
-
"'
"
" ""•·;~~
Apply grease
~~
Graisse
recommandee:
Graisse
a
base
de
lithium
pour
roulements
de
roue
{Ex.:
SHELL
LETHINAX A)
Couple
de
serrage:
Vis de c
0
arter d'arbre de transmission:
50
Nm
(5,0
m-kg)
Vis
de
fixation
de bras
arriere comp.:
25
Nm
(2,5
m-kg)
6.
Mise en
place
du
couvercle
de carter
L
ors
de
la
mise
en place du
couvercle
de
carter,
s'assurer
que le joint
torique est
correctement
monte dans la
gorge
du
couvercle.

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