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Manuals
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Yamaha Manuals
Motorcycle
QT50
Service manual
Charging System; Charging Circuit Test - Yamaha QT50 Service Manual
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:
Owner's manual
(40 pages)
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Table Of Contents
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Contents
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Table of Contents
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NOTE
: -~----~-~~~~~
First
check
for ignition timing and
intake
air
leaks
before
changing spark plug
types.
2
.
Inspection
Instruct the rider
to:
a.
Inspect
and
clean
the spark plug at least
every
6
months.
b.
Clean the
electrodes
of carbon and
adjust the
elect
rode
gap.
c.
Be
sure
t
o
use the
proper
reach plug
as
a replacement
t
o
avoid overheating,
fouling
or piston
damage.
Spark plug type
:
BP4HS
(N
GK)
Spark
plug
gap:
(use
w ire gap gauge)
0
.6.......,
0 .7
mm
(0.024,....,
0 .028
in)
6 ·2
.
CHARGING SYSTEM
A.
Charging
Circuit Test
1.
Charging output
t
est
a.
Connect
tester
as
shown.
1
Rectlfrer
2
Fuse
3
Battery
4
Sot
tho 1es1er
1n
··oc
VOLTAGE"'
poS1tt0n
b.
Turn ignition
switch
to ON
position.
start engine
and note voltage and
amperage
readings.
6-7
N.8.:
- - -
-- - - - - - - - -
--
A vant
de
changer le type de
bougie.
controler
d·abord
r
avance
a
l'allumage
et
s'il y
a des
fuites
d'air
a
('
admission.
2.
Inspection
Demander
au
pilote:
a. D'inspecter et de
nettoyer
la bougie
au
moins
chaque
6
mois.
b.
De
decalaminer
les electrodes
et
de
regler
leur
ecartement.
c.
D'etre
sur
d'utiliser
une
bougie
ayant la
longueur
de
culot
correcte afin
d·eviter
la
surchaurTe.
l'encrassement
ou
l'endom·
magement
du
piston.
Type
de
bougie:
BP4HS
(NGK}
Ecartement
des
electrodes:
(utiliser
un
calibre
a
lames}
0.6 .......,
0.
7
mm
6-2. SYSTEME DE C
HAR
GE
A.
Essai
du Circuit
de C harge
I. Essai
du debit
de
charge
a.
Connecter le
testeur comme
montre
.
•
0
e
I.
Ri:Jn:
..
,~ur
~-
Fu,ihk
J.
Butt1.:nc
.i.
M-:tlr~
k
t.:~h:ur
'ur l.t
~ici,m
··oc
VOLTAGE ..
b.
Mcttrc
le
contacteur
a
cle
sur la position
'·ON". demarrer
le moteur
et
noter
les
valeurs
de
la
tension et de
l'intensite.
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