Circuit Diagram; Troubleshooting; Charging System - Yamaha CW50L Service Manual

C...O,.OS*STEM IE'ECIF'141 C...O,.OS*STE.
CHARGING SYSTEM TROUBLESHOOTING
CIRCUIT DIAGRAM I THE BATTERY ISNOT CHARGED I
NOTE:
• Remove the following parts before proceeding with the troubleshooting :
1 ) Mole.
• For accurate troubleshooting use the following special tools :
I<_ Inductive tachometer: I I<_ Pocket tester:
90890-03113 90890-03112
INOC
Refer to "SWITCH INSPECTION".
_@i_ ,_ CONTINUITY I Reptace fuse. I
2. Battery
OUT OF SPECIFICATION
• Check the condition of the battery.
Refer to "BATTERY INSPECTION" in
CHAPTER 3.
_ i[_i i _1 Open circuit v°ltage: i : Clean battery terminals' I
_=i =_;_ :i t2.8 V or_more at 20°C (68°F) Charge or replace the battery.
......... L ........ ; "JL_
_,, _ ,_:;,_,:,,_ CORRECT
,,'_f ! _ E 3. Charging voltage
__ !_ ! • Connecttheenginetachometertothespark
plug lead. _--L_:_
• Connect the pocket tester (DC20V) to the ___
battery terminals, ___._ i_._ _ I**_;" Pockettester(+)lead_ Battery(+)terminal
_r_._ _j_- Pocket tester (-) lead _ Battery (-) terminal
_'_'-_' _°_"<" * Start the engine and accelerate to about _/
5000 rpm.
• Check the charging voltage,
_i_ I_-------'}lCharging voltage:
I _l__£Jl 14 ~15 V at 5.000 tr/mn
I _i; INOTE:--_ MEETS SPECIFICATION
I Use a fully charged battery, n
41OUTO 4"
SPECIFICATION I Charging circuit is OK, !
7-17 7-18