Yamaha BWS CW50L Service Manual download pdf (Page 91)

C...O,.OS*STEMIE'ECIF'141 C...O,.OS*STE.

CHARGINGSYSTEM TROUBLESHOOTING

CIRCUITDIAGRAM I THEBATTERYISNOTCHARGED 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:--_ MEETSSPECIFICATION

I Use a fully charged battery, n

41OUTO 4"

SPECIFICATION I Charging circuit is OK, !

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Yamaha BWS CW50L Service Manual Page 91