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CHECKING THE COUPLERS AND
LEADS CONNECTION
1. Check:
• Couplers and leads connection
Rust/dust/looseness/short-circuit
Repair or replace.
CHECKING THE STARTER
MOTOR OPERATION
1. Connect the positive battery ter-
minal "1" and starter motor lead
"2" with a jumper lead "3".
Not operate
Repair or replace
the starter motor.
• A wire that is used as a jumper
lead must have at least the same
capacity or more as that of the
battery lead, otherwise the jump-
er lead may burn.
• This check is likely to produce
sparks, therefore make sure
nothing flammable is in the vicin-
ity.
CHECKING THE STARTING
CIRCUIT CUT-OFF RELAY
1. Remove:
• Starting circuit cut-off relay
2. Inspect:
• Starting circuit cut-off relay con-
duction
Use 12 V battery.
Battery (+) lead
Blue/Black lead
"1"
Battery (-) lead
Brown lead "2"
Tester (+) lead
Blue/White lead
"3"
Tester (-) lead
Black lead "4"
Result
Conductive (while the
battery is connected)
Not conductive while the battery is
connected
Replace.
Conductive while the battery is not
connected
Replace.
Set the tester selection position to
Ω
"
× 1".
ELECTRIC STARTING SYSTEM
CHECKING THE STARTER RELAY
1. Remove:
• Starter relay
2. Inspect:
• Starter relay conduction
Use 12 V battery.
Battery (+) lead
Starter relay
terminal "1"
Battery (-) lead
Starter relay ter-
minal "2"
Tester (+) lead
Starter relay ter-
minal "3"
Tester (-) lead
Starter relay ter-
minal "4"
Result
Conductive (while the
battery is connected)
Not conductive while the battery is
connected
Replace.
Conductive while the battery is not
connected
Replace.
Set the tester selection position to
Ω
"
× 1".
CHECKING THE CLUTCH SWITCH
1. Inspect:
• Clutch switch conduction
Tester (+) lead
Black lead "1"
Tester (-) lead
Black lead "2"
Result
Conductive (while the
clutch lever is pulled)
Not conductive while it is pulled
place.
Conductive while it is freed
place.
Set the tester selection position to
Ω
"
× 1".
7-7
CHECKING THE DIODE
1. Remove the diode from wire har-
ness.
2. Inspect:
• Diode continuity
Use pocket tester (tester selec-
tion position
Tester (+)
terminal "1"
Tester (-)
terminal "2"
Tester (+)
terminal "1"
Tester (-)
low terminal "3"
Tester (+)
terminal "2"
Tester (-)
terminal "1"
Tester (+)
low terminal "3"
Tester (-)
terminal "1"
Incorrect continuity
CHECKING THE START SWITCH
1. Inspect:
• Start switch conduction
Tester (+) lead
Tester (-) lead
Result
Not conductive while it is pushed
Re-
Replace.
Conductive while it is freed
Re-
place.
Set the tester selection position to
Ω
"
× 1".
Ω
× 1)
Blue/Red
Continu-
Sky blue
ous
Blue/Red
Continu-
Blue/Yel-
ous
Sky blue
No con-
Blue/Red
tinuous
Blue/Yel-
No con-
Blue/Red
tinuous
Replace.
Black lead "1"
Black lead "2"
Conductive (while the
start switch is pushed)
Re-

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This manual also for:

Wr250fx

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