Yamaha MAJESTY YP250, Service Manual

Page: 225 / 267

8-17
ELECTRICAL STARTING SYSTEM
ELEC
YP******
3. Starter motor
S
Connect the battery positive terminal and
starter motor cable using a jumper lead.
S
Check the starter motor operation.
CONTINUITY
Repair or replace the starter motor.
DOES NOT MOVE
:
:
YP******
4. Starter relay
S
Disconnect the relay unit coupler from the
wireharness.
S
Connect the pocket tester (
Ω
1) and bat-
tery (12 V) to the relay unit coupler terminals.
Battery (+) lead
Green / Yellow terminal
Battery (–) lead
Blue / White terminal
1
2
MOVES
A wire used as a jumper lead must have the
equivalent capacity as that of the battery
lead or more, otherwise it may burn.
This check is likely to produce sparks, so be
sure that no flammable gas or fluid is in the
vicinity.
S
Check the starter relay for continuity.
Tester (+) lead terminal
Tester (–) lead terminal
3
4
Replace the starter relay.
NO CONTINUITY
CONTINUITY
YP******
5. Starting circuit cut-off relay
S
Disconnect the starting circuit cut-off relay
coupler from the wireharness.
S
Connect the the pocket tester (
Ω
1) and
battery (12 V) to the starting circuit cut-off
relay coupler terminals.
Battery (+) lead terminal
Battery (–) lead terminal
2
4
S
Check the starting circuit cut-off relay for
continuity.
Tester (+) lead terminal
Tester (–) lead terminal
1
3
Replace the starting circuit cut-off relay.
NO CONTINUITY