Yamaha 2004 WR250FS Owner's Service Manual page 307

ELECTRIC STARTING SYSTEM
STARTER RELAY INSPECTION
1. Remove:
• Starter relay
2. Inspect:
• Starter relay conduct
Battery (+) lead →
Battery (–) lead →
Tester (+) lead →
Tester (–) lead →
Connected to
Not connected
to battery
Continuous while not connected to the battery
→ Replace.
Not continuous while connected to the battery
→ Replace.
CLUTCH SWITCH INSPECTION
1. Inspect:
• Clutch switch continuity
Tester (+) lead → Black lead 1
Tester (–) lead → Black lead 2
FREE
No continuous while being pulled → Replace.
Continuous while being freed → Replace.
6 - 11
ELEC
Use 12 V battery.
Starter relay terminal 1
Starter relay terminal 2
Starter relay terminal 3
Starter relay terminal 4
Ter- Ter-
minal minal
3 4
battery
B B
1 2
PULL
– +
Tester selector
position
Ω × 1
Tester selector
position
Ω × 1