Yamaha FX10X Service Manual page 756

COOLING SYSTEM
RADIATOR FAN MOTOR
1. Disconnect:
• Radiator fan motor coupler
2. Connect:
• Battery
(to the radiator fan motor coupler)
3. Inspect:
• Radiator fan motor
Positive battery terminal → Blue 1
Negative battery terminal → Black 2
Does not move → Replace the radiator fan
motor.
RADIATOR FAN MOTOR RELAY
1. Remove:
• Radiator fan motor relay
Inspection steps:
• Connect the pocket tester (Ω × 1) and battery
(12 V) to the radiator fan motor relay terminals
as shown.
Positive battery terminal → Red/White 1
Negative battery terminal → Green/Yellow 2
Positive tester probe → Brown/Black 3
Negative tester probe → Blue 4
• If radiator fan motor relay does not have conti-
nuity between the brown/black and blue termi-
nals, replace it.
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