Yamaha YXR660FAS Service Manual download pdf (Page 401)

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ELEC

COOLING SYSTEM

GOOD

CONDITION

6. Thermo switch 3

• Remove the thermo switch 3 from the radi-

ator.

• Connect the pocket tester (Ω × 1) to the

thermo switch 3 1.

• Immerse the thermo switch 3 in coolant 2.

• Check the thermo switch 3 for continuity.

While heating the coolant use a thermom-

eter 3 to record the temperatures.

È

The thermo switch 3 circuit is closed.

É

The thermo switch 3 circuit is open.

Test step Coolant temperature Continuity

1

Less than 75 ± 3 °C

(167 ± 5.4 °F)

No

2

More than 75 ± 3 °C

(167 ± 5.4 °F)

Yes

3

More than 68 °C

(154.4 °F)

Yes

4

Less than 68 °C

(154.4 °F)

No

Test steps 1 & 2: Heating phase

Test steps 3 & 4: Cooling phase

WARNING

Handle the thermo switch 3 with special

care.

Never subject it to a strong shock or allow

it to be dropped. Should it be dropped, it

must be replaced.

T

R

.

.

Thermo switch 3

28 Nm (2.8 m · kg, 20 ft · lb)

*

*

BAD CONDITION

Replace the thermo switch 3.

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