Yamaha 40V Service Manual download pdf (Page 203)

8-16

–+

ELEC

IGNITION CONTROL SYSTEM

THERMO SWITCH

1. Measure:

● Thermo switch continuity

Out of specification → Replace.

1 Discontinuity Å Temperature

2 Continuity ı Time

3 Discontinuity

Thermo switch continuity

temperature:

Orange (O) — Orange/Green (O/G)

a 38 ~ 52˚C (100.4 ~ 125.6˚F)

b 26 ~ 34˚C (78.8 ~ 93.2˚F)

Pink (P) — Black (B)

a 90 ~ 96˚C (194.0 ~ 204.8˚F)

b 76 ~ 90˚C (168.0 ~ 194.0˚F)

Measuring steps:

● Suspend thermostat in a vessel.

● Place reliable thermometer in a water.

● Heat water slowly.

● Observe thermometer, while stirring

water continually.

OIL LEVEL SENSOR

1. Measure:

● Oil level sensor continuity

Out of specification → Replace.

Float

position

Checking leads color

1 G 2 B 3 P 4 G/R

a ON

a OFF

b OFF

b ON

Float length:

a 56.8 ~ 59.8 mm (2.24 ~ 2.35 in)

b 32.8 ~ 35.8 mm (1.29 ~ 1.41 in)

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Yamaha 40V Service Manual Page 203