Thermo Switch; Fuel Enrichment Valve - Yamaha 50G Service Manual

– +
ELEC
ELECTRICAL ANALYSIS
M57300-0

THERMO SWITCH

1. Immerse the thermo switch in water.
While heating the water, check the con-
tinuity at the specified temperature.
2. While cooling the water, check the con-
tinuity at the specified temperature.
If continuity is not as specified, replace
the thermo switch.
ON temperature a:
84 ~ 90˚C (183 ~ 194˚F)
OFF temperature b:
60 ~ 74˚C (140 ~ 165˚F)
1 Discontinuity
2 Continuity
3 Discontinuity
Å Temperature
ı Time

FUEL ENRICHMENT VALVE

1. Measure the resistance of the fuel
enrichment valve.
Fuel enrichment valve resistance:
at 20˚C (68˚F)
L – B: 3.4 ~ 4.0 Ω
NOTE:
Refer to "Low resistance measurement" for
this inspection.
8-24
E