Fuel Mesh Filter Inspection And Cleaning; Fuel Gauge Inspection - HYOSUNG 2010 ST7 Service Manual

5-5 FUEL SYSTEM AND THROTTLE BODY
First, check the insulation between ① and ② termi-
nals with pocket tester. Then apply 12 volts to ③ and
④ terminals, to ③ and
continuity between ① and ②.
If there is no continuity, replace it with a new one.
FUEL MESH FILTER INSPEC-
TION AND CLEANING
● If the fuel mesh filter is clogged with sediment or
rust, fuel will not flow smoothly and loss in engine
power may result.
● Blow the fuel mesh filter with compressed air.
NOTE
If the fuel mesh filter is clogged with many sedi-
ment or rust, replace the fuel filter cartridge with a
new one.

FUEL GAUGE INSPECTION

● Measure resistance between the terminals when
float is at the position instead below.
Fuel float position Resistance between terminals
F
1/2
E
● If the resistance measured is out of the specifica-
tion, replace the gauge with a new one.
● Inspect the fuel level meter.
to ④, and check the
Approx. 90 ~ 100 Ω
Approx. 55 Ω
Approx. 4 ~ 15 Ω
①
②
③
④