Yamaha 20C Manual De Servicio página 100

FUEL
FUEL SYSTEM
E21030-0
Priming up
1) Visually inspect for cracks or breaks in the
priming-pump and fuel-hoses, and replace
them if required.
2) Check the operation of the check-valve by
blowing into the pump.
1 Priming pump
2 Arrow mark
3 Check valve (inlet)
4 Check valve (outlet)
E21040-0
Fuel filter
1) First removing the nut and filter-cup, disassem-
ble the fuel filter.
2) Visually inspect the filter body for cracks or
damage to the thread, and replace if required.
3) Using a soft brush and solvent, clean the filter
element thoroughly. Inspect the filter element
for breakage or distortion, and replace if
required.
4) Using a soft brush and solvent, clean the filter-
cup thoroughly. Inspect the filter-cup for cracks
or thread damage, and replace if required.
5) Place the O-ring on the filter body, install the
element, and screw in the filter cup.
4-4
E