90-826148R2 MARCH 19973B-16 - FUEL SYSTEM
IMPORTANT: Use of enrichener if engine is warm
could result in engine flooding
Enrichener Valve Test
Push key (or choke button) in.
Valve should click
No Click
Click
Battery Voltage Indicated
No Voltage Indicated
Fuel Flow from Fitting
No Fuel Flow from Fitting
Check for battery voltage to YELLOW/BLACK wire at
terminal block on engine when key (or choke button) is
pushed in.
Squeeze primer bulb until bulb is firm. Remove lower hose
from fitting on enrichener valve. Place a container under
valve, then push key (or choke button). Check for fuel flow
from fitting.
Check for loose or corroded connection between YEL-
LOW/BLACK wire and BLACK wire (under same screw at
terminal block).
Check that other BLACK wire at terminal block is properly
grounded.
Repair connections(s) as necessary, then push key (or
choke button) in. If enrichener valve DOES NOT click,
replace valve.
Check for open in YELLOW/BLACK wire
between key switch (or choke button) and
terminal block.
Valve is O.K. Check hoses and fittings from valve to carbu-
retor for leaks or obstructions.
Remove upper hose from fitting on enrichener valve. If fuel
flows from hose, replace valve. If not, check hose and car-
buretor fittings for leaks or obstructions.