Enrichener Valve Test - Mercury 45 Jet 50-55 Service Manual

No Click
Check for battery voltage to YELLOW/BLACK wire at terminal
block on engine when key (or choke button) is pushed in.
Battery Voltage Indicated
Check for loose or corroded connection between YELLOW/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 but-
ton) in. If enrichener valve DOES NOT click, replace valve.
3C-2 - FUEL SYSTEMS
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 Fuel Flow from Fitting
Remove upper hose from fitting on enrichener valve. If fuel flows
from hose, replace valve. If not, check hose and carburetor fittings for
leaks or obstructions.
Squeeze primer bulb until bulb is firm. Remove lower hose from fit-
ting on enrichener valve. Place a container under valve, then push
key (or choke button). Check for fuel flow from fitting.
No Voltage Indicated
Check for open in YELLOW/BLACK wire between
key switch (or choke button) and terminal block.
Fuel Flow from Fitting
Valve is O.K. Check hoses and fittings from valve to carburetors for
leaks or obstructions.
Click
90-817643R1 DECEMBER 1996