Choke Shutter Closing Adjustment - Mercury 40 Service Manual

Choke Shutter Closing Adjustment

1. Measure gap "a" and refer to the thermal gap graph below, if out of specification adjust.
2. Adjust gap by tightening/loosening the choke valve closing screw (b) to obtain the speci-
fied gap found on the graph.
a -
b -
90-828631R3 MARCH 1999
Gap
Choke Shutter Closing Screw
THERMAL GAP GRAPH
Temp. ( C)
b
a
CARBURETOR
Page 3B-17