Evinrude 4906B 4HP 1969 Owner's Manual page 118

2- Observe the mark on the choke cover
and a matching mark on the choke base.
These marks must be aligned in the same
position when the choke is assembled to the
carburetor.
3- Remove the three
the choke cover to the base. Lift the cover
from the carburetor
spring on the inside of the cover.
spring releaves pressure
heated hot water from the engine circulates
through the chamber.
4- After the cover has been removed, it
is not necessary to remove the choke base
from the carburetor.
screws securing the choke head, and then
remove the head.
5- Notice the diaphragm.
diaphragm is a spring.
phragm and spring from the choke head.
SPRING
screws securing
and take notice of the
This
on the choke as
Remove the four
Under the
Remove the dia-
6- Remove the small valve and seat lo-
cated under the spring.
Further disassembly of the water choke
valve is not necessary.
assembled without rebuilding the carbure-
tor, proceed directly to Section 4-8. If the
carburetor is to be rebuilt
proceed to Section 1+-7.
WATER CHOKE
If the choke is to be
at this time,
4-27