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FUEL
CARBURETOR
SERVICE POINTS
High and low speed screws adjustment
1. Adjust:
High speed screw
Low speed screw
Adjustment steps:
Screw in the high speed screw 1 or
lower speed screw 2 until it is lightly
seated.
Back out by the specified number of
turns.
High speed screw:
5/8 (#1), 1-1/8 (#2)
turns out
Low speed screw:
5/8 (#1)
Throttle valve synchronization inspection
and adjustment
1. Check:
Throttle valve synchronization
Out of specification
Checking steps:
While turning the throttle lever, check
the opening of all throttle valves.
2. Adjust:
Throttle valve synchronization
Adjustment steps:
Turn out the idle adjust screws 1 until
their tips are apart from the throttle le-
ver 2 .
NOTE:
Record the set position of the idle adjust
screw.
Check that the throttle valve "R" 3 is
fully closed.
Turn the synchronization screw 4 in or
out until the throttle valve "F" 5 is ful-
ly closed.
Turn in the idle adjust screws to the set
position.
17
1/4
1/4 turns out
Adjust.
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