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INSP
ADJ
PERIODIC SERVICE
D31800-9
FUEL ENRICHMENT VALVE
ADJUSTMENT
1. Fully close the choke valve, adjust the
length of the pulling wire hook 1 so
that the marks on the plunger 2 and
fuel enrichment valve end 3 are
aligned.
2. Hook the pulling wire hook 1 to the
choke lever pin 4, and hold it with the
O-ring 5.
CARBURETOR LINK ADJUSTMENT
1. Loosen the idle adjust screw 1 and
fully close the throttle valve.
2. Loosen the throttle lever securing
screws 2 of upper and lower carbure-
tors by turning clockwise.
3. While lightly pushing the throttle lever
3 of the middle carburetor in the direc-
tion of the arrow (full-closed), tighten
the throttle lever securing screws of the
upper and lower carburetors by turning
counterclockwise.
D33302-0*
IGNITION TIMING ADJUSTMENT
1. Install a dial-gauge in the spark-plug
hole of No. 1 cylinder.
NOTE:
For easy timing-plate adjustment, it is
advisable to remove the spark plugs from
all the cylinders.
3-13
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