Service manual

3-3
INSP
ADJ
E
PERIODIC SERVICE
D31600-1
CARBURETOR
1. Check the fuel passages and air pas-
sages for fouling or clogging. Clean
fouled parts with suitable cleaning sol-
vent and blow out clogged passages
with compressed air.
WARNING
Protect your eyes with suitable safety
glasses or safety goggles when using com-
pressed air.
2. Check the needle-valve for wear and
replace it if worn.
D31902-1*
CARBURETOR LINK ADJUSTMENT
(50, 60, 70 hp)
1. Loosen the idle adjust screw and fully
close the throttle valve.
2. Loosen the throttle lever securing
screws of upper and middle carburetors
by turning clockwise.
3. While lightly pushing the throttle lever
of the lower carburetor in the direction
of the arrow (full-closed), tighten the
throttle lever securing screw of the
upper middle carburetors by turning
counterclockwise.
1 Idle adjust screw
2 Throttle lever
3 Throttle lever securing screw