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4. Connect the tachometer and set the idle
to the specified idling speed by turning the
idle adjust screws. Turn the adjusting
screws in direction a to increase the
engine speed, and in direction b to
decrease the engine speed.
Specified idle speed:
1,450–1,550 r/min
b
1. Idle speed adjust screw (×2)
1
b
a
a
cC
8 Idle speed adjust screws were preset
at the factory. When adjusting idle
speed, turn the right and left idle speed
adjust screws the same amount, or
carburetor synchronization will be
incorrect.
8 The pilot air screws and idle speed
adjust screws are separate adjust-
ments but they must be adjusted at the
same time to achieve optimum engine
performance.
8-27
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