Checking Water Drain Under Engine Oil Tank - Yamaha 25A Owner's Manual

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2) Adjust the throttle stop-screw to set
NOTE:
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Correct idling-speed adjustment is only
204023
possible if the engine is fully warmed-up.
If not warmed up fully, the speed setting
will tend to be too high. If you have diffi-
culty obtaining the specified idle, consult
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a Yamaha dealer or other qualified
mechanic.
1 Throttle stop-screw
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EMK58010
CHECKING WATER DRAIN UNDER
ENGINE OIL TANK
A translucent water drain hose is connect-
ed from the bottom of the oil tank to the
filler neck. If water or foreign matter col-
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lects in this hose, immediately remove
the hose at the filler neck and drain the
contaminants.
1 Hose
2 Filler neck side
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the idling speed to specification (see
"SPECIFICATIONS") by turning the
stop-screw clockwise to increase the
idling speed, and turning it counter-
clockwise to decrease the idling
speed.
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