ENGINE OPERATION
41
7
6. Check the cooling water from cooling
water check port.
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Be sure to check that cooling water is com-
ing out of the cooling water check port dur-
ing warm up.
Warm the engine at low engine speeds
for about
3 minutes : above 5°C (41°F)
5 minutes at 2000 min
-1
(rpm) : blow 5°C
(41°F)
This allows the lubricating oil to circulate
to all parts of the engine. Operating the
engine without warm up shortens the
engine's life.
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Engine speeds
Idling speed after warming up.
Remark: In case of cold engine starting,
idling speed is increased about 400 min
-1
(rpm) for several minutes.
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Free throttle lever (Side mount RC
type)
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z
Keep the free throttle lever fully closed-
position when start the engine.
z
The free throttle lever is inoperative
unless the
control lever is in neutral.
z
Also, the control lever is inoperative
unless the free throttle lever is returned
to the fully-closed position.
The free throttle lever is for warm-up
operation. (Not required for engine start-
ing) With the control lever in neutral,
move the free throttle lever upward to
open the throttle.
1.
Fully-open
2.
Fully-closed
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Neutral throttle button (Top
mount RC type)
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The control lever does not operate unless
the neutral lock arm is pulled.
The neutral throttle button is for warm-
up operation. (Not required for engine
starting) When the control lever is in
3. Warming up the engine
CAUTION
Clutch in (In gear)
Clutch off (Out of gear)
700 min
-1
(rpm)
700 min
-1
(rpm)
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CAUTION
CAUTION
1
2
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