TOHATSU M40D2 - Warming Up the Engine; Engine Speeds; Free Throttle Lever Operation

ENGINE OPERATION46
7
8. Pull the starter handle slowly until you
feel engagement, keep pulling till you
feel less resistance, then pull it
quickly.
9. Once the outboard motor stated, do
not reinstall recoil starter and top
cowl.
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Be sure to check that cooling water is dis-
charged from the cooling water check port
during 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) :
above 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.
1. Cooling water check port
2. Idle port
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Engine speeds
Idling speed after warming up.
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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
4. Warming up the engine
CAUTION
1
2
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Clutch in (In gear) Clutch off (Out of gear)
750 min
-1
(rpm) 900 min
-1
(rpm)
CAUTION
1
2
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