Operation
57
6. After the engine starts, slowly return the
manual starter handle to its original posi-
tion before releasing it.
7. Warm up the engine. For further informa-
tion, see page 57.
8. Return the choke knob to its original posi-
tion gradually.
9. Slowly return the throttle grip to the fully
closed position.
EMU36510
Checks after starting engine
EMU36523
Cooling water
Check for a steady flow of water from the cool-
ing water pilot hole. A continuous flow of water
from the pilot hole indicates that the water
pump is pumping water through the cooling
water passages. If the cooling water passag-
es are frozen, it may take a while for water to
start flowing out of the pilot hole.
ECM01810
If water is not flowing out of the pilot hole
at all times while the engine is running,
overheating and serious damage could
occur. Stop the engine and check whether
the cooling water inlet on the lower case or
the cooling water pilot hole is blocked.
Consult your Yamaha dealer if the prob-
lem cannot be located and corrected.
F2.5
F4, F6
EMU27670
Warming up engine
EMU40070
Warming up
After starting the engine, return the choke
knob to the halfway position. For approxi-
mately the first 5 minutes after starting, warm
up the engine by operating at one fifth throttle
1. Cooling water pilot hole
1. Cooling water pilot hole
U6BV37E0.book Page 57 Wednesday, May 1, 2013 8:56 AM
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