Yamaha 4SH-28199-67 Owner's Manual page 140

NOTE:
If the engine fails to start, release the start
switch, then push the start switch again.
Pause a few seconds before the next at-
tempt. Each cranking should be as short
as possible to preserve battery energy. Do
not crank the engine more than 10 sec-
onds on each attempt.
If the battery is discharged, pull the recoil
starter to start the engine.
7. If the engine is started with the starter
(choke) in position 1, the starter (choke)
should be returned to position 2 to warm
up the engine. If the engine is started with
the starter (choke) in position 2, keep the
starter (choke) in this position to warm up
the engine.
8. Continue warming up the engine until it
idles smoothly and return the starter
(choke) to position 3 before riding.
CAUTION:
See the "Engine break-in" section prior to op-
erating engine for the first time.
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