Yamaha Grizzly 450 2010 Owner's Manual page 60

Position (3):
Cold engine start with ambient temperature
above 25 °C (80 °F).
Ambient temp./starter (choke) position
6
1. Fully open
2. Half open
3. Closed
4. Starter (choke)
5. Apply the rear brake lever.
6. Completely close the throttle lever and start
the engine by pushing the start switch.
TIP
If the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as short
as possible to preserve battery energy. Do not
crank the engine more than 10 seconds on each
attempt.
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, then return the starter (choke) to
position (3) before riding.
TIP
The engine is warm when it responds quickly to the
throttle with the starter (choke) turned off.
ECB00163
NOTICE
For maximum engine life, never accelerate
hard when the engine is cold!
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