Ryobi RBV254O Original Instructions Manual page 22

OPERATION
5. Pull the starter grip until the engine
attempts to start. Do not pull the starter
grip more than 4 times.
6. Set the choke lever to the "HALF" choke
position.
7. Squeeze the throttle trigger. Pull the
starter grip until the engine attempts to
start. Do not pull the starter grip more
than 6 times.
8. When engine starts, wait for 20 seconds.
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