Honda HP400 Owner's Manual page 18

5. Pull the starter grip lightly until you feel resistance, then pull briskly.
R GRIP
-1
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Do not allow the starter grip to snap back against the engine.
Return it gently to prevent damage to the starter.
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Do not pull the starter grip while the engine is running, as that may
damage the starter.
6. Allow the engine to warm up for 2 or 3 minutes. Move the throttle lever to
the LO position when the engine is warm enough to idle smoothly.
THROlTLE LEVER
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