Throttle Lever; Starter Grip - Honda HP400 Owner's Manual

Throttle lever
The throttle lever controls engine speed. When the throttle lever is moved to
the START (CHOKE) position, it also closes the choke for cold starting. The
choke is open when the throttle lever is in the HI, NORMAL, or LO position.
THROlTLE LEVER
Starter grip
Pull the starter grip to operate the recoil starter.
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Return the starter grip slowly back to the engine to prevent
damage.
STARTER GRIP
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