Definitions for "Idle Speed"
A speed at which the vessel does not produce a wake
This is the speed of the engine with the following conditions: the transmission is in neutral (or park in automatic transmissions), the engine is fully warmed up, the choke butterfly is fully open, and there is no extra accessories in operation (i.e., air conditioner, radio, lights).
The slowest possible speed necessary to maintain steerage, but in no case greater than five miles per hour