First and foremost, using a kicker motor helps you save on gas. Trolling with a kicker offers great gas to time ratio, which helps save on the gas you would have been using with your main outboard. Along with gas, they help prevent putting unwanted hours on your main outboard.
What is the point of a kicker motor?
What is a Kicker Motor Used For? Many times, a kicker motor is used for trolling in a large boat. Most outboard motors simply can't go slow enough for trolling certain kinds of fish, such as walleye. So, anglers will use their main motor to get out to their favorite fishing spot, then use the kicker for trolling lures.
Are kicker motors necessary?
A kicker is not necessary. A big motor as well as an electric trolling motor is not necessary as well. Millions of boats in use every day that have no motors of any kind of them.