... To keep the above trolling motor operating without damaging the batteries, a battery pack rated at 240 Ah should be used. This keeps deep cycling at about 50%. Ideally, you should select a battery pack for this scenario that is rated at 20 amps for 10 hours. This would cover you in case the motor is used at greater than 50% power for an extended period. Shaft length must be correct to ensure optimum control. If the shaft is too short, the prop will not stay in the water during rough conditions. A shaft that’s too long will cause problems in shallow water due to prop strikes and also will kick up material from the bottom. Keep your trolling motor clean and dry when it is not being used. Never leave it outside on a boat that’s not covered. Be sure to disconnect the batteries. If the trolling motor has been heavily used, have it checked and cleaned of excess carbon dust. This dust will wreck motor brushes. ... A trolling motor is used to slowly and quietly hold position, troll along weed beds, or slow the drift against wind and currents. They come in bow and transom mount. There are several things to consider when shopping for a trolling motor. Do you want bow or stern mount? Generally speaking, a boat is easier to pull than push through the water. It is also easier to move the bow than the stern due to the difference in size and weight ...