You will notice an increase in engine RPMs and boat speed even without moving the throttle, as drag is reduced.
To trim your boat with an outboard or sterndrive, use the (typically a rocker button on the throttle handle) to adjust the engine's angle . Proper trimming optimizes the boat's running angle for speed, fuel efficiency, and a smoother ride. 1. Set the Engine for Takeoff How to TRIM your BOAT, with OUTBOARD or STERNDR...
Trim up until the boat reaches its maximum speed for the current throttle setting. If the bow begins to bounce ( porpoising ), you have trimmed up too far. 3. Fine-Tune for Water Conditions You will notice an increase in engine RPMs
Before you accelerate, press the bottom of the trim switch to until the motor reaches its limit. This "negative trim" position tucks the propeller closer to the transom, which helps lift the stern and push the bow down to get the boat on plane faster. 2. Adjust Once on Plane you have trimmed up too far.
Lifting the motor out causes the bow to rise, reducing the amount of hull in contact with the water.
Once the boat is cruising steadily on plane, slowly press the top of the switch to .