What does the tilt-lock release do on an outboard motor?

The tilt-lock release on an outboard motor serves a critical function by allowing the motor to kick up if it encounters an underwater object. This mechanism is designed to protect both the motor and the boat from damage. When the outboard hits an obstacle, the tilt-lock release permits the motor to pivot upward instead of forcing the entire system to absorb the impact, which could lead to costly repairs. This feature is particularly useful in shallow waters or areas where debris may be present, as it helps to prevent the outboard motor from becoming stuck or breaking.

The other options do not accurately describe the function of the tilt-lock release. For example, increasing the speed of the motor, stabilizing it in rough waters, or preventing the motor from starting do not relate to the main purpose of the tilt-lock release, which centers on protecting the motor during abrupt impacts.