My pontoon was the opposite.

Pontoon motor won't go down. Retry if it fails. Leave the engine idling until youre fully docked so you can make any adjustments needed. First squeeze the ball as you watch the fitting between the engine and the line the barb and the hose the barb on either end of the ball and if its visible the fitting between the line and the tank.

Next hook up the ground clamp to any ground that is visible on the engine. Remove nut solenoid and spool valve. In fact it is usually better to buy them after they are already a few years old as youll lose a lot of value through depreciation over the first three years of ownership.

Spark plugs improperly gapped dirty or broken 12. First you need to begin the troubleshooting process. Find out what trimming a motor means and best practices for controlling the throttle and engine trim on a luxury pontoon boat.

Motor on pontoon boat wont go down Mechanics AssistantSometimes boat issues seem like theyll be really complicated but end up being easy to fix. If youve inspected everything and are confident that the engine isnt flooded the sure-fire way to narrow down your troubleshooting is to get a can of starting fluid. Carburetor adjustments too lean not allowing enough fuel to start engine 9.

I trimmed up the motor to cross a sand bar and it wouldnt go back down. Tap lightly on hex nut and spool valve located on face of solenoid. Timing and synchronizing out of adjustment 10.

It was stuck all the way down and wouldnt go up. If you get to the ramp and the motor is halfway up but wont go either way when you press the trim switch you might have a corrosion build-up issue. Compress moving internal portion of valve 14.