Why can not 2 people back the boat in just far enough to get it on the boards or guides? Then back in the rest of the way ? I can do it alone. With a person in the vehicle and a driver in the boat. Both on cell phones. Done
I finally did that last year. Moved the car battery from the small bow seat under the bow deck. To the transom compartment. BIG mistake when any wind is blowing and I have to dock in my shared dock space. The bottom of the bow is out of the water. Wind and any slight rudder angle causes...
Any boat / motor that is unused for...YEARS.... should be full of animal nests & blockages. No exceptions. Storage place / marinas DO NOT have exterminators killing everything.
Who knows what parts of the water pump impellor blade are broken off ?
I would at least tie the boat to the trailer and back it into the water. At least about a foot above the intake's of the motor. find out if the motor has a ...Overheat .... alarm and how to test it. It might save your...