Last week I took my boat out and ran it. The hole shot was slow, but it would eventually get on a plane and once on plane reached full speed. I figured I would change out the spark plugs just to try something. Today when I went to the lake the first time I took off the hole shot was perfect, got on plane as fast as usual. However, after that my boat would not get on plane without the passenger climbing up to the very front of the boat to force the nose down. Once it got on plane it seemed like it would reach full speed.
Any thoughts? I don't take my boat out as much as I want to and I feel like that is part of the problem. Before last week it had been 2-3 months since I took it out.
Thanks