Ok I just recently purchased a 1968 sea ray powered by a 120hp mercruiser. This is my first boat ever. So me and my brother and a buddy went out on it last night for my first time out, it unloaded fine started easily but when you put the neutral warmup lever back down into idle position and go to shift it into forward or reverse it stalls the engine everytime. Also, if I kept the engine reved up a little with the neautral warmup lever I could shift it into forward and go but not reverse. And all It will run on the neutral warmup lever is 2000rpms and i know it should go alot better then that.