I have dropped the lower unit on a 402 40HP Mercury Outboard to replace the impeller for my father inlaw. I tried putting the shifter in forward and rotating the shift rod in the lower unit full clockwise and bolted the lower unit up. The shifter would not return to neutral or definatly not...
First time out this year my 165 temperature went to 220 degrees on the guage. I idled back to the ramp to load up with no issues or what seemed like excessive heat. I removed and replaced a defective impeller and thermostat and put the boat back in the water. The boat seemed to have low speed...
