i was changing the lower shift cable to the alpha 1 drive on my sons wellcraft 192 american with a 170 merc engine. here we go. pulled off drive, disconnected cable from engine. Now the fun starts. The brass bolt that is attached to the end of the shift cable and is screwed into the bel housing would not budge. i eventually stripped the bolt head. Got out hammer and chissel. Was making slow progress, then i decided to go to the store and buy a reversing tap. Big mistake.Started to thred in the tap but the brass bolt would not budge. I started to take out the tap when it broke. Any suggestions?