Re: 88 Force 50HP -KILL SWITCH?
Rather than blindly spending hundreds on parts, why not spend $35 on a Clymer force repair manual, and do the ignition diagnostic tests.
Could be kill switch, cd module, bad coils, trigger, stator, or a broken wire somewhere.
The 1987c thru 1988c models used brown wires on the 2 cd-coil modules for the kill switch.
the 1988d and newer models used a white wire on the single cd module.