Aftermarket stator and someone stripped 3 mounting bolts amd replaced with metric ones. Also a 93 should have a 40 amp stator , yours shown is a 16amp, if you are running a 40 amp flywheel it will overload the switchboxes and rectifier
You have the bridged port exhaust and these engines are prone when water pumps get weak the bridge expands and scuffs the exhaust side of piston, You will find when you tear it down piston may have a a small oil hole for bridge. The replacement pistons will not. I drill them in piston to oil...
You have to ground the wht/blk wire from pack to disable QS, just unplugging does nothing. Some packs will go into QS with it bypassed but couple of quick blimps of throttle over 1500rpm will kicker out
You will likely have to swap driveshaft as its fine spline. Most of the 60-70hp 3 cylinder where 4 spline. If you swap shafts you will need to reshim pinion
