I'm expecting cries of "bin it" but it's worth a try.

The output from this generator is low to non-existent. If I plug a 500 watt drill in, it might turn
sometimes, but only between probably 10rpm and 200rpm, it's very erratic - guessing the speeds of
course - then it will stop altogether, and then maybe start up again, slowly.

There doesn't seem to be much that can be done with these other than maybe change the capacitor, but
my electrical knowledge is too lacking in such matters to even know if that could be the problem.

Is it a lost cause?

I originally got this from Freecycle knowing the genny side was faulty, in the hope I could make a
good one out of two - I have another with a duff engine. Turns out they are sufficiently different
that I can't do anything with them, so now I have two non-working genny's