To add to all the good previous posts,
if you have a series II in your 782, and only a series II (they came with a series 1) you could use some parts from your engine and this Gen engine, to make a good one.
You would have to use your crank, end cover, shrouding, possibly flywheel just off the top of my head, maybe more I forgot.
I'm thinking you don't want that type of project, unless you have experience doing this type of work?
it is definably not a "bolt in" as is
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