Old Hens have a pretty mild output, but make charming old vintage bikes. ??
3 speed crash box, no front brake, foot clutch and wheelbarrow handlebars.
That one's had the gearbox cut off, which will cause all sorts of headaches..
Unless you put it in an aeroplane = eeeek !
Hush my mouth, but have you considered something like a Sportster or a Buell in a featherbed.
Someone locally here was doing a thriving business turning out 'Sportons', at quite reasonable prices.
(Old sportsters don't go for a great deal).
And they can be tweaked to go ...
Put JAP decals
on the tank, most punters won't know the difference ??