I was thinking of doing this with a batavus m48 but use a motobeacane pulley so it could disengage the gas motor.
It's awesome will.
We got a tow path that runs from Scranton to bristol.
My work around is a handicapped placard. You get one for your car then goto kinkos and make a sticker with the #.
Now it's a medically needed motorized vehicle. The law allows that on dnr trails.