I hope the following bike will encourage and spark ideas for my project and perhaps others

https://cybermotorcycle.com/gallery/mor ... NP-691.jpg
https://motocrossactionmag.com/bikes-yo ... u-mx-twin/
https://cybermotorcycle.com/marques/mot ... anguro.htm
https://cybermotorcycle.com/gallery/mor ... NP-606.htm
There are a couple of unsatisfactory short videos of the bike running (as it sounds like it needs the carbs tuning):
https://www.youtube.com/watch?v=_-7DY949VqA
https://www.youtube.com/watch?v=Euyr421rC3U