Hello - I just came across this link to another site with some info on the Pampera you might find interesting! It is from a dealer's site who has been riding his Pampera in trials and cross country events.
http://www.motomerlin.co.uk/
http://ds.dial.pipex.com/merlinbooks/mypamp.html
http://www.motomerlin.co.uk/
http://ds.dial.pipex.com/merlinbooks/mypamp.html