BMW R100 Episode: 1.03
Ou R 80... Avec un réservoir accessoire
Yamaha XV920 Virago Episode: 2.03
Yamaha Virago, XV920 - 1000?
Honda XL600 Episode: 2.18
XL600V Transalp, don't know what year.
Episode aired February 1988, so likely filmed in '87 - aka the year the XL600 was released. Introduced October 86 in Japan and February 87 in the West, so enough time for buying one: http://www.motorcyclespecs.co.za/Gallery/Honda%20XL600V%2087%20%202.jpg
Honda VT500C Shadow Episode: 3.07
1983 VT 500C (Shadow). http://www.2040-motos.com/_content/cars/images/29/92229/001.jpg