BMW R69 Episode: 138
R53? sorry,not R53 but R69
The Morris Major Mk1 is worth a page - our 1st Mk1.
Triumph Thunderbird 1600 Episode: 16
Triumph T110 ??
Honda CA95 Episode: 166
Very difficult to tell exactly what, it's a 60's Honda CA model (high tubular handlebars), could be a 72, 77 or 95, due to the physical size (unless he's a giant) I'd go for CA95.
BMW unknown Episode: 251
Same bike, episode 258: And in episode 278:
Yamaha XS-1F 650 Episode: 306
Not an XS650, an XS 1.
3 versions of the XS-1 produced, gold with indicators on headlamp brackets = XS-1F
Kawasaki H1500 Episode: 384
Scallops in the tank so '69-70 H1-500
Suzuki T350J Rebel Episode: 395
Suzuki T350J Rebel, 1972.
Norton Dominator Model 7 Episode: 401
Norton 500 twin. Looks to be a non-featherbed frame so Dominator Model 7? This article says that a side car could not be fitted to the featherbed frame - https://en.wikipedia.org/wiki/Norton_Dominator
Yamaha RT-3 360 Episode: 422
Colour scheme is Yamaha RT3 - 360, 72-73, we'll put the lack of chrome clock covers down to regional variation?
Kawasaki Z1-A 900 Episode: 485
Z1-A 900 Episode 476:
Honda CB 500/4 K1 Episode: 506
Three bikes used - two look like 500's, not sure on the other...
It's either a 72 K1 or 73 K2, my eyes aren't good enough to tell between Candy Jet Green & Candy Bacchus Olive, can't put a model on the red 500 because of repaint, the 3rd bike is a 72 CB 450 K5