Small Honda twin. CL160?
Yes, it's the right shade of blue 1967 MY.
If the handlebars are tubular chrome then CA77, if they're body coloured pressed metal - C77, who's got good eyesight?
K model engine in a bike that looks like a sportser
Going by what I read here - https://en.wikipedia.org/wiki/Harley-Davidson_Sportster - I think the best is to call it a Model K.
Panhead engine. Harley Davidson Panhead custom chopper.
1959 Oldsmobile in the background.
80cc, YG1, I can find red, blue & yellow but not gold.