In order of appearance.
1965 Honda C110, red
1967 Honda CL90, black
1966 Triumph T120, white
1986 H-D 883 XL, black
1978 H-D XLCR, very black
1982 BMW R65LS, orange, but BMW called it red
1982 BMW R100CS, black
They're all gone except the last one. The most reliable was probably the 883 XL...