heres a wee tip for the next time you clean ur bike.
dya know all the matt black plastic parts, like water pipes, hoses, instrument surounds, indicators, and mirrors(just the plastic mind, not the shiny bit ya see ya mush in).
well dya know how they fade, turn white with left over polish and generaly cant be buffed up like other shiny parts.
wipe them with a cloth dipped in a bit engine oil(or any for that matter, but new obviously!)
ive done it for years. give it a try next time you clean ya pride, it comes up a treat!
:p