i personally wouldnt use wd 40 to clean my bike haha, what i found works best is the armor all wipes. they clean, pick up everything, dont leave anything behind and they turn anything fading, like your switches, back to their original color. i use em on paint first then to get bugs off and finally to clean the wheels. theyre the most convenient thing ive found and they work the best. cheap too, they work way better than back to black and pig spit. theyre just a perfect 1 stop shop.
for example, pop your hood. is your air box dull blackish gray, with dust all over it? WIPE... BOOM... dust and dirt is gone, the plastic is black and shiny like it just rolled out of the factory
they also clean the mirrors well if you chase them with a microfiber cloth. they shine up the engine and frame like you wouldnt believe!
and for chrome just use never dull fine grade steel wool, then chase it with a microfiber cloth. if u use harsh steel wool, it will shred your chrome right off. dont ask how i know this. the kind you want almost feels and looks like cotton candy
oh pick up a 20 pack of microfiber cloths the next time youre at walmart/autozone/whatever