Don't think for a min it don't matter on something as small as a wash, I used to let my dealer wash mine with fair to good results, but after I wrapped my pipes and used DEI high temp Silicone Paint on them to get the desired insulation and performance, I didn't want high pressure wash fuging it up so I specifically asked that they NOT WASH the bike. I got it back and some dick weed had put nuff high pressure to it in one area to wash the wrap white and start it unraveling. I said well **** and took it home and patched it and soaked it in paint till it was close to original but never again did it have that pristine look I took it in with, I should have had them redo it right but didn't want to loos a week or two riding time. After I always made dam sure they didn't wash it. I was pissed, and all over a "little"thing like a wash.