I've just bought a new car so wanted to keep it tip top, found this site;
http://www.performancemotorcare.com/index.html
I just can't believe how many things there are out there to wash a flippin' car!
The bike cleaning section has some interesting bits though.
If this stuff
http://www.performancemotorcare.com/...otorcycle.html
works as well as it claims to, it may be a good bet.