Motorcycles should be washed with a bucket and sponge.
Fairdinkum that dude and the assembled entourage probably do not know what is missing.
On the reverse of the coin some time ago a collective assembled a machine that consumed fuel at seven inches to the gallon and be proud of that.
https://www.youtube.com/watch?v=VChvRbQgPsw
Bob still gets my # 1 Vote.