I'm just finishing a book by Brock Yates on the Cannonball races, and in '79 Loyal Trusdale and Keith Patchet ran it two up on a R90S. I won't do a spoiler in case any one wants to read up on it.
It's eight and a half gallons of gas; and an engine. What more do you need?-- BMW R80G/S
Save lives. Legalize lane sharing.
Cow eyes don't glow.