On Fri, 25 Apr 2014 08:11:50 -0700 (PDT), Tim wrote:

2 is all it needs!

Hell, *one* is all it really needs. My wife and I rode from near Munich to Stuttgart on one cylinder
when a coil went out. Took the plug out and made it home. The bike sounded like a 'Ma Deuce' going
down the road, but it got us there!