If anything, I'm increasingly convinced with the latest data point that you'd have to be a fool to run a car tire on the FJR in a rally, on a ride, or anything that isn't down a drag strip.
Seems a little whimsical to call that a data point.
Whatever. It seems whimsical to deny it is a data point. But, let's dispel that myth right now.
Here are your data points with sources where known:
Rear Rim Split Running Car Tires on FJRForum:
1
Known FJRForum Riders Running Car Tires on FJRForum:
36
Rear Rim Split While Running Motorcycle Tires on FJRForum: 0
Approximate FJRForum Members Running Motorcycle Tires:
10000
And while not statistically valid, here's a preliminary analysis:
Failure rate for Car Tires and Known Dark Siders: 2.8%
Failure rate for Motorcycle Tires and Presumed MT Users: 0.0%
Here's another one for fun:
Darksiders who deny Doug's split rim is a data point: ~2
MT users who say it's a data point: Just about everybody else.