It has to be very dark, and maybe it's usually when it is cold out too, but when
first started up and at a fast idle both my LowRider and V-Rod rear pipes glow red
close to the head, if it takes me more than a minute to get backed out and on my way
I've never seen it any other time, I believe there is a richness circuit engaged, like
running with a choke, maybe with ignition retarded too. This is a fact, both bikes
have over 30,000 miles and run great. It's normal and common, and so is people
telling you its wrong, dangerous, or you're imagining it.
Once you establish yourself as an eccentric,
you rarely have to explain your actions.