Serowbot wrote on 12/31/15 at 16:19:45:They don't ever burn out... eventually, depending on your locale, they will rust through.
Steel wool,.. can catch fire pretty spectacularly... I wouldn't try it myself.
The other thing I noticed is the older it gets the better it runs in 4th & 5th. Just a bit more free flowing I suppose.
Regarding the steel wool, this is what I heard works pretty good. Is this still an accident waiting to happen?
http://www.procycle.us/bikepages/klr650.html#exhaustBest regards,