Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
For example, if you had been idling the motor, in stop and go traffic, and the motor had overheated, it might have switched itself into "parade mode", running on one cylinder. Or even caused severe pinging because it was being lugged.