I had a complete and unexpected power loss at 70mph in 6th gear had been riding about 20 minutes 95 degrees no thootle response in any gear bike did not stall coasted coasted to stop and power returned had about 1|4 tank fresh gas and was about 1|2 qt low on oil topped both off and made it home ok bike is 08 roadking 20k miles only modification is slip on SE touring pipes Any ideas? Should I trust it?

 

search for limp mode in the search window in this website. Sounds like you had a common failure

 

"common failure"?