Well it seems after waking my 05 TBA up after it's winter nap Something strange has started. It seems when I start her (Cold) NO Throttle full Choke I get 1 loud backfire through the pipes. Once it is warmed up it starts fine. Runs and Idles fine! Any ideas?? Thanks


05 TBA Mulberry/Silver, Thunder Bike pipes, K&N single Filter, 132 main Jet's, Snorkles Removed