Just bought 05 Vegas and too much snow to ride it. Only 4k on it. Sat at dealer for quite awhile. Changed oil and filter first. Quite dirty for 4k miles. Have started it several times and let it run for five minutes at a time. I use the fast idle and it smokes quite a bit till it is idled back. Is this normal? It would also pop quite a bit. Cleaned the plugs. They were black but not oily. Is this normal for a Vegas? I suspect it needs a tune up. Runs better and doesn't pop near as much the more I run it. Sure would love to get it on the road. Any comments are greatly appreciated.