when the engine was hot it would shake vigorously especially take off on an incline. like i said before though, if you walk the area you can’t help but start to think why we cannot find a way to make it happen now. take it as a snack without any fear. need to know some facts or figures? the firecracker 50 mountain bike race will lead off the parade & it will take 800+ riders ½ hour to get down main street in waves. it almost feels like trying to use a mac! 