losing power

I'm sure this has been covered before but i'm not finding it in this forum due to lack of details. I'll try to be as clear as possible. I've got around 20 hours of riding out of my newest bike, and i ride almost every day. with a 66/80cc skyhawk gt5 and the new style high preformance...

Hi all you Whizzer guys and girls. I've had my TWO used Whizzers for a couple of years (one in Beverly Hills, FL; the other at my mother's in Western PA.--2000's ??--the newer is probably a 2007 model from the factory). Both have the same problem. First, can you tell me how I know what model...