You do realize this is a post from 2007 don't you?
The guy trying to sell replica rolex watches is just digging up old posts to get more links on the web so he can spoof search engines. Not much policing going on here anymore...
One thing nobody has brought up is the rubber between the carb and cylinder, if this is cracked the motor will suck air and won't run very good. This do have a history of cracking so that's the first place to look after clutch side seal. hotdoo