I cleaned the carbs on a 2000 gtx with the 951. Now when I start it it will idle good for a few seconds then revs like crazy to about 3/4 throttle. I didn't change any settings on the carbs. What could it be?
You are sucking air, more than likely around the base of the carbs. Your carb base gasket is not sealing. Remove the carbs and check it...use RTV sealer if you have to just to get it to seal.