On 5/24/2013 8:43 PM, Mark J Bradakis wrote: > So this rough running Midget with the 1275, dual SUs. Put your palm > over mouth > of the front carb, the idle speeds up and smooths out. Put your palm > over the rear > carb, engine stumbles and dies. > > I won't offer who said what about that indication, what do YOU think? Been pondering this...stuck piston?