intake manifold - carb... Sept 25, 2011 8:41:45 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by kymcotallinn on Sept 25, 2011 8:41:45 GMT -5 Hello,when disconnected carb. from the intake manifold, smoke came up.4 stroke model.Any ideas, why?