have you checked the rcastle nut holding the rear wheel on? if that come sloose - or off - you'll really wobble..by rick veneski - Vespa Microcar Forum
fred what is your phone #? rickby rick veneski - Vespa Microcar Forum
martin contact terry rueland. my understanding is that he is the reigning keeper of the vespa 400 registry. his email address is somewhere in these posts. rickby rick veneski - Vespa Microcar Forum