PIAGGIO ZIP SP 50CC LIQ COOLED HELP?
IT REV`S OK ON THE STAND, PULLS ON THE FLAT BUT ANY TYPE OF HILL AND IT`S HAD IT, IT JUST WILL NOT PULL YOU,I HAVE REPLACED THE REED VALVE, NEW PISTON AND RINGS, SORRY ONE OTHER THING THE ONLY WAY IT WILL RUN IS WITH THE AIR FILTER RAMMED DOWN THE NECK OF THE FILTER BOX,IF THE FILTER IS PUT IN THE FILTER BOX PROPERLY IT BOGS OUT WHEN YOU TRY TO REV IT,ITS ONLY DONE JUST OVER 2000 MILES 2005 MODEL, ANY HELP WOULD BE HELPFULL, JAMES
JAMES
December 2007