HI THERE IM A NEW MEMBER AS I HAVE JUST GOT MYSELF AN MZ 660 MASTIFF ALL IS WELL APART FROM IM HAVING A BIT OF A POWER PROBLEM. IF I SLOWLY ACCELARATE THROUGH THE GEARS ITS FINE BUT IF I GIVE IT A HAND FULL IT POPS AND FART LIKE ITS CUTTING OUT AND KICKING BACK IN AGAIN . THE BIKE HAS BEEN STUD FOR 2 YEARS BUT ITS HAD NEW FUEL SPARK PLUG OIL AND FILLTER CHANGE IF ANYONE CAN HELP ME I WOULD BE VERY HAPPY COZ I WANT 2 GO OUT AND PLAY ON IT
THANX RICH