YOUR MACHINE COULD PROBABLY DO WITH A FULL SERVICE! CHUCK SOME FRESH OIL IN DRAIN ALL OLD PETROL OUT CLEAN ANY DIRT FROM CARB WITH CARB CLEANER OR COMPRESSED AIR MAKING SURE YOU HAVE A SPARK YOU SHOULD BE GOOD TO GO-IF STILL NO GO VALVES WILL NEED LAPING IN HOPE THIS HELPS.
MIKE GILLESPIE, July 2007