ok i got my saVAGE X 4.6 ABOUT 3 MONTHS AGO MY SETTINGS ARE REALLY GOOD NOT LEAN AT ALL BEEN RUNNING GREAT I PUT A 3 SPEED ON IT UUUUUUUUUM DID GOOD WHEELIES BUT NOW OUT OF NO WHERE IT DOESNT WANT TO UM MY SPUR IS THE SAME, UUUUUUUUUMMMM CANT THINK OF ANYTHING ONLY THING IS THAT I CHANGED PLUG MAYBE DIRT GOT IN AND DID SOMETHING I CLEANED IT BEFORE I TOOK OFF...... ALSO PUT A LITTLE BIT OF GREASE WERE THE BEARRINGS GO FOR THE 3 SPEED GEARS BUT OTHER THAN THAT I don't KNOW ANY IDEAS GUYS??????