I HAVE A 115 MERC. I'VE HAD IT TIMED, CHANGED THE PLUGS,TAKEN OFF THE CARBS AND CLEANED THEM WITH A GOOD CARB CLEANER, STARTED IT UP WITH THE EAR MUFFS ON RUNS GREAT. NOW, I TAKE THE SAME MOTAR AND PUT IT IN THE WATER, PUSH FORWARD ON THE THROTTLE AND SHE DOSEN'T GO FAST SHE SOUNDS LIKE SHE...