80-85 25HP MERCURY RUNS FINE AT IDLE AND HALF THROTTLE BUT AS SOON AS YOU GO FULL THROTTLE IT STARTS TO SPUTTER.AT FULL THROTTLE I CAN BACK OFF A HAIR AND IT RUNS SMOOTHER. THE MOTOR IS A 2CYL MANUAL START WITH A TILLER HANDLE.I NEED HELP BAD MY OTHER FISHING BUDDYS ARE BEATING ME TO ALL MY GOOD FISHING SPOTS.
