Hello all just wondering what you mechanics think of this. had a problem with starting a 5hp briggs, clean carb and all that, still could not get it started. A friend took off the spark plug and sprayed starting fluid in the spark plug hole then put the plug back in and tried to start on the 3rd pull the piston froze. Locked up the engine. My questions are has this ever happened to anyone? Did putting the starting fluid in the cylinder cause the engine to seize up. Just looking for some input on this thanks for all input.