I HAVE RECENTLY NOTICED THE TRACTOR WOULD NOT START AFTER SITTING UNLESS I "PUMPED" THE CARB MANUALY. EVEN ON A WARM DAY WITH THE CHOKE ON IT WONT START WITHOUT 15-20"PUMPS. I CHANGED THE OIL, AND IT SMELLS LIKE GAS. ONCE I CHANGED THE OIL, AND RE CHECKED THE OIL, IT SMELLS LIKE GAS ALSO. THERE IS ENOUGH GAS IN THE OIL TO RAISE THE OIL LEVEL ON MY DIPSTICK ABOVE FULL. THE OIL ALSO LOOKS NEAR CLEAR ON THE DIPSTICK. IT RUNS OK, BUT SMELLS A LITTLE HOT AND THE OVERFLOW ON THE RADIATOR KEEPS SPITTING ANTIFREEZE.....PS I AM MECHANICLY ILLITERATE, SO PLEASE TAKE IT EASY ON ME!!!