Hears the deal: I BOUGHT AN OUTBOARD FROM A DEALER ON EBAY.. IN THE ADD IT SAID " GOOD COMPRESION,STARTS RIGHT UP"!! WELL WHEN I GOT IT HOOKED UP IT WOULDN'T START! ONLY BACK FIRES! OUT EXUST! DEALER SAYS:"MY MECHANIC SAYS IT RUNS" HE ALSO TOLD ME TO TAKE THE FLY WHEEL OFF, AND REPLACE (SHEER PIN)?? THIS IS A 1979 55HP. EVINRUDE... AM I WRONG?? TO WANT TO SEND IT BACK?? IF I WANTED TO WORK ON A MOTOR I WOULD HAVE PICKED ONE UP THAT NEEDED WORK?? I BOUGHT THIS ONE BECOUSE SELLER STATED"STARTS RIGHT UP!!! BUT IT WON'T!!! OH YEA IT COST $1300.00 W/SHIPPING!! WHAT WOULD BE THE RIGHT THING TO DO??