I HAVE A 91 MARINER 150 MAG II, SER. OC237685, THE MAGNETS ALL COME LOOSE AND IM TRYING TO FIND THE RIGHT FLYWHEEL FROM THE SALVAGE YARDS. FIRST ONE THEY SENT WAS A 92 MODEL. IT WAS WRONG TOTALLY. MUSTA BEEN EFI. SO I SENT MINE BACK WITH IT AND THEY SENT ME ONE THAT WILL BOLT ON OK, BUT THE...