Howdy, Skidude.<br /><br />I can't help you with the Martin, but your li'l' Johnny needs a 24:1 mix (1 qt TC-W3 outboard oil to 6 gallons 87 octane unleaded).<br /><br />Good luck.
Ski, Your martin is a 47 probably near the end of that years run.Reccomended fuel ratio is 3/4 pt<br />to a gallon.Martins used a very good poppet valve induction system.