CANT ID MOTOR . CANT FIND SHEER PIN I TOOK OFF THE PROP TO GET A SPARE I DIDNT SEE ONE?<br /><br />SPARK PLUGS CHAMP L77JC4 GAPED AT 42. WHATS GOING ON. HELP ANY OTHER WAY TO ID ALL THE ENGINE PARTS HAVE NUMBERS ON THEM.<br /><br />WHERE IS THE WATER INTAKE ID LIKE TO DRY RUN ON ENGINE STAND?