I WOULD LIKE TO KNOW YEAR OF MY MERCURY 4HP SERIAL N° OA838570.<br />ALSO THIS ENGINE, PRESENTS WATER INTO THE GEAR HOUSING (LOWER UNIT GEARS), WITH ONLY 8 OURS OF USE.<br />I HAVE CHECKED AND FOUND PROBLEMS WITH THE GEAR SHAFT SEAL. HOW CAN I REPLACE THIS SEAL? OR SPECIAL SILICONE INSTEAD THIS SEAL? <br />I´VE CHECKED AND I´VE ASKED TO ME IF THIS SEAL WERE MISSING IN PRODUCTION PLANT?<br />AS COUNTERMEASURE, I´VE TO REPLACE THE LOWER UNIT OIL EVERY DAY OF USE ....<br />THANKS FOR YOUR ATTENTION<br />BEST REGARDS<br /><br />CARLOS<br />MERCVEN
