The metal tag on the side of my engine clearly says made in Japan. My Mariner 40 horse twin carb long shaft electric start is a 1988 model according to the certificate of title. If our you and had the foot removed to replace the water pump impeller. I would also go ahead and check the gear oil see if it's got water. If it does, do a little research on the various seals and to do this you made to rig up a little air pressure only about 10 to 15 lb and then use the soapie bubbly stuff to see if there's any leaks. And be sure to check where the ships rod goes into the foot because there is a little bellows type rubber seal there. Mine was bad and it was constantly getting water into gear case
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