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    1978 Mercury 80 hp leaking fuel at engine inlet screen

    When I squeeze the fuel bulb, gas shoots out around the screen cover. This has been happening since I bought the boat 7 years ago, but is worse now. I replaced the o-ring gasket previously and again to no effect. I'm wondering if a regular o-ring is the problem? Does it need a thick o-ring? I...
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    Johnson TD 20 Parts

    I am trying to locate these parts for my Johnson Seahorse TD 20 5hp : - upper brass washer with concave base for the primer plunger sleeve - vented gas cap - shear pin There are three different serial numbers. The power head is 69707 ( there is no 6th digit ). The cowling and mounting pivot have...
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    Johnson TD 20 Serial Number

    I have a Johnson TD 20. The serial number on the powerhead is 69707. The numbers listed for the 1946 through 1949 TD outboards all have six digits. The recoil cover has TD 300493 J inside. I am curious as to the discrepancy. I have had this motor for over 30 years. It hasn't been started for 30...
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