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  1. 9

    Vibration at high throttle - 1977 Evinrude 4hp Weedless

    Hi All, I recently picked up a 1977 Evinrude 4hp with the weedless lower unit for my duck boat. Being a 1977, it has the electronic ignition. The engine starts and runs nicely, but seems to vibrate excessively when the throttle set higher than the start position. If I hold the throttle at its...
  2. 9

    Johnson 6hp Gas Tank Question

    I have a 1987 6hp Johnson for my boat. The previous owner included a fuel tank with the engine, but the tank is a 6 gal steel Cruise-a-day tank. I thought these pressurized Cruise-a-day tanks were only used for the older (1950s?) engines. Should I be running with this tank, or should I get a...
  3. 9

    Johnson 6hp quit....why?

    I got a new (to me) 1987 6hp Johnson to push my 14' aluminum fishing boat around. This morning was its first trip on the lake. The motor started and ran beautifully, so I set out across the water. Got out to the middle (about 10-15 minutes in) and it quit. The engine would re-start, but...
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