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    fuel tank pressure

    I have a 5 gallon plastic tank for a 25hp Johnson and after running for about 15 min. the bulb will deflate. The vent on the tank is open and when I tank the fuel line off and press the inlet in, the bulb will reinflate. When I try to pump the bulb it stays deflated until I press in on the...
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    1977 25hp Johnson timing

    I have an electric start 1977 25hp Johnson that I need to know how to set the timing on. The manual says to set it to 34 degrees from TDC, but I can't figure it out. With the top cylinder at TDC, the key on the shaft does not line up at 34 degrees on the flywheel. The key does have to be in...
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