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    99 Johnson 50HP won't start at idle, but will when throttle opened.

    I have a 50HP johnson 1999. I am having issues getting the motor to start. It won't start at idle, but will when I open the throttle a little. Once started I close the throttle and try to idle, but craps out around 1500rpm and below. I checked the compression on both cylinders. Top...
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    1999 Johnson 50HP Crankcase Pressure

    I am wondering what the crankcase compression should be on this engine. I have searched all over including my Clymer manual and can't find it. My pressure goes from -1psig to +1psig. My engine will run to a certain extent if I mildly pulse my bulb, but eventually sputters to a stop. I...
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