I have 2003 40 hp Johnson won't idle so I cleaned the carburetors now it will idle for just a second and die I can choke it and get it to start back but no idle any ideal what might be wrong I put new plugs in it new gas fuel filter checked the compression I have 90 on both cylinders
I have a 90hp mercury on my pontoon any when you throttle up it takes off then the rpms go up but the boat doesn't get any faster it sounds like the prop comes out of water but it doesnt. Does anyone have any ideas on what may be the problem
I have a 1979 35 horsepower Johnson ran perfect and took to the lake one day and just all of a sudden it's like you turn the key off .i took it home and check the fireing and thought it had a bad coil so i got 2 new ones.i check the flywheel key I rebuilt the carburetor to fuel pump and I still...