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I have a 200 HP 1987 Johnson on a 30' pontoon with hard deck on top.
I am getting awfull mileage. WOT running at 22 MPH per my gps. I use about 9 gal. in about 30 minutes and this is after I back off of and am cruising at 20 MPH.
It has good compression on cyls. I have to choke it when ideling...
I have an 86 Evinrude 115 on my 29' pontoon. Motor starts and runs great with the exception of one little problem. As I am motoring along it produces a hard bump feeling almost as if I hit a log in the water. It does this if I am going slow or fast. Sometimes will happen every 2 or 3 minutes...
I recently bought a 1986 30' pontoon boat with a 1986 Evinrude 115. Motor starts and runs great however I do have a problem.
At start to 10 MPH or so propulson is fine. When I throttle up either fast or slow past the 10 or 12 MPH area the motor speeds up but I don't gain any speed. I hear...
