My 2000 90 HP 4-Stroke runs rough at 1000 - 2100 rpm (rpm bouncing around 50 units or so), smooth and strong above 2100 rpm. Told by dealer (after $ 350 carb rebuild) that this motor is notorious for varnish build up in idle and/or mid-range jets that leads to lean popping and you can hear...
My 2000 90 HP 4-Stroke runs rough at 1000 - 2100 rpm (rpm bouncing around 50 units or so), smooth and strong above 2100 rpm. Told by dealer (after $ 350 carb rebuild) that this motor is notorious for varnish build up in idle and/or mid-range jets that leads to lean popping and you can hear...
My 2000 90 HP 4-Stroke runs real rough at 1000 - 2100 rpm (rpm bouncing around 50 units or so), smooth and strong above 2100 rpm. Told by dealer (after $ 350 carb rebuild) that this motor is notorious for varnish build up in idle and/or mid-range jets that leads to lean popping and you can...
