the plugs that are in my force are bu8h ngk the problem i have is when running for awile at hige speed it dies down and loses power but if you shut it down or clean the lower plug it works great again i have the blue boxes on it <br />can you help me <br />and how much water is susposed to flow out of the outlet?<br />and only the 2 bottom plugs get fowled or at least not as clean as the top 2 <br />what is it?<br />i checked the carbs they are clean.<br />the fuel filter is clean .<br />mixed 50:1<br />starts right up<br />help me please<br /><br />------------------<br />mike