300/440/550 Carb Settings

Just wondering how everybody tunes the carb/carbs on there machines. I'd like to do it under load in the water but how is this possible? Every time I try a wave either washes over the side or I can't hang on to the skee. I'm trying to sharpen up the bottom end so it takes off better out of the hole. Thanks
 

nikad58

1974 YZ 701
Nose it into a dock ? on the trailer and stand on the ski to hold it down ? (note) becareful it will take off) or just turn it 1/8 turn at a time, put the hood back on and test it over and over.. then when running good check your plugs at high speed for color.. should be light brown
 
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