the black cover is what joe meant by 'coweling' remove that too , 2 bolts/nuts on the head .2 small bolts on each side then you will see it . be carefull of the vaccum hose , it might break the SMALL connection on the carb ! be sure to remove it 1st from the gov' fitting on the coweling . just above the carb , a round looking jigger with a small hose from it to the carb'