run the boat out in water wide open top end 5000 rpm,and about 42 mph,good,on the way back start run under 1800 rpm,if i try to go over 1800 rpm,engine will make strange sound,like wang or wong sound,and all that happen after oil buzz go off,after i bring it back in,and run it,on land it will run well again,and buzz sound gone,i pre mix my oil and gas,anyway i can take oil sensor out so it wont buzz again,any tips,thanks.
