there is a link on the splatshop website for setting the float height correctly on the keihin carb , check it out .
check jetting , im on the west coast of scotland and runnin 125 main , 48 pilot , needle 2nd clip from bottom , air screw 3/4 turn out from fully in.
keep the air filter oiled , make sure the seal around the top of the airbox cover is clean ect ect ....
carb cleaning is a major part of maintenance mate unfortunatly