That is how it is supposed to work
You want a heavy dose, like half a can to a tank of gas. Run it long enough to be sure it is in the carbs then let soak overnight, then ride it like you stole it.
There are 2 screws that come in from the bottom. I have to clean my switch annually.
I think the sensor is spec'ed just fine, some people just can not deal with the needle getting right up to the red.
There is a connector on the panel with the lights, if you were messing with the triple trees it is easy to bump it.