does any one know what is the fastest you can go in first gear on a stock yamaha blaster. I want to know because i'm trying to get one and i was going to put a hitch on it and use it to pull a very small trailer around. the most weight i would be hauling is 100 pounds. I would be crossing about 1 or 2 ditches and going up about 2 or 3 50 ft hills that are about average steepness. The ditches are not deep at all there is only one ditch that could be hard and it is only about 6 inches deep. I know i can put a slower sproket on but i want to know if i needed to.