I am getting a little worried with a race coming up this weekend. I did a search and read tons of contradicting things on how many miles can be made on a stock tank. I have a 168 main and all the free mods. I still tend to ride the bike a bit like a two-stroke and the race this weekend should consist of lots of wet sand. I ended up breaking all my spokes at the last race (first on this bike) and the odo was at 40 miles. After I got a new wheel on and went to start it, the bike had to be on reserve to start (i had it on reserve from the start of the race). I have to be able to make a 55 mile loop. What do you guys think?