Yes, you can get more in by holding the nozzle out a little. I have heard of problems occuring when overfilling (CEL) but I have had mine VERY full (to the brim) and have never had a problem.
My XT fuel gauge seems to be the opposite. When it reads one quarter, there's actually more like a third of a tank remaining (judging by how much fuel I can put into it when it reads one quarter). Very non-linear. It takes quite a long time to drop from the F mark, and the first indicated quarter is used up quite slowly. The second indicated quarter goes much quicker. The third indicated quarter more slowly, and then I've still got a third of a tank left.bbottomley said:I've never found a gas gauge that's accurate. The last quarter tank always seems to go faster than the previous three. It's as if the markings on the gauge are linear but the cross-section of the tank gets smaller as the float gets toward the bottom--possibly to clear the axle.