I dont workout to race but the thing that helps the best is to make an indurance workout. It will help the most compaired to burte strength. The best machine exersize is squats, that seems to work all your leg mussles that you would work while racing. Also I am not sure of the exersize but it helps greatly with arm pump, You can get a stick and tie a string in the middle to a 15lbs weight and twist the stick to get string to wrap around thus bringing the weight up, It is very very hard to do but if you do it enought your innerarms will just about be harder than a brick. On your stamania exersize if you have a membership to a gym go ahead and do all the exersizes that you would use in the race, My advice would be to load 75% of what you maxed out on each machine and then to do that exersize for 5 minutes. After about 3 monts you will be able to tell a huge difference. To give you an example I went from being able to squat 345 to being able to do 425. It really, really helps if you keep at it, And dont forget to run at your local track, run about 1 lap warmup and then run the straits and then jog turns, Hope this helps you get in shape for your Racing
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Irish MXer
Mike McCasland
00'CR250 #59