Good game but I have a problem – Mad Skills Motocross 2 Review

I love this game, I’ve had it for a while now but I’ve been stuck on bike #4, I’ve done everything to get #5 except for the jam races. I’ve done so many jam races day after day but it still says (1/3) and I’m honestly mad about it
Review by croc cop on Mad Skills Motocross 2.