yo but DERBI GPR 2005 is more beautiful than this(i don´t mean this isn´t beautiful) just check out.and GPR model 2004/3/2/1... had 9HP at 9000rpm so the new model will have(i hope) at least 9HP. but i´d really like to know the max. speed of this(not tuned) and of GPR.can u help me?