TRAJ,
Hate to break it to you but the "stock" Max engines still has modifications to the crank and the bore intake...there is a noticeable difference with the Max and the Novarossi NS series.
John
P.S. Take a look at the crank...does it look stock TRAJ? And this motor can be had for $325US.
http://www.rcmaxpower.com/en/products/motori.asp?id=79