Ski Doo Motor Diagrams Price To Fix A Jet Ski Question?

Price to fix a jet ski question? - ski doo motor diagrams

I bought a Jet Ski doo XP 97 Mar
a completely new engine, but it is cut, if the trottle text. Just take the keys of n starts a backup running back for a few nt it again.
My friend who works at PWC said it was probably a software problem

Who knows about, how can it be?
Thanks