yes the engine mount are too small for the motor I have well not the mount it self but the
holes on the firewall...

yes maybe I need to take it to my field and let experts take a look at it..( but Ill try it my self first) Any pictures?

And Im not totally new to the hobby I flew heli for a long time...about 4 years
currently flying
Hanger 9 Twist with magnum 80 4c
katana mini

Thanks for your advice