instead of buying the dave brown mount and purchase the hayes mount
http://www3.towerhobbies.com/cgi-bin...?&I=LXK797&P=0 you can run the nose gear wire through the mount.
I had a tower kaos with a magnum46 with the included motor mount all i did was blue locktited the screws; you dont need to change the motormount with the 2 stroke engines. I flew the Kaos for 4 years before I gave it to a 9 year old who after learning to fly could fly better than me.