Nice bike. I don't believe bolting right up is going to happen. I would look at some of the frame suppliers for sporties to see where the mounts are located when using an XB motor. Who makes the swingarm you are using?
Spoiled but definitely not rotten. Started life as a black 1993, 1200 Now-1218, Home ported 2009 FI heads, SE 551 cams, Aerocharger variable vane turbo. Dyna2Ki, JMC aluminum swingarm, Chainsikle custom mid forward controls, GBC inverted front end, 3 degree wide-glide trees and 5 degree raked cups. 18x5.5 fatspoke rear with 150/60 and 21x3.5 with 120/70.
Last edited by rottenralph; 29th March 2010 at 00:48..
My message was a little disjointed. I meant frame suppliers because I know some of the buell frames take XB engines. I would use a five speed lower end and mate a 1250 to it with XB style heads(1200 after 04). Nrhs Performance sells the 1250 kit and they have a dyno room that will make it evident that a 100+ engine is possible to put in your frame. I am not sure if a rubber mount engine will go right in.
The 2002 and earlier engines will fit with no major issue. The XB engines have totally different mounting points. It can be done with severely modifying the frame, but the 2002 and earlier engines have 4 bolt holes in the rear where it mounts to the frame. The XB engines do not have this, as they have a swingarm pivot mount in place of the holes.
The Sportster intake manifold will fit.
Your limits are self-imposed by what you let your mind believe