Hello Ferguson,
No I didn’t remove the air box. I simply removed all the securing bolts and eased it back, flexing on the manifold pipes. The whole fit wasn’t a difficult job to do: just photograph where parts are before you remove them and mark the route of cables that are to be removed with string.
The most unexpected part of the job was the fact that the installation of the front suspension unit requires the suspension telelever to be unbolted from its pivot and moved forward, to accommodate the larger sized remote reservoir fitted to the Wilber’s unit. Not difficult just not anticipated.
Alan R