Originally Posted by NordieBoy
DJ or Mikuni main jet?
Good question, a drilled Mikuni. I have experimented with DJ vs Mikuni and Keihin previously in other bikes and although I'm aware of the supposed differences re approach and departure profiles, they all seem to work pretty much the same for me over the years. All I do is gauge them with my jet drills, and that works for me. I leaned off the main from the supplied DJ jets to my drilled 145 and its leaner, although the 'book' says it should be richer.
A stick of solder and a set of jet drills and you can have most mains to play with.