Went to my local honda 4stroke specialist this evening to pick up some parts I ordered. I didn't even expect this to still be available, but it was, an original S90 exhaust flange:
The exhaustpipe will be homemade, same as the muffler that will be looking like the original megaphone, but will have some dampening as we are only allowed to produce 105db.
Also ordered some real racing parts:
Offcourse it is possible to drill a hole in a standard drain bolt, but these are worth it, if only for the funny label on the back saying that it is not legal to use this racing part on a roadbike.
More news later, as I ran into Ralph from http://chalopy.blogspot.com/ who had some nice parts leftover that will come in real handy for my RSC project.