First, let me say thanks for dropping by, and for the kind comments on the new forum.
How does this look to you?! :D
This motor is basically what you are interested in doing, and shows that it is possible.
All I can say really, is that the benefit of using RS cylinders is really the "WOW!" factor at the local bike meet! There are some technical benefits, such as closer tolerance of the RC Valve components, but on the street it's more of an exercise in "I told you it could be done"!
If you were racing, then you would notice more benefits. Again, the better (more efficient) RC Valve clearances and the rod actuator set-up make setting much more accurate, and the central (vertical) spark plug location is ideal for combustion. The porting is largely irrelevant because the NSR barrels can be ported to match the RS anyway. Of course, these modifications wouldn't be legal in most race classes anyway!
The barrels will need a little machining to make sure they fit the NSR cases, and you will need to measure the crown height of the NSR piston against that of the RS piston, and then machine the heads accordingly. The NSR heads will not be compatible with the RS cylinders.
Don't get me wrong, if I had a set of RS cylinders, I'd too want to get them on my NSR cases, just to say I'd done it, but it's not a simple job. Compression ratios and head volume alone will be a job in itself to get right as don't forget, there won't be any official spec's out there for these figures! It's a very specialist job!
Regards,
Andy.
NSR-WORLD.COM