I run smoke on my ys91. just about any commercial system (Like the Simple Smoke Pump from TME) will work. I use a windshiels washer replacement pump. FOr the oil, I use a product called Ultrasmoke (Do an RCU search for more info). You need to tap the header pipe as close to the head as reasonably possible to add a pressure tap to let the oil in.
Here is a diagram and a pic.
Video at:
http://204.96.183.34/Skybolt/Videos/