I poked around for a couple of minutes and found the perfect photos of the stock airbox and rubber intake to the carbs:
quote:Originally posted by kenessex
I will say, once again, my specific experience with a CB350 racebike with stock carbs is: Use the stock rubber velocity stack that comes in the stock air filter and clamp a foam uni-filter over the end of it. With that combination, I had to go 4 sizes larger on the main jet in order to get it to not run lean. I am assuming if I need to add that much extra fuel then I am making some additional HP. When I was first using that combination, I did not have large enough jets with me at the track and in order to race I had to remove the velocity stacks and run stock jets. I significant change. My belief is that the single best part of the stock airbox system on any bike with CV carbs is the transition at the bell mouth of the carb. Some (Emgo) pod filters sre designed so poorly that they actually cover some of the air passages that need to have full flow.