Originally Posted by 1200SportsterRider

Good Morning Jim, is that HP carburetor a slide carb like this Webra Dynamix, Thanks, Dave The rod on the right side, (the one with the spring), has a slot in it the holds fuel and as the slide opens, (moving to the right), the fuel in that slot is dumped into the airstream. It's not exactly a pump carb but is called that by most folks. If readable, there is a partial explanation of the Dynamix operation below.