Make sure you save all the parts you take out of your carburetor, just in case one of the parts in the kit doesn't work. Also make sure the base gasket has the hole or slot for the power valve vacuum port.
I also like to put a small chamfer on the needle valve seat. They used to all come that way, but lately its been a square shoulder. The chamfer seems to help keep the valve from hanging up. You can do this by using the old accelerator pump check ball and a punch and hammer, its about the perfect diameter.
Also check the float to make sure it floats in a balanced manner. If it doesn't, replace it. The float in the B is a crummy design and it doesn't work very well if the float doesn't balance because it puts side stresses on the pivot and it hangs up.
I spent a while getting my B to work well and be reliable. It is now, I haven't had to even touch it for over 4 years, but I had to mess with it almost every time I drove it before that because the float would hang up or it would spring a leak or stumble. I replaced the float, messed with the needle valve a bunch, messed with the power valve piston, had to fix a tweaked casting on the power valve holder, and had to fix the choke lever. The only thing that worked perfectly was the accelerator pump.
Last edited by 4ontheFloor; 05/31/2008 8:49 AM.
