Problem is it is not just a case of dropping in the modified cam, there is the washers under the cam, the idle adjuster screw fitted in the diaphragm cap and now I am also removing the kill switch and fitting a 6mm stud in there to prevent the lifter from going off the top of the cam into the original start position. This always causes cable problems. I then fit an external push button kill switch. This then removes all potential problems these carbs can throw at you. I think the most simple way of doing it is to send a complete modified carb, but you still have to pull it apart to fit the cable. I also would have to test run it on a motor to ensure everything including the float needle works properly. Quite a messy operation, but gives a lot of satisfaction when they work as they should have in the first place.
