Kevin Grapes has submitted this tip for adjusting the carb on an enclosed engine. Carbs are hard to adjust. Install a copper tube guide to help keep your
tool aligned even when the cowling us in place. Only using a hole the size of
your tool is needed thru the cowling. The guide does the rest.
Click on the center picture to open up a full size slide show of all three pictures.
End view of the tool made from brass tubing. Note the straight slot to engage the slot on the carb needle valve
The brass guide has been fabricated and installed in the engine compartment.
Click on the center picture to open and enlarged slide show of all three pictures
View showing the tool entering through the cowl and engaging the carb adjusting screw.