I have an Aisan SD-40 that I am attempting to rebuild. While going through the parts diagram, I noticed that my carb has an additional breather/port that I can not find on any other SD-40.
Here is a picture of the part in question.
The diagram specifies this part as a float...
I am looking for a replacement SD-40 carburetor large glass window and carb kit (1965 build date)
I am having a difficult time finding an in stock carb kit. If you know of a link, Please let me know.