The tiny pins keep the early model shifter pawl plungers from rotating.
219((2) 1952-1971
The Iron Sportster trap door assembly holds the mainshaft, countershaft, and shifter mechanism. The Iron Sportster shifter comes as the 34009-52 assembly.
219(2)
1952-1971
These are two tiny pins pressed into teh back of the shifter carrier. they go where the dimples are on this pawl carrier. The divots are where a worker has ground down the pins after pressing them in.