XLH gear selection issues

[Suzook12]

Hi Guys, I have an ironhead XLH 75, the first year left foot shift model with the 10 mile long pedal......
It was struggling to find 2nd gear and beyond while running/riding, could just get all the gears carefully moving pedal by hand. Having made sure all the linkages were tight, went on to inspect the shaft..... This is what I found......
https://youtu.be/y1NBH3flPHw

[Suzook12]