I just got my new, used '02 Buell Blast P3 and it needs a new shift shaft installed. Now bear with me as I do not have photos with me right now. This thing is stripped on the end like theirs no tomorrow. I tried jerry-rigging it and it just doesn't work. I want to replace it but that's where this issue in the title underlies.

I do not know how to remove the shifter shaft. There is a main chain assembly in my way. I will include a diagram to show what I'm talking about. If anybody knows how to help me I will be very excited to ride my first motorcycle ever.

Also, another issue I have is that I cannot find a replacement shifter shaft assembly. EBAY didn't have anything and I don't know where else to look.

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^ Although this picture is not a Blast, it works for the clarification needed! ^