Kz440 crank pin

When the engine seized up on my 440, the pin at the end of the crank broke off due to me being a dumbass. I have found a few used cranks on ebay for around $50, but also found replacement pins on partzillia for like $1.50.

Is there an easy way to replace the pin or would it be simpler to just put a new crank assembly in?

part 92043 is the one that broke.

www.partzilla.com/parts/search/Kawasaki/...-D3-D4-D5/parts.html

Here is a pic

Take it to a machinist. He will remove it in just a couple minutes and it shouldn't cost much to do. Ed