Before removing the shifter linkage find some way to mark it so you get it back on correctly.
Many threads here on the problems of shifting only to find the linkage has been replaced incorrectly.
A picture might be the way to go!
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No need to mark it....there is already a punch mark for proper alignment. That punch generally goes in the space between the clamping jaws of the mount. just look if its offset how much, visually one tooth either way will look very different so its cake to get it on the same position if you are looking