I have the same issue on my K1100.The gear change lever free play is way too big, problems with clean gear change.
So I have two questions to You Brick Owners.
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First is it possible to get to that little sucker screw without removing rear swingarm (removing final drive is a PITA for me)?
Second how to remove gear box without disassembling ABS II - I have enough of bleeding the system.
If you have any remarks or tips regarding such job (sic I was there 2 months ago while spline job) i.e. removing the gear box, opening it, I would be more then glad to read.