Hello!
Finally I have found and have made mine K1100 clutch housing balanced. The job was done by workshop with proper machines and experience, the cost was around E 20.
Results can be seen below.
[Blockierte Grafik: https://lh3.googleusercontent.com/_x23a0mqH3hU/TcrtPn2aMLI/AAAAAAAACjw/vL2XmDOpLRQ/s128/_DSC1770.JPG]
[Blockierte Grafik: https://lh4.googleusercontent.com/_x23a0mqH3hU/TcrtRs8jRiI/AAAAAAAACj0/KO-m5s5UfeI/s128/_DSC1771.JPG]
[Blockierte Grafik: https://lh5.googleusercontent.com/_x23a0mqH3hU/TcrtT82jBTI/AAAAAAAACj4/yH2IVVM0BqY/s128/_DSC1773.JPG]
Best regards