have an M8540 w/550 hrs. have had to adj the hyd shuttle linkage recently. i realize cable tension changes over time & necessitates adjustment. but performance after adj. still concerns me...rather than go into details, has anyone with the Mxx40 series adjusted their hyd shuttle? maybe give me your adj details and results. i can explain more with your input. i'm very familiar w/manual gear transmissions & clutch use, never riding clutch,etc....... thx in advance....