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Message: <blockquote data-quote="6brnorma" data-source="post: 97270" data-attributes="member: 5914"><p>This is not a complicated mechanism. The theory is simple…..the actuating nut is threaded and when the lever is moved forward (or reverse) it applies pressure to one clutch and releases pressure on the other. The reason it functions smoothly without the clutch is that there is no resistance from the outside castle nut. The tolerances from the actuating nut to the side wall of the machine are fairly tight…….if they are not adjusted properly (or worn and need to be re-adjusted)……..the actuating nut that is having pressure RELEASED will bind against the side wall of the machine causing it to stick. The vast majority of "sticking lever" issues are resolved with proper adjustment. The other options are bad thrust bearings and races (which you stated were good) or possibly the four bearings inside the two pressure plates in each clutch assembly being worn or not located properly. I doubt the latter however, as that generally results in uneven wear of the clutch linings, not binding. Pictures would help. A 'tear down' in my view is unavoidable. Inspect each part for fractures as you tear down as a broken part could certainly result in binding also. Without seeing the machine…….this is the best I can do.</p></blockquote><p></p>