On a 206, if you loosen the cyclic friction and then turn the knob as far off as you can, so that it is very tight, it will increase the friction. It's designed that way. You need to loosen it so that it's almost against the stop, but not quite. The cyclic should then have no feel at all, and will fall against the stops if you let it. If that doesn't happen, then the rigging is wrong. I've seen them where the minimum friction was set too high, and the cyclic was hard to move even with no friction. After discussion with the mechanic, who insisted it was within limits, he reset it to the minimum limits and it was acceptable. Having a cyclic that is hard to move with no friction, properly adjusted, is not acceptable.