Dave Shepard
Square peg, round world.
Thanks for that info sawcollector, you bring a lot of info to the 'House.
Probably the piston stop. Useful when changing the sprocket if you don't have an impact to spin the clutch off.
On a 200 it isn't a big deal .Try spinning the clutch off an 084 some time .
Worst of all ,a large McCulloch .