Got my 18" bar, chain, and fleece air filter last night and put them on. I decided to grease the sprocket bearing while I was at it. I installed the piston stop tool in the cylinder and gave the clutch a few forward taps with a hammer and punch. That sucker is on there good, after a few more taps I decided to leave well enough alone. I read that you can grease the bearing by squirting grease through the hole in the center of the crank. I did this, can't really tell if any grease made it in there or not. No grease came out of the drum hub, the bearing did seem a little more lubed though. Are clutches on these saws normally hard to remove? With all my others, a few taps from the punch and it comes off. Should I get an actual tool for it? My Echo tool doesn't fit.