[b]Bone:
Jim is right. If you're only changing bearings, then after the back plate is off lift the cylinder about 1/4" and just slide the con rod off the crank, leaving the piston in the cylinder.
I went right to reinstalling the piston, ignoring the statement about tbe bearings.
Bill.
PS: Best source is RC-Bearings,
http://www.rc-bearings.com/ . wr