Quote:
Originally Posted by Bigsauce
I took the lock screw and nut off of the locking collar but it won't move, I'm probably forgetting something obvious. I'll post a picture in a little of it. Also, I took a close look at the piston and noticed among the scratches was a tiny stamp that read "MS 339 3-1" tried looking it up and came back with nothing. I also noticed the crankshaft bearings are stamped Japan. I have to put all the pics on my computer and then I'll post them in a little bit.
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You do know that the lock collar is spun onto the bearing. They both have an eccentric circle on them that locks together. You should spin it opposite of shaft rotation to unlock.
The MS number on the piston is a Kohler number. You won't find it. Pistons are bought in conjunction with a pin and two clips. That assembly has a different part number. You can't buy a piston by itself, but that is the part number for it.
Like George said about the bearings, they may be Koyo. They are good bearings and it's likely they are still good. They seldom need replacing.