split the case or just replace jug and pistin.

[woodcutter69]

I tore apart my 372xp to find out why it locked up, and found a severly scored piston. rings were froze on 1 side of piston. well any way i got it clear down to split the case. I want to clean it up but didnt know what to use to get the crap out of the crankcase. so should i go ahead and split it or just clean it back up and put it together. oh and what should i use to clean it?

 

[7hpjim]

I flush with kerosene and then oil crank and case bearings with whatever mix oil
that you use

 

[farrell]

i would suggest if the bearings and crank are all good i wouldnt split it! use compressed air and blow it out real good. i have found that clorox wipes work really good for cleaning up saws. oil the crank afterward. replace the jug and or the piston. should be back in business. good luck1

 

[Zombiechopper]

You split the case to do the bearings. That's about the only reason you would want to. So, are the bearings good or not?

 

[motoman.5150]

Starter side bearing made mine lock up, for the money i would split them and put new ones in for a piece of mind, really suck if you put a new p|c on it and tear it up because a bearing went out when you just had it apart , what's $20 for that kind of reassurance ?, just my 2 cents

 

[woodcutter69]

is there a way to tell if the bearings are bad. i assume there good because the piston looked really bad. thats where my problem was coming from.

 

[mdavlee]

If you have any up and down play in the crank there bad. Also spin the crank around by hand and make sure it's smooth all the way around.