Smoke and Low Compression

[facepants]

Finally got the head and cylinders off, cleaned the pistons.

The rings look good on both sides from what I can tell.  I'm not really sure what I should be looking for to determine if they are bad, but the rings on both sides (bad side and good side) look pretty much identical, I removed them to take a better look.

The pistons look pretty much identical too... a little bit of scratches on both sides of the pistons.

Assuming the rings are good, I'm guessing that it either means my pistons are worn down, or the cylinder is worn and the bore is now too big to create a proper seal, which would mean that I'd need to buy oversize pistons.  Is that correct?

I'm going to a shop today to get my cylinders honed and measured and get the pistons measured.  Is there anything I'm missing?  Or can ring damage be subtle enough that it cant be detected by the naked eye?

Also, I think I remember reading a post on here that said suzuki doesn't sell oversize pistons anymore, is that true?  If it turns out to be that the diameter of the cylinder is too big, and oversize pistons aren't available, what options am I left with?

Thanks

[Jughead]

Is it possible to Post some Pictures? Cylinder Bores,Piston Sides with Rings Installed and Piston tops.Possibly A picture of the Combustion Chambers? If the Cylinders are only Slightly Scratched there Shouldn't have been any Problem with Blow by.Sounds like the rings were Either Stuck or Worn out.Or the Cylinder Bore was Out of Round.IF the cylinder bore is still within Spec you may be able to just Hone and Rering with Standard Rings.

[facepants]

It's at the shop right now, otherwise I would.  They're going to measure everything for me and let me know if it's still within spec.

He said the bore and the pistons look good... so I think you may be right about a stuck ring.  Wont really know for sure until I get the measurements back.

[Egaeus]

Yeah, it's most likely the rings not making a good seal with the cylinder wall.  Most likely, it's not the pistons.  They aren't what actually does the sealing.