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Hi, I haven't been on here for ages and my interest in this kind of thing has been rekindled by finding my old gx140 in pieces in the shed. I need to get a new exhaust valve guide and gudgeon pin circlips for it, but I can't find anywhere in the UK that sells them for gx140's, just the 160. So...

I just measured the bore of my GX140 and the wear really isn't as bad as I thought, so thankfully I don't need to get oversize piston and rings (can't find them anywhere). I'll just buy a new set of standard rings, but the cross hatching on the cylinder has gone and I was wondering what you lot...

I've been given a gx140 and I was wondering if anyone knows where I can find a diagram of it and the dimensions of the cylinder. I have the head off and the cylinder has lost all its cross hatching so I need to re-hone it but I don't know if I should fit an oversize piston or not so I would...

Hi there, I'm Henry, from South West England. I recently was given a gx140 and am planning what to do with it so I thought this site looked like a good place to get some more info on it and some ideas. Looks like I'll learn a lot here.