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Ah, might not all be bad. Check what headset was in there as JIS and ISO are different - one is 30.0mm and the other 30.2mm [I think]. It's not the end of the world if it's shimmed, the head tube on my Russian bike is 30.4 and I have a Stronglight headset with a 0.1mm shim all the way round. Once it's pressed in it's fine.
Jonny69
@Po
More fun and games. Headset is out but the cups had been shimmed to make them fit. Head tube wall is extremely thin.
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