Miracles always happen. I bought my 660 showing 11.000 km. and looking as new. Always used a lot of engine oil, no smoke, running perfectly. No consumption when all day wide open throttle [like on the beach] and 1 litre every few hundred km when touring around the countryside. Finally at 58.000 km opened the engine, turned out that 1 inlet valve stem seal was the cause of the oil consumption. The valve stem still showed marks of a lathe clamp. The machine shop man told me that the cylinder had been honed before, however there was no oversize piston.
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Fred, XTZ660, Holland.
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Fred, XTZ660, Holland.
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