Some Japanese executives, after months of demanding the government take action to weaken the yen, are now warning that such weakness could go too far if the currency loses value too fast and for the wrong reasons, or if it leaves the country exposed to soaring fuel costs that would undermine the economy.

they … cautioned that if the economy stays weak, or if the government doesn’t take steps to get its bloated finances under control, investors could lose confidence in Japan and flee, sending the yen into free fall.

Reality is starting to bite; weakening the Yen is not all roses.

Japan Executives Urge Caution on Yen