Donald Trump's election win has given Bank of Japan Governor Haruhiko Kuroda room to breathe by easing concerns that the yen will strengthen, a former BOJ executive says.

The BOJ can remain on hold unless the yen strengthens past 100 against the dollar, a possibility that is "pretty much gone" following Trump's victory, Hideo Hayakawa said in an interview Thursday.

"An early spring has come to the BOJ," he said.