TOKYO, April 14 (Reuters) - Japan"s core machinery orders unexpectedly fell 8.5% in February from the previous month, posting a second straight month of declines, government data showed on Tuesday. The fall in core orders, a highly volatile data series regarded as an indicator of capital spending in the coming six to nine months, compared with forecast of 2.8% growth in a Reuters poll of economists, the Cabinet Office data showed. On a year-on-year basis, core orders, which exclude those for ships and electric utilities, declined 7.1% in February, versus a 2.3% gain expected by economists. To view the full table, click on the Cabinet Office website: here (Reporting by Tetsushi Kajimoto Editing by Shri Navaratnam)