suzuki 12 string_0011_30 Published February 22, 2016 at 900 × 600 in Structural repairs for a 1971 Suzuki 12-String. ← Previous Next → The fretboard also needed some attention too with most of the frets showing very heavy wear and not enough life left to do a re-levelling. The playing surface also had a slight warp to it so a re-fret was definitely in order!