Hi Paul, The catalog from Bill Spurlock says that the front rail is .125" and the balance rail is .137". Respectfully, Jon >List Members: >A teacher/client of mine asked me to submit an estimate to regulate/voice >and "repair" the loose keys of her Yamaha WX7 upright. The key problem is >new key bushings. Does anyone know what size the balance rail and front rail >pins are? The piano is about 45 minutes away; I'd like to save a trip. > >Thanks. >Paul C > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives -- Jon Ralinovsky Piano Technician Department of Music Miami University 513/529-6548
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