Mr. Ron Nossaman: I had 2 similar cases. I changed Kawai´s flanges for similar size Renner wood flanges with excellent result. But other time the costumer does not want to spend very much money in new flanges. Then I use KOC Oil. I like to use KOC Oil for all kind of piano action lubrication. KOC Oil is supplied by Itoshin. here is Itoshin website: www.itoshin.co.jp KOC Oil is also in Yamaha Tool Catalog. So maybe can be purchased by a Yamaha dealer. It is served in aerosol, very easy to acceed to the center pin. The result is excellent. I use KOC Oil for other action lubrication (specially pedal noises or damper spring noise: very fast and good result). But KOC Oil also works well in center pins. The result is for long time. I would try KOC Oil. What is " Styran " ????? Iñaki Coello Gomez. Valladolid. Spain. _________________________________________________________________ Únete al mayor servicio mundial de correo electrónico: http://www.hotmail.com
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