Valve Spring Specification
(Approximate sizes for identification)
9mm - Outside Diameter
39mm - Free Length
For Yamaha Model Numbers
Trumpet - most models (Except YTR-6---, YTR-8---, YTR-9---)
Cornet - YCR-2310, YCR-2330, YCR-2610, YCR-4330, YCR-6320, YCR-6330, YCR-6335, YCR-6610 ,YCR-8335, YCR-8620, YCR-9435
Flugelhorn - YFH-231, YFH-2310
Tenor Horn - YAH-203, YAH-602, YAH-803
