Yamaha G0141093 Euphonium/Tuba Valve Guide

Placement : on the piston.

Function : to correctly fit the piston to the instrument sleeve.

Models used: BB-100S, YBB-103(2), YBB-103S(2), YBB-104, YBB-104S, YBB-105, YBB-105M, YBB-105MS, YBB-105S, BB-110S, YBB-201(2), YBB-201M, YBB-201MS, YBB-201S(2), YBB-202M, YBB-202MS, YBB-321(2), YBB-321S(2), YBB-621, YBB-621S, YBB-631, YBB-631S, YBB-632, YBB-632S, YCB-621, YCB-621S, YCB-822, YCB-822S, YEB all series 2, 3, 6, YFB series 6 and 8, EP-100S, EP-100SA, YEP-201(2), YEP-201M, YEP-201MS, YEP-201S(2), YEP-211(2), YEP-211S(2), YEP-321(2), YEP-321S(2), YEP-621(2), YEP-621S(2), YEP-641(2), YEP-641S(2), YEP-642, YEP-642(NEO), YEP-642S, YEP-642S(NEO), YEP-642T, YEP-642TS, YEP all 8 series.