French Horn Repair ~Keep in mind that these are just examples of repairs. Your repair may be different and, as a result, might cost differently.~ Pull stuck mouthpiece: FREE! Chem Bath ( no stuck slides ): Single Horn- $100, Double Horn- $135 Disassemble Bathe, chem flush, bathe bodyReassemble and lubricate all valves and slides Restring rotor valves as needed Replace valve bumpers as needed Replace waterkey corks Play Test add more $ for stuck valves/slides, soldering, dent work