Thank you for viewing. Used item. The pistons and slides are not stuck, and each part functions well. We have cleaned the inside of the tubes, checked the basic functions, and performed a simple test play, so you can enjoy playing it right away. ■ About YTR-135 (ChatGPT) Manufactured in Japan (Hamamatsu factory, etc.) from the 1970s to the 1980s. An easy-to-play and easy-to-handle entry model with stable intonation and response, typical of Yamaha. ■ Condition No missing parts. There are small scratches and some signs of use. There are no bends in the bell. Please judge the condition from the photos. ■ Maintenance Details ・Cleaning the inside of the tubes with citric acid water → Cleaning the inside of the tubes with baking soda water ・Simple brush cleaning of the inside of the tubes with neutral detergent ・Disassembly of moving parts, cleaning with neutral detergent ・Piston valve operation check ・Piston oil application ・Slide operation check ・Slide grease application ・Water key cork replacement ・Sound check, scale test play confirmation ※However, all of the above are not at a professional level, so if you require strictness, please refrain from purchasing or consider it on the premise of maintenance. ■ Accessories ・Mouthpiece (YAMAHA JAPAN 11) 【Notes】 Due to being a used item, we may not be able to fully grasp the degree of aging, repair history, or whether the parts are original. Please check the images and only purchase if you are satisfied with the condition of the item. #YAMAHA #Yamaha #YTR-135 #YTR135 #Beginner #BrassBand #EntryModel