Thank you for viewing. This is a used item. The pistons and slides are not stuck, and generally, each part functions well. The inside of the tubes has been cleaned, basic operation has been confirmed, and a simple play test has been performed, so you can enjoy playing it right away. ■ About YTR-136 (ChatGPT) An entry-level model manufactured in Japan from the late 1970s to the early 1980s. Designed to be "easy to blow and produce sound" for beginners, it was often used in educational settings. According to multiple reviews and store comments, it is sometimes praised as having "good sound quality" and being a "hidden masterpiece" among Yamaha's entry-level instruments. ■ Condition No missing parts, and each part functions well. Overall, there are signs of use such as scratches, dirt, and dullness, and there is a dent on the main tube. There are areas where the plating has worn off, exposing the base metal. Please make your judgment based on the photos. ■ Maintenance Details ・Cleaning the inside of the tubes with citric acid water ・Simple brush cleaning of the inside of the tubes with neutral detergent ・Disassembly of moving parts and cleaning with neutral detergent ・Piston valve operation check ・Application of oil to the piston parts ・Slide operation check ・Application of slide grease ・Replacement of water key cork ・Sound production and scale play test confirmation ※However, please note that all of the above are not at a professional level, so if you require strictness, please refrain from purchasing or consider it with the assumption of maintenance. ■ Accessories ・Mouthpiece (YAMAHA JAPAN 11C4) ・YAMAHA hard case (with scratches, rust, and dirt) 【Notes】 Due to the nature of used items, 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 product. #YAMAHA #Yamaha #YTR136 #YTR-136 #ytr136 #ytr-136 #Beginner #BrassBand