Here is an HB .61 R/C glow engine in good overall condition with smooth quiet bearings and good compression. This engine shows Moderate usage. This engine HAS NOT been cleaned for appearance points. The engine has been oiled lightly.  Fuel / exhaust staining is present and consistent with moderate usage. Nice engine complete with exhaust. Engine should run well and give many hours of trouble free service. Buy with confidence over 40 years experience with Glow engines. Thank you for looking! Please see my other listings for many more great hobby items and deals!  Nitro Guys!