From what I can tell boat out drive is a Hirobo 280 , 1-max H 40, 1-ENYA 60-III MODEL 7033, 1-Max X OS 35.. I only know what they say on them. These are untested by me and offered that way.
Any questions or better pictures. The item "Vintage RC Model Airplane Engine And Boat Motor Lot of 4" is in sale since Saturday, July 24, 2021. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Engine, Exhaust & Fuel Systems\Gas/Nitro Engines". The seller is "albanyauctiondrop" and is located in Albany, New York. This item can be shipped to United States.