TECUMSEH 8 TO 18 HP CAST IRON FOUR CYCLE ENGINES This manual covers the following models VH80 VH100 HH80 HH100 HH120 OH120 180 Model numbers are located on the engine shroud Other illustrated Tecumseh 2 Cycle Engine 4 Cycle Engine and Transmission manuals booklets and wall charts are available through Tecumseh For complete listing