Yep this mower is a HONDA Model: UM-T12 imported from Japan (new price, Japan 123,000 Yen.) Mini Mower
2-stroke gasoline engine, code GTV60, mix ratio 50:1, size 2.4 PS (PS = about 0.9863 of one horsepower) driven by 1 forward gear, 1 reverse gear. Cutting circle size, blade width about 30 cm., 1 cutting blade ,about a 12 inch cut.
Also have seen a few 2 stroke Honda line trimmers UMT28 .