At the suggestion of American buyer Paul Houghton, Ogawa tooled up for his first gasoline-powered engine, the 1.6 cc O.S.

After World War II, Ogawa Seisakusho expanded to produce the MAX line of engines, which won acclaim for their performance and durability.

is now a leading manufacturer of single- and multi-cylinder model aircraft engines ranging from the small .10 LA two-stroke to the FF-320 four-stroke "giant-scale" flat four-cylinder and the FR7-420 Sirius7 7-Cylinder Radial Engine "giant-scale" radial.

also makes required accessories for their engines including glow plugs, exhausts/mufflers and air filters.

has also extended their expertise to model cars, offering many reliable and powerful engines for these vehicles.

Four-strokes include FS26-C-S (0.26 ci displacement, meant to replace 0.12-0.15 two-strokes) and FS40-C-S (0.40 ci displacement, meant to replace 0.21-and-up two-strokes), with an updated FS26-C-S II currently out of production.