It has a liquid-cooled, single-cylinder, four-stroke engine with an output of 11 kW (15 hp).

[2] The motorcycle is equipped with Bosch ABS Type 10 and LED headlights.

For 2021, Suzuki only changed the color palette of the range; it is assumed that, since it meets only the Euro 4 standard, the end of the series may be imminent.

[3] The basis of the fully faired Suzuki GSX-R125 is identical to the GSX-S125 (naked bike), there are only differences in small details such as handlebars or ignition lock.

[4][5] This is also proven by the use of the same type code (HSN: 1699 TSN: AAB) in the KBA database, "GSX-R125, GSX-S125".