Mesin dan Performa dari Honda Supra X 125 FI yaitu:
| Varian | Honda Supra X 125 FI CW Luxury | Honda Supra X 125 FI Spoke FI |
| Konfigurasi Katup | SOHC | SOHC |
| Kecepatan maksimum | 118 kmph | 118 kmph |
| Rasio Kompresi | 9.3:1 | 9.3:1 |
| Busi per silinder | ||
| Launch Control | N | N |
| RPM torsi maksimum | 4000 rpm | 4000 rpm |
| Jumlah silinder | 1 | 1 |
| Sistem pelumasan | ||
| RPM Tenaga Maksimum | 8000 rpm | 8000 rpm |
| Konsumsi Bahan Bakar | ||
| Sistem Pendinginan | ||
| Sistem pembakaran | Full Transisterized | Full Transisterized |
| Katup Per Silinder | 2 | 2 |
| Torsi Maksimal | 9.3 Nm | 9.3 Nm |
| Diameter x langkah | 52.4 mm x 57.9 mm | 52.4 mm x 57.9 mm |
| Jumlah langkah | 4-Stroke | 4-Stroke |
| Jenis Kopling | Wet, Multi-Plate | Wet, Multi-Plate |
| Pipa Knalpot | Single Exhuast | Single Exhuast |
| Tipe filter udara | ||
| Kontrol Emisi |
