Data Spesifikasi All New Yamaha Aerox 155 Connected:
| Tipe Mesin | Liquid cooled 4-stroke, SOHC 4 katup + VVA |
| Jumlah Silinder | Single Cylinder |
| Kapasitas Mesin | 155 cc |
| Diameter x Langkah | 58,0 mm x 58,7 mm |
| Perbandingan Kompresi | 11,6:1 |
| Daya Maksimum | 15,1 dk (11,3 kW) @8.000 rpm |
| Torsi Maksimum | 13,9 Nm @6.500rpm |
| Sistem Starter | Electric Starter |
| Sistem Pelumasan | Basah |
| Kapasitas Oli Mesin | Total – 1,00 L ; Berkala 0,90 L |
| Sistem Bahan Bakar | FI (Fuel Injection) |
| Tipe Kopling | Kering, Centrifugal Automatic |
| Tipe Transmisi | V-belt Automatic |
| P x L x T | 1.980 X 700 X 1.150 mm |
| Jarak sumbu roda | 1.350 mm |
| Jarak terendah ke tanah | 143 mm |
| Tinggi tempat duduk | 790 mm |
| Berat isi | 125 kg ABS, 122 kg non ABS |
| Kapasitas tangki bensin | 5,5 L |
| Tipe Rangka | Underbone |
| Suspensi Depan | Teleskopik |
| Suspensi Belakang | Unit Swing |
| Ban Depan | 110/80-14M/C 53P |
| Ban Belakang | 140/70-14M/C 62P |
| Rem Depan | Disc |
| Rem Belakang | Drum |
| Sistem pengapian | TCI |
| Battery | YTZ7V |
| Tipe Busi | NGK CPR8EA-9 |