Deskripsi
Mesin
| Tipe Mesin | Liquid Cooled 4-stroke, SOHC |
| Susunan Silinder | Single Cylinder |
| Tipe Transmisi | V-belt automatic |
| Tipe Kopling | Dry, Centrifugal Automatic |
| Sistem Bahan Bakar | Fuel Injection |
| Kapasitas Oli Mesin | Total = 1.00 L ; Berkala = 0.90 L |
| Sistem Pelumasan | Wet Sump |
| Sistem Starter | Electric starter |
| Torsi Maksimum | 11.3 Nm / 7000 rpm |
| Daya Maksimum | 8.75 kW / 8000 rpm |
| Volume Silinder | 124.7 cc |
| Perbandingan Kompresi | 11.2±0.4 |
| Diameter x Langkah | 52 x 58.7 mm |
Promo Yamaha Lexi LX S 155
