Bửng| Maker | HONDA | Engine Type | Air-cooled/4-stroke/OHC/2 Valve/Single Cylinder |
| Model name | ST90 | Engine Starting Method | – |
| Type · Grade | – | Maximum Output (ps) | 6ps(4.0 kw)/8000rpm |
| Engine Operation | 4 stroke | Maximum Torque (kgf/m) | 0.62kg・m(6.1N・m)/3500rpm |
| Model | ST90 | Vehicle Weight (Dry Weight) | 85 kg |
| Displacement | 89 cc | Vehicle Weight (Curb Weight) | – |
| Release year | 1972 | Length(mm)・Height(mm)・Width(mm) | – x – x – |
| Fuel Efficiency by Catalog | – | Seat Height | – |
| Fuel Tank Capacity | – | Front Tire Indication | – |
| Fuel Supply | Carburetor | for Rear Tire Indication | – |