| Attribute | Value |
| General |
| Production from | 2017 year |
| Make | Sherco |
| Model | Sherco 125 ST |
| Category | Trial |
| Engine and transmission |
| Engine type | Single cylinder, two-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. Keihin Ø 28 |
| Engine details | Nikasil coated cylinder |
| Displacement | 123.7 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | Add |
| Bore | 54 mm |
| Stroke | 54 mm |
| Gearbox | 5-speed |
| Greenhouse gases | Add |
| Fuel control | Add |
| Emission details | Add |
| Driveline | Add |
| Ignition | Hidria digital |
| Clutch | Hydraulically activated multidisc in oil bath |
| Lubrication system | 2% oil pre-mix |
| Compression | Add |
| Exhaust system | Steel header pipe with an integrated aluminum muffler |
| Chassis |
| Front suspension | Tech Ø 39 mm hydraulic telescopic fork |
| Rear suspension | Progressive link system with single R16V adjustable shock absorber |
| Front brakes | Single disc. Hydraulically activated Formula floating disc |
| Rear brakes | Single disc. Hydraulically activated Formula floating disc |
| Diameter | 145 mm |
| Frame type | Tubular section Chrome-moly |
| Front tyre | 2.50-21 |
| Rear tyre | 2.75-18 |
| Seat | Add |
| Wheels | Morad 21 inch front and 18 inch rear anodized aluminum rim and aluminum hub, steel spokes with Michelin tube-type tire |
| Front wheel travel | 165 mm |
| Rear wheel travel | 175 mm |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Kick |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,322 mm |
| Kerb weight | Add |
| Dry weight | 67 kg |
| Power/weight ratio | Add |
| Overall height | Add |
| Overall length | Add |
| Overall width | Add |
| Seat height | 685 mm |
| Alternate seat height | Add |
| Ground clearance | 310 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 2.4 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |