| Attribute | Zontes Monster 125 × | UM Nitrox 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2013 | 2010 |
| Make | Zontes | UM |
| Model | Zontes Monster 125 | UM Nitrox 125 |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 125 | 125 |
| Power (kw) | 8.5 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | - | 56 |
| Stroke (mm) | - | 49.5 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | - | CDI |
| Compression | - | 9.0:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic Fork |
| Rear suspension | Twin Shock | Swingarm with dual spring shock absorbers |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Front tyre | 3.00-18 | 2.75-18 |
| Rear tyre | 110/80-17 | 90/90-18 |
| Wheels | Black rims, three spoke | - |
| Other | ||
| Starter | - | Electric & kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,300 | 1,300 |
| Dry weight (kg) | 115 | 110 |
| Power/weight ratio | 0.0739 | - |
| Overall height (mm) | 1,100 | 1,080 |
| Overall length (mm) | 2,000 | 2,010 |
| Overall width (mm) | 780 | 790 |
| Seat height (mm) | 755 | 786 |
| Performance | ||
| Fuel capacity (l) | 17 | 10.2 |