| Attribute | Yamaha Jupiter Z1 × | Keeway CS 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2017 | 2015 |
| Make | Yamaha | Keeway |
| Model | Yamaha Jupiter Z1 | Keeway CS 125 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 113.5 | 124.8 |
| Power (kw) | 9.8 | 6.4 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 9.9 | 9.5 |
| Gearbox | 4-speed | 4-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Ignition | TCI (Transistor Control Ignition) | CDI |
| Clutch | Wet, Sentritugal, Multipat | - |
| Lubrication system | Wet | - |
| Compression | 9.3:1 | 9.2:1 |
| Chassis | ||
| Front suspension | Telescopic | Telescopic Forks |
| Rear suspension | Swing Arm Double Suspension | Single damper |
| Front brakes | Single disc. Hydraulic. | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Underbone | - |
| Front tyre | 70/90-M17 | 2.50-17 |
| Rear tyre | 80/90-M17 | 2.75-17 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
|
|
| Electrical Voltage (V) | 27 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,240 | 1,225 |
| Dry weight (kg) | 102 | 98 |
| Power/weight ratio | 0.0961 | 0.0653 |
| Overall height (mm) | 1,065 | 1,100 |
| Overall length (mm) | 1,935 | 1,880 |
| Overall width (mm) | 680 | 700 |
| Seat height (mm) | 765 | 770 |
| Performance | ||
| Fuel capacity (l) | 4.1 | 7 |