| Engine and transmission |
| Engine Type |
|
1 Cylinders, 2-stroke, Single |
vs |
31.9% Scooters have 1 cylinders 2-stroke Single
|
|
|
|
| Gear box |
|
Manual |
vs |
30.7% Scooters have Manual
|
|
|
|
| Displacement |
|
124 cc (7.58 cubic inches)
|
vs |
|
|
31.74 cc lower than average. Engine displacement is the volume inside the cylinders of an engine. The larger the engine displacement is, the more powerful the scooter usually is. |
|
| Power |
|
|
vs |
|
|
1.2 HP higher than average. The power of the scooter is measured in HP or KW. The more power the scooter has the faster it can travel. |
|
| Power-to-weight ratio |
|
0.08 KW/lbs (12.55 lbs/HP)
|
vs |
|
|
0.01 KW/lbs higher than average. A calculation of horsepower divided by weight. The higher the ratio the more power there is per lb, which means a faster scooter. |
|
| Throttle |
|
Cable Operated |
|
|
|
|
|
| Engine mounting |
|
Transverse |
vs |
90.6% Scooters have Transverse
|
|
Most scooter engines are transverse mounted. |
|
| Sparks per cylinder |
|
1 |
|
|
|
|
|
| Clutch |
|
Wet, Multiple Discs, Cable Operated |
vs |
3.9% Scooters have Wet multiple discs cable operated
|
|
|
|
| Starter |
|
Electric |
|
|
|
Electric starters have a push button, or use a key turn to get the engine started. |
|
| Cooling system |
|
Water Cooled |
vs |
45.9% Scooters have Water cooled
|
|
|
|
| Bore × stroke |
|
2 inch × 1.91 inch (oversquare - shortstroke) |
|
|
|
|
|
| Fuel supply system |
|
Carburetor |
vs |
61.2% Scooters have Carburetor
|
|
|
|
| Final drive |
|
Chain |
vs |
8.3% Scooters have Chain
|
|
|
|
| Ignition Type |
|
Digital Cdi |
|
|
|
|
|
| Valve train |
|
Reed Valve, Variable |
vs |
9.1% Scooters have Reed valve variable
|
|
|
|
| Spark plug pipe type |
|
NGK, CR8EB |
|
|
|
|
|
| Motor oil |
|
Synthetic, 5w/40 |
|
|
|
|
|
| Fuel capacity |
|
|
vs |
|
|
0.24 gals higher than average. |
|
Aprilia Sportcity 125 2011