Aprilia SR 175 vs Vespa 125

Highest power the engine/motor can produce.

The highest twisting force the engine generates, which affects acceleration and pulling power.

Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability.

Pollution level compliance of the engine.

Engine cylinder capacity measured in cc.

Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed.

Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM.

A tyre without an inner tube, reducing puncture risks and maintaining air longer.

The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort.

(Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety.

The overall design and shape of the bike (e.g., cruiser, sports, scooter).

The main structure holding the bike together.

Bike’s weight with fuel and fluids.

A component which support foots of the passenger.

Distance from the ground to the seat.

A port to charge devices or the two-wheeler's battery.

A USB slot to charge devices like phones.

The method to start the bike (e.g., electric start, kick start, or both).

A switch to flash the high beam, signaling other vehicles while overtaking.

The main dashboard displaying speed, fuel, engine stats, and warnings.

Measures and records the total distance the bike has traveled since new.

Tracks specific trip distances separately from the odometer, useful for measuring short rides.

Reminds when the next bike servicing or maintenance is needed.

The entire system that transfers engine power to the wheels (includes clutch and gearbox).

Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction.

Energy-efficient, bright rear light.

A warning light when fuel is low.

Total energy the battery can store.

The design of the seat that affects comfort and seating position.

Notifies you of incoming calls or messages on the bike’s screen.