Aprilia RS 457 vs QJ Motor SRC 500

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.

Method used to prevent engine overheating.

Pollution level compliance of the engine.

Design and working of the two-wheeler's 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.

Highest power a bike/scooter can produce.

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

Number of valves in each engine cylinder.

The system that starts the engine, usually via a key, button, or smart start.

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

A tyre with strong sidewalls and better grip, durability, and heat resistance.

(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 without fuel and fluids.

Distance between the bike’s lowest part and the ground.

Bike’s weight with fuel and fluids.

A support accessory for the passenger’s back.

Distance from the ground to the seat.

Wireless connection for calls, music, and navigation.

A USB slot to charge devices like phones.

Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery.

A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces.

A screen that shows important riding information like speed, fuel, and trip details.

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

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

Estimates how far you can ride before the fuel runs out.

Reminds when the next bike servicing or maintenance is needed.

A device that connects and disconnects the engine from the wheels for smooth gear shifts.

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

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

A feature that provides turn-by-turn directions on the two-wheeler display or connected device.