Aprilia RS 457 vs Aprilia RS 660

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.

Design and working of the two-wheeler's engine.

The type of motor used in bikes.

Different performance settings in a two-wheeler.

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.

A feature that allows gear shifting without clutch.

The maximum distance an electric two-wheeler can travel on a full charge.

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.

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

(Electronic Brakeforce Distribution) This electronic system uses the engine’s resistance to slow down the bike smoothly, reducing excessive brake usage and improving control.

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

The main structure holding the bike together.

The rating which signifies, how well the bike resists water exposure.

Bike’s weight without fuel and fluids.

Bike’s weight with fuel and fluids.

Distance from the ground to the seat.

A feature to connect your phone to the two-wheeler's system.

Wireless connection for calls, music, and navigation.

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

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

A button to instantly turn off the engine for safety and convenience.

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

Indicates the current fuel level in the tank.

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

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.

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

Energy-efficient, bright rear light.

Total energy the battery can store.

Time for quick battery charging.

Warranty period for the battery.

A feature that lets you play, pause, or change music via the two-wheeler's console or connected device.

A rating which indicates how well the motor is protected against dust and water.

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

A feature in which rider can set a steady speed without using the throttle.