Aprilia RSV4 1100 Factory vs Harley Davidson Nightster

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.

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.

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 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.

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

How power is sent to the wheels (e.g., chain, belt, shaft).

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 component which support foots of the passenger.

Distance from the ground to the seat.

Distance from the ground to the seat.

Maximum weight the bike can carry, including riders and luggage.

A USB slot to charge devices like phones.

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

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

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

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

Displays the current speed of the bike in km/h or mph.

Warns when the battery charge is low and may need recharging or replacement.

Alerts when engine oil is low, preventing damage and ensuring smooth performance.

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.

Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam.

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

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.

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

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