BMW R 12 nine T vs Harley Davidson Sportster S

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.

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.

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.

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.

(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).

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

The main structure holding the bike together.

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

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.

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

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.

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.

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.

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

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

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

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).

Total energy the battery can store.

Time for quick battery charging.

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.

Alerts if someone tries to steal or tamper with the bike.

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

A companion app to monitor bike stats, location, and settings.

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

Alerts you if the bike moves beyond a set location boundary.

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