BSA Gold Star 650 vs KTM 390 Duke R

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.

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.

The range of a two-wheeler on full charge claimed by company.

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.

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.

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

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 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.

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.

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

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

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

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

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.

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

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.