Triumph Speed T4 vs Yamaha R15S

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.

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 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.

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.

Extra space for carrying items.

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.

A component which support foots of the passenger.

Distance from the ground to the seat.

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.

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

Displays the bike’s average fuel consumption over a period of riding.

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

Displays current fuel consumption per kilometer.

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).

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

Total energy the battery can store.

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

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