Vespa SXL 125 vs Yamaha Nmax 155

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.

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.

Maximum weight a two-wheeler can handle.

Distance a two-wheeler covers per liter/charge in city.

Highest power a bike/scooter can produce.

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

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.

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).

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.

Distance from the ground to the seat.

Distance from the ground to the seat.

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.

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).

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

Energy-efficient, bright rear light.

Total energy the battery can store.

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

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.

A hook to hang bags or small items while riding.