Vespa S 150 vs Yamaha Fascino 125 Fi Hybrid 2025

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.

Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM.

A tyre without an inner tube, reducing puncture risks and maintaining air longer.

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.

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

Bike’s weight with fuel and fluids.

Distance from the ground to the seat.

Wireless connection for calls, music, and navigation.

The method to start the bike (e.g., electric start, kick start, or both).

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

The entire system that transfers engine power to the wheels (includes clutch and gearbox).

Total energy the battery can store.