Jawa 42 Bobber vs QJ Motor SRC 500

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.

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.

Number of valves in each engine cylinder.

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.

The overall design and shape of the bike (e.g., cruiser, sports, scooter).

The main structure holding the bike together.

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.

Maximum weight the bike can carry, including riders and luggage.

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

A USB slot to charge devices like phones.

Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery.

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.

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

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

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.

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

Total energy the battery can store.