Jawa 42 FJ 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.

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.

A tyre with strong sidewalls and better grip, durability, and heat resistance.

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 component which support foots of the passenger.

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).

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.

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.

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

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

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