Royal Enfield Himalayan 450 vs Triumph Speed 400

Refers to the number of intake and exhaust valves present in each cylinder. Most modern petrol bike engines have two or four valves per cylinder.

Enables the rider to disconnect the engine from the transmission temporarily, allowing for gear changes and neutral operation.

Indicates the arrangement of gears that transmit power from the engine to the wheels, allowing the rider to adjust speed and torque.

These measurements describe the diameter (bore) and length (stroke) of the cylinder in the engine. They directly affect an engine's performance characteristics.

These measurements describe the diameter (bore) and length (stroke) of the cylinder in the engine. They directly affect an engine's performance characteristics.

Reflects the ratio of the maximum volume in the cylinder (when the piston is at the bottom) to the minimum volume (when the piston is at the top) during the engine cycle. Higher compression ratios generally lead to more efficient combustion.

Specifies the level of emissions produced by the bike, conforming to regulatory standards. Petrol bikes typically adhere to norms like Euro or BS (Bharat Stage) emissions standards.

Represents the highest rotational force output by the engine, usually measured in Newton-meters (Nm) or pound-feet (lb-ft). It indicates the engine's pulling power.

Describes how the engine is initiated. Most petrol bikes use electric starters, kick starters, or both, to commence engine operation.

Displays the current speed of the bike in kilometers per hour (km/h) or miles per hour (mph), providing crucial information for safe riding.

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Tracks the distance traveled during a specific journey or trip, enabling riders to monitor their mileage for individual rides.

Shows the total distance covered by the bike since its inception, providing a comprehensive record of its usage

This refers to unique features or upgrades specific to a particular model or variant of the petrol bike, which may include enhanced performance components, aesthetic improvements, or technology integrations.

Provides a designated area for the pillion passenger to rest their feet comfortably during rides.

Indicates the distance from the ground to the top surface of the bike's seat, influencing rider comfort and accessibility, especially for shorter or taller individuals.