| Key Highlights | X440 | 250 Duke |
|---|---|---|
| Price | ₹ 2.35 Lakh | ₹ 2.12 Lakh |
| Displacement | 440 cc | 249.07 cc |
| Power | 27 bhp @ 6,000 rpm | 30.57 bhp @ 9250 rpm |
| Mileage | 35 kmpl | 31 kmpl |
| Top Speed | 135 km/h | 148 km/h |
| Max Power Highest power the engine/motor can produce. | 27 bhp @ 6,000 rpm | 30.57 bhp @ 9250 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 38 Nm @ 4,000 rpm | 25 Nm @ 7250 rpm |
| Battery Type | N/A | 12 V, 8 AH MF battery |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 9.5:1 | 12.63:1 |
| Cooling System Method used to prevent engine overheating. | Air/Oil Cooled | Liquid cooling with radiator |
| Engine Type Design and working of the two-wheeler's engine. | 440cc Single Cylinder Air-Oil Cooled Engine | Single Cylinder Liquid Cooled, FI Engine |
| Displacement Engine cylinder capacity measured in cc. | 440 | 249.07 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 79 mm | 72 mm |
| Engine Oil | 2 L | N/A |
| Peak Power Highest power a bike/scooter can produce. | N/A | 31 W |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 472 Km | 465 Km |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 88 mm | 61.1 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 2 | 4 |
| Top Speed | 135 Km/h | 148 Km/h |
| Tyre Size | Front : 100/90 - 18, Rear : 140/70 - 17 | N/A |
| Wheel Size | Front : 457.2mm, Rear : 431.8mm | N/A |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubed | Tubeless |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1418 mm | N/A |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | N/A | Yes |
| Front Tyre Pressure Rider | N/A | 29 psi |
| Front Tyre Pressure Rider And Pillion | N/A | 29 psi |
| Rear Tyre Pressure Rider | N/A | 32 psi |
| Rear Tyre Pressure Rider And Pillion | N/A | 32 psi |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | Bosch Dual Channel |
| Fuel Supply | Fuel Injection | Bosch Electronic Fuel Injection |
| Fuel Capacity | 13 L | 15 L |
| Fuel Reserve | 2 L | 3 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Cruiser | Street Bike |
| Frame The main structure holding the bike together. | Trellis Frame | Split-Trellis Frame |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 170 mm | 176 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 190 Kg | 162.8 Kg |
| Length | 2168 mm | N/A |
| Saddle Height Distance from the ground to the seat. | N/A | 800820 mm |
| Seat Height Distance from the ground to the seat. | 805 mm | 800 mm |
| Bluetooth Connectivity Wireless connection for calls, music, and navigation. | Yes | N/A |
| Usb Charging Port A USB slot to charge devices like phones. | Yes | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | Digital | 5" LCD display |
| Fuel Gauge Indicates the current fuel level in the tank. | Yes | Digital |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | Yes | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | N/A | Yes |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | N/A | Assist And Slipper Clutch |
| Head Light | LED | Full Split LED Headlamp |
| Battery Capacity Total energy the battery can store. | N/A | 2 V, 8 AH |
| Suspension Front | KYB Upside-down Forks 43mm | WP APEX USD forks, 43mm diameter |
| Suspension Rear | Twinshock Absorbers, 7 Step Preload adjustable | WP APEX Monoshock, 10-step preload adjustable |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
| Additional Features | N/A | Quickshifter+, Ride-by-wire |
| Music Control A feature that lets you play, pause, or change music via the two-wheeler's console or connected device. | Via Bluetooth | N/A |