| Key Highlights | 250 Duke | Speed 400 |
|---|---|---|
| Price | ₹ 2.12 Lakh | ₹ 2.39 Lakh |
| Displacement | 249.07 cc | 398.15 cc |
| Power | 30.57 bhp @ 9250 rpm | 39.5 bhp (29.4 kW) @ 8,000 rpm |
| Mileage | 31 kmpl | 30 kmpl |
| Top Speed | 148 km/h | 145 km/h |
| Max Power Highest power the engine/motor can produce. | 30.57 bhp @ 9250 rpm | 39.5 bhp (29.4 kW) @ 8,000 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 25 Nm @ 7250 rpm | 37.5 Nm @ 6,500 rpm |
| Battery Type | 12 V, 8 AH MF battery | N/A |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12.63:1 | 12:1 |
| Cooling System Method used to prevent engine overheating. | Liquid cooling with radiator | Liquid-cooled |
| Engine Type Design and working of the two-wheeler's engine. | Single Cylinder Liquid Cooled, FI Engine | Liquid-cooled, 4 valve, DOHC, single-cylinder |
| Displacement Engine cylinder capacity measured in cc. | 249.07 | 398.15 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 72 mm | 89 mm |
| Mileage City Distance a two-wheeler covers per liter/charge in city. | N/A | 30 Km |
| Peak Power Highest power a bike/scooter can produce. | 31 W | N/A |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 465 Km | 390 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. | 61.1 mm | 64 mm |
| Top Speed | 148 Km/h | 145 Km/h |
| Tyre Size | N/A | Front : 110/80 R17, Rear : 150/70 R17 |
| Wheel Size | N/A | Front : 17 x 3 inch, Rear : 17 x 4 inch |
| Wheels Type | Alloy | Cast aluminium alloy 10 Spoke |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | CDI | N/A |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | N/A | 1386 mm |
| Front Tyre Pressure Rider | 29 psi | 26 psi |
| Front Tyre Pressure Rider And Pillion | 29 psi | 26 psi |
| Rear Tyre Pressure Rider | 32 psi | 33 psi |
| Rear Tyre Pressure Rider And Pillion | 32 psi | 33 psi |
| Rear Brake | Disc | fixed disc, floating caliper, ABS |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Bosch Dual Channel | Yes |
| Front Brake | Disc | fixed disc, four-piston radial caliper, ABS |
| Braking Type | N/A | Dual Channel ABS |
| Front Brake Diameter | 320 mm | 300 mm |
| Rear Brake Diameter | 240 mm | 230 mm |
| Fuel Supply | Bosch Electronic Fuel Injection | Bosch electronic fuel injection |
| Fuel Capacity | 15 L | 13 L |
| Fuel Reserve | 3 L | 2 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Street Bike | Street bike |
| Drive Type How power is sent to the wheels (e.g., chain, belt, shaft). | Chain Drive | X-Ring chain |
| Frame The main structure holding the bike together. | Split-Trellis Frame | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 176 mm | N/A |
| Height | N/A | 1084 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 162.8 Kg | 176 Kg |
| Length | N/A | 1377 mm |
| Saddle Height Distance from the ground to the seat. | 800820 mm | N/A |
| Seat Height Distance from the ground to the seat. | 800 mm | 803 mm |
| Width | N/A | 814 mm |
| Mobile Connectivity A feature to connect your phone to the two-wheeler's system. | Yes | N/A |
| Usb Charging Port A USB slot to charge devices like phones. | N/A | Yes |
| Engine Kill Switch A button to instantly turn off the engine for safety and convenience. | Yes | N/A |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | Yes | N/A |
| Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces. | N/A | Yes |
| Display A screen that shows important riding information like speed, fuel, and trip details. | 5" LCD display | LCD |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Yes |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | Digital | Semi-Digital |
| Speedometer Displays the current speed of the bike in km/h or mph. | Digital | Analogue |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | N/A | Yes |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Assist And Slipper Clutch | Wet, multi-plate, slip |
| Head Light | Full Split LED Headlamp | LED |
| Battery Capacity Total energy the battery can store. | 2 V, 8 AH | N/A |
| Suspension Front | WP APEX USD forks, 43mm diameter | 43mm upside down Big Piston forks. 130mm wheel travel |
| Suspension Rear | WP APEX Monoshock, 10-step preload adjustable | Gas monoshock RSU with external reservoir and pre-load adjustment. 120mm wheel travel |
| Seat Type The design of the seat that affects comfort and seating position. | Single | N/A |
| Stepup Seat | N/A | Yes |
| Additional Features | Quickshifter+, Ride-by-wire | N/A |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |