| Key Highlights | 390 Duke | SRK 400 |
|---|---|---|
| Price | ₹ 2.99 Lakh | ₹ 3.93 Lakh |
| Displacement | 398.63 cc | 400 cc |
| Power | 45.37 bhp @ 8500 rpm | 40.9 Bhp @ 9000rpm |
| Mileage | 30 kmpl | 20.6 kmpl |
| Top Speed | 167 km/h | 145 km/h |
| Max Power Highest power the engine/motor can produce. | 45.37 bhp @ 8500 rpm | 40.9 Bhp @ 9000rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm @ 6500 rpm | 37 Nm @ 7500rpm |
| Battery Type | 12 V, 8 AH MF battery | Maintenance Free |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12.71:1 | 11.8:1 |
| Cooling System Method used to prevent engine overheating. | Liquid cooling with radiator | Liquid Cooled |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | BS6 |
| Engine Type Design and working of the two-wheeler's engine. | Single Cylinder Liquid Cooled, DOHC, FI Engine | Inline Twin Cylinder, Inline Twin Cylinder, Liquid Cooled/4stroke/8valves, DOHC/4stroke/8valves, DOHC |
| Displacement Engine cylinder capacity measured in cc. | 398.63 | 400 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 89 mm | 70 mm |
| Charging At Charging Station | N/A | N/A |
| Charging At Home | N/A | N/A |
| Charging Station Locater | N/A | N/A |
| Launch Control System for fast, controlled acceleration. | Yes | N/A |
| No Of Cylinders | 1 | 2 |
| Peak Power Highest power a bike/scooter can produce. | 43 W | N/A |
| Quick Shifter A feature that allows gear shifting without clutch. | Yes | N/A |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 450 Km | N/A |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 64 mm | 51 mm |
| Top Speed | 167 Km/h | 145 Km/h |
| Tyre Size | Front : 110/70-17, Rear : 150/60-17 | Front : 110/70 - 17, Rear : 140/70 - 17 |
| Wheel Size | Front : 431.8 mm, Rear : 431.8 mm | Front : 17 inch, Rear : 17 inch |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1354 mm | N/A |
| Tubless | Yes | N/A |
| Rear Brake | Disc with Floating calliper | Single Disc |
| Front Brake | Disc with Radially mounted calliper | Dual Disc |
| Braking Type | Dual Channel ABS | N/A |
| Front Brake Diameter | 320 mm | 260 mm |
| Fuel Supply | Bosch Electronic Fuel Injection | 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). | Naked Bike | Street Bike |
| Frame The main structure holding the bike together. | Split-Trellis Frame | N/A |
| Dry Weight Bike’s weight without fuel and fluids. | 163 Kg | N/A |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 183 mm | 150 mm |
| Height | N/A | 1085 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 168.3 Kg | 186 Kg |
| Length | N/A | 2080 mm |
| Passenger Backrest A support accessory for the passenger’s back. | N/A | N/A |
| Saddle Height Distance from the ground to the seat. | 800 mm | N/A |
| Seat Height Distance from the ground to the seat. | 800 mm | 785 mm |
| Width | N/A | 820 mm |
| Charging Point A port to charge devices or the two-wheeler's battery. | Yes | N/A |
| Mobile Connectivity A feature to connect your phone to the two-wheeler's system. | Yes | N/A |
| 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 |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | Street & Rain | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | 5" TFT dash display | N/A |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Digital |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | N/A | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| Service Due Indicator Reminds when the next bike servicing or maintenance is needed. | Yes | N/A |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Assist And Slipper Clutch | Wet Multiplate |
| Head Light | Full Split LED Headlamp | LED |
| Battery Capacity Total energy the battery can store. | 12 V, 8 AH | N/A |
| Suspension Front | 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter | Telescopic upside-down |
| Suspension Rear | Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable | Monoshock Side Aligned |
| Seat Type The design of the seat that affects comfort and seating position. | Split | N/A |
| Additional Features | Ride modes - Street & Rain, Motorcycle Traction Control (MTC), Track Screen, Ride-by-wire, Quickshifter+ | TFT Console |
| Anti Theft Alarm Alerts if someone tries to steal or tamper with the bike. | Yes | N/A |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |
| Mobile Application A companion app to monitor bike stats, location, and settings. | Yes | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | Yes | N/A |
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