| Key Highlights | X440 | 390 SMC R |
|---|---|---|
| Price | ₹ 2.35 Lakh | ₹ 3.83 Lakh |
| Displacement | 440 cc | 398.7 cc |
| Power | 27 bhp @ 6,000 rpm | 44.25 bhp |
| Mileage | 35 kmpl | 29.41 kmpl |
| Top Speed | 135 km/h | _ |
| Max Power Highest power the engine/motor can produce. | 27 bhp @ 6,000 rpm | 44.25 bhp |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 38 Nm @ 4,000 rpm | 39 |
| 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 | N/A |
| Cooling System Method used to prevent engine overheating. | Air/Oil Cooled | Liquid Cooled |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | BS6 Phase 2B |
| Engine Type Design and working of the two-wheeler's engine. | 440cc Single Cylinder Air-Oil Cooled Engine | N/A |
| Displacement Engine cylinder capacity measured in cc. | 440 | 398.7 |
| 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 | 89 mm |
| Engine Oil | 2 L | N/A |
| No Of Cylinders | 1 | N/A |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 472 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. | 88 mm | 64 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 2 | N/A |
| Top Speed | 135 Km/h | N/A |
| Tyre Size | Front : 100/90 - 18, Rear : 140/70 - 17 | Front : 110/70 - R17, Rear : 150/60 - R17 |
| Wheel Size | Front : 457.2mm, Rear : 431.8mm | 1453 |
| Wheels Type | Alloy | Spoke |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubed | Tubeless |
| 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. | 1418 mm | N/A |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | null |
| Front Brake Diameter | 320 mm | N/A |
| Rear Brake Diameter | 240 mm | N/A |
| Fuel Supply | Fuel Injection | N/A |
| Fuel Type | Petrol | Petrol |
| Fuel Capacity | 13 L | 9 L |
| Fuel Reserve | 2 L | N/A |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Cruiser | Adventure Bike |
| Frame The main structure holding the bike together. | Trellis Frame | Steel Trellis Frame |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 170 mm | 270 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 190 Kg | N/A |
| Length | 2168 mm | N/A |
| Seat Height Distance from the ground to the seat. | 805 mm | 860 mm |
| 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. | No | Street and Sport |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Electric Start | Self Start |
| 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. | Digital | 4.2 inch, TFT display |
| Fuel Gauge Indicates the current fuel level in the tank. | Yes | Digital |
| Average Fuel Economy Indicator Displays the bike’s average fuel consumption over a period of riding. | N/A | Yes |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | 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. | N/A | Assist And Slipper Clutch |
| Led Tail Light Energy-efficient, bright rear light. | Yes | N/A |
| Low Fuel Indicator A warning light when fuel is low. | Yes | N/A |
| Suspension Front | KYB Upside-down Forks 43mm | WP APEX 43 |
| Suspension Rear | Twinshock Absorbers, 7 Step Preload adjustable | WP APEX Split Piston |
| Seat Type The design of the seat that affects comfort and seating position. | Split | N/A |
| 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 |
| Call Sms Alerts Notifies you of incoming calls or messages on the bike’s screen. | N/A | Yes |
| Geo Fencing Alerts you if the bike moves beyond a set location boundary. | N/A | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | N/A | N/A |