| Key Highlights | X440 | 390 Adventure |
|---|---|---|
| Price | ₹ 2.35 Lakh | ₹ 3.95 Lakh |
| Displacement | 440 cc | 398.63 cc |
| Power | 27 bhp @ 6,000 rpm | 45.3 bhp @ 8500 rpm |
| Mileage | 35 kmpl | 28 kmpl |
| Top Speed | 135 km/h | 155 km/h |
| Max Power Highest power the engine/motor can produce. | 27 bhp @ 6,000 rpm | 45.3 bhp @ 8500 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 38 Nm @ 4,000 rpm | 39 Nm @ 6500 rpm |
| Battery Type | N/A | 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 | 12.88:1 |
| Cooling System Method used to prevent engine overheating. | Air/Oil Cooled | Liquid cooling with radiator |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | BS6 |
| Engine Type Design and working of the two-wheeler's engine. | 440cc Single Cylinder Air-Oil Cooled Engine | Single Cylinder, 4-Valve, DOHC, F.I. Engine |
| Displacement Engine cylinder capacity measured in cc. | 440 | 398.63 |
| 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 |
| 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 | 4 |
| Top Speed | 135 Km/h | 155 Km/h |
| Tyre Size | Front : 100/90 - 18, Rear : 140/70 - 17 | Front : 100/90 - 19, Rear : 130/80 - 17 |
| Wheel Size | Front : 457.2mm, Rear : 431.8mm | Front : 19 inch, Rear : 17 inch |
| Wheels Type | Alloy | Cast Alloy |
| 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 | 1430 mm |
| 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 | 29 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 | N/A |
| Rear Brake Diameter | 240 mm | 230 mm |
| Fuel Supply | Fuel Injection | Bosch Electronic Fuel Injection |
| Fuel Capacity | 13 L | 14.5 L |
| 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 | Split-Trellis Frame (Tubular) |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 170 mm | 237 mm |
| Height | N/A | 1400 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 190 Kg | 182 Kg |
| Length | 2168 mm | 2154 mm |
| Saddle Height Distance from the ground to the seat. | N/A | 855 mm |
| Seat Height Distance from the ground to the seat. | 805 mm | 830 mm |
| Width | N/A | 900 mm |
| Mobile Connectivity A feature to connect your phone to the two-wheeler's system. | Yes | N/A |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | No | Street & Off-road |
| Display A screen that shows important riding information like speed, fuel, and trip details. | Digital | N/A |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | Digital | LCD |
| Techometer | Digital | 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 |
| Projector Headlights Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam. | N/A | Yes |
| Battery Capacity Total energy the battery can store. | N/A | 12 V 8 AH |
| Battery Warranty Warranty period for the battery. | N/A | 2 Years |
| Suspension Front | KYB Upside-down Forks 43mm | WP APEX USD big-piston forks, 43 mm diameter, 170mm travel |
| Suspension Rear | Twinshock Absorbers, 7 Step Preload adjustable | WP APEX Monoshock, 177 mm wheel travel |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
| 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 |
| Mobile Application A companion app to monitor bike stats, location, and settings. | N/A | Yes |