| Key Highlights | 390 Adventure X | Bullet 650 |
|---|---|---|
| Price | ₹ 3.43 Lakh | ₹ 3.65 Lakh |
| Displacement | 398.63 CC | 647.95 CC |
| Power | 46 bhp @ 8500 rpm | 34.6 kW @ 7250 rpm |
| Mileage | 30 KMPL | 20.2 KMPL |
| Max Power Highest power the engine/motor can produce. | 46 bhp @ 8500 rpm | 34.6 kW @ 7250 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm @ 6500 rpm | 52.3 Nm @ 5650 rpm |
| Battery Type | Maintenance Free | 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. | 12.71:1 | 9.5 : 1 |
| Cooling System Method used to prevent engine overheating. | Liquid Cooled | Oil 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. | N/A | Inline twin cylinder, 4 stroke, SOHC |
| Displacement Engine cylinder capacity measured in cc. | 398.63 | 647.95 |
| 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 | 78 mm |
| No Of Cylinders | 1 | 2 |
| 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 | 67.8 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 4 | N/A |
| Tyre Size | Front: 100/90 x 19 Rear: 130/80x17 | Front: 100/90- R19/ Rear: 140/70- R18 |
| Wheel Size | Front : 19 inch, Rear : 17 inch | Front : 120 mm, Rear : 190 mm |
| Wheels Type | Alloy | Spoke |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubeless | Tubeless |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1470 mm | 1480 mm |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Yes | Dual Channel |
| Braking Type | N/A | Dual Channel ABS |
| Rear Brake Diameter | 240 mm | 300 mm |
| Fuel Supply | N/A | Fuel Injection |
| Fuel Type | Petrol | Petrol |
| Fuel Capacity | 14.5 L | 14.8 L |
| Drive Type How power is sent to the wheels (e.g., chain, belt, shaft). | N/A | Chain Drive |
| Frame The main structure holding the bike together. | Split-Trellis Frame | N/A |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 228 mm | 154 mm |
| Height | 825 mm | 1155 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 181 Kg | 243 Kg |
| Length | N/A | 2260 mm |
| Seat Height Distance from the ground to the seat. | N/A | 800 mm |
| Width | N/A | 830 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. | Off-Road and Street | N/A |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Self Start | Electric start |
| Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces. | N/A | Yes |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | TFT | Semi-Digital |
| Speedometer Displays the current speed of the bike in km/h or mph. | Digital | Analogue |
| Techometer | Digital | N/A |
| Clock | N/A | Yes |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | Yes | N/A |
| Transmission The entire system that transfers engine power to the wheels (includes clutch and gearbox). | Manual | Constant Mesh |
| Drls | Yes | N/A |
| Turn Signal Lamp Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction. | LED | Halogen Bulb |
| Battery Capacity Total energy the battery can store. | 12 V, 8 AH | 12V, 12 Ah |
| Suspension Front | WP APEX USD forks, 43 mm diameter, 200mm travel | Telescopic Fork 43mm |
| Suspension Rear | WP APEX Monoshock, 205mm wheel travel Adjustable for Preload (10 steps) | Twin Shock |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | N/A | N/A |
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