| Key Highlights | 390 Adventure S | Bonneville T40 |
|---|---|---|
| Price | ₹ 4.05 Lakh | ₹ 2.55 Lakh |
| Displacement | 398.63 CC | 349 CC |
| Power | 45.3 bhp @ 8500 rpm | 28.6 bhp @ 7000 rpm 21.33 kW |
| Mileage | 30 KMPL | _ |
| Max Power Highest power the engine/motor can produce. | 45.3 bhp @ 8500 rpm | 28.6 bhp @ 7000 rpm 21.33 kW |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm @ 6500 rpm | 31 Nm @ 5500 rpm |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | N/A | 12.1:1 |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | BS6 Phase 2B |
| Displacement Engine cylinder capacity measured in cc. | 398.63 | 349 |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 384.2 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 | 56.1 mm |
| Tyre Size | N/A | Front - 100/90 - 18, Rear - 150/70 - 17 |
| Wheel Size | N/A | Front - 18 inch, Rear - 17 inch |
| Wheels Type | Spoke | Spoke |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | N/A | Tubed |
| 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 | 1418 mm |
| Front Tyre Pressure Rider | N/A | 26 psi |
| Front Tyre Pressure Rider And Pillion | N/A | 26 psi |
| Rear Tyre Pressure Rider | N/A | 33 psi |
| Rear Tyre Pressure Rider And Pillion | N/A | 33 psi |
| Rear Brake | N/A | Disc |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Switchable ABS | null |
| Front Brake | N/A | Disc |
| Braking Type | N/A | Dual Channel ABS |
| Front Brake Diameter | N/A | 310 mm |
| Rear Brake Diameter | N/A | 255 mm |
| Fuel Capacity | 14.5 L | 14 L |
| Frame The main structure holding the bike together. | Trellis Frame | Hybrid perimeter tubular steel |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 237 mm | 165 mm |
| Height | N/A | 1093 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 182 Kg | 195 Kg |
| Length | N/A | 2140 mm |
| Seat Height Distance from the ground to the seat. | 830 mm | 790 mm |
| Width | N/A | 823 mm |
| Bluetooth Connectivity Wireless connection for calls, music, and navigation. | Yes | N/A |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | N/A | Eco, Rain and Road |
| Engine Kill Switch A button to instantly turn off the engine for safety and convenience. | Yes | N/A |
| Tripmeter Tracks specific trip distances separately from the odometer, useful for measuring short rides. | Digital | N/A |
| Clock | Yes | N/A |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | 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 with Assist and Slipper Clutch |
| Transmission The entire system that transfers engine power to the wheels (includes clutch and gearbox). | Constant Mesh | Manual |
| Drls | N/A | Yes |
| Battery Capacity Total energy the battery can store. | N/A | 12V, 8AH |
| Suspension Front | WP Upside-Down Forks | 43mm Telescopic Forks |
| Suspension Rear | Monoshock with Preload and Rebound Adjustment | Twin Shock Absorbers |
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