| Key Highlights | 390 Adventure R | GSX-8S |
|---|---|---|
| Price | ₹ 3.86 Lakh | ₹ 10.94 Lakh |
| Displacement | 398.7 CC | 776 CC |
| Power | 44.2 bhp | 83.1 hp / 61.9 kw @ 8500 rpm |
| Mileage | 30 KMPL | 23.8 KMPL |
| Max Power Highest power the engine/motor can produce. | 44.2 bhp | 83.1 hp / 61.9 kw @ 8500 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm | 78 Nm / 57.5 lb-ft @ 6800 rpm |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12.6 | 12.8:1 |
| Cooling System Method used to prevent engine overheating. | Liquid Cooled | liquid-cooled |
| Engine Type Design and working of the two-wheeler's engine. | 4 stroke, Single Cylinder, DOHC, Internal Combustion Engine | 4-stroke, 2-cylinder, liquid-cooled, DOHC |
| Displacement Engine cylinder capacity measured in cc. | 398.7 | 776 |
| 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 | 84 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 | 70 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | N/A | 1 |
| Tyre Size | Front : 90/90 - 21, Rear : 140/80 - 18 | Front : 120/70 - ZR17 , Rear : 180/55 - ZR17 |
| Wheel Size | Front : 21 inch, Rear : 18 inch | Front : 431.8 mm , Rear : 431.8 mm |
| 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. | N/A | CDI |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1481 mm | 1465 mm |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | N/A | Yes |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | Dual Channel |
| Front Brake | Disc | Disc, twinav |
| Front Brake Diameter | 320 mm | 310 mm |
| Fuel Supply | N/A | Fuel Injection |
| Fuel Capacity | 14.5 L | 14 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Adventure Tourer Bikes, Dirt Bikes, Off Road Bikes | Sports |
| 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. | Steel Trellis Frame | Steel |
| Additional Storage Extra space for carrying items. | Yes | N/A |
| Dry Weight Bike’s weight without fuel and fluids. | N/A | 202 Kg |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 272 mm | 145 mm |
| Height | 1490 mm | 1105 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 183 Kg | 202 Kg |
| Length | 2238 mm | 2115 mm |
| Seat Height Distance from the ground to the seat. | 870 mm | 810 mm |
| Width | 821 mm | 775 mm |
| 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. | N/A | Mode A, Mode B and Mode C |
| 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. | Yes | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | TFT | Digital |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | No | N/A |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | No | Yes |
| 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 functions |
| Gear Box | 6 Speed | 6-speed (1 Down 5 Up) |
| Head Light | LED | LED |
| Drls | Yes | N/A |
| Turn Signal Lamp Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction. | LED | LED |
| Projector Headlights Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam. | N/A | Yes |
| Led Tail Light Energy-efficient, bright rear light. | N/A | Yes |
| Low Fuel Indicator A warning light when fuel is low. | N/A | Yes |
| Suspension Front | WP APEX 43 | Inverted telescopic, coil spring, oil damped |
| Suspension Rear | WP APEX Split Piston | Link type, coil spring, oil damped |
| Seat Type The design of the seat that affects comfort and seating position. | N/A | Inverted telescopic, coil spring, oil damped |
| Stepup Seat | N/A | Yes |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | No | N/A |
| Mobile Application A companion app to monitor bike stats, location, and settings. | Yes | N/A |
| Call Sms Alerts Notifies you of incoming calls or messages on the bike’s screen. | Yes | N/A |
| Ota | Yes | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | No | N/A |
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