| Key Highlights | Activa 125 | S 125 |
|---|---|---|
| Price | ₹ 89,256 | ₹ 1.82 Lakh |
| Displacement | 123.9 cc | 124.45 cc |
| Power | 8.3 bhp @ 6500 rpm | 9.3 bhp @ 7100 rpm |
| Mileage | 47 kmpl | 45 kmpl |
| Top Speed | 90 km/h | 86 km/h |
| Max Power Highest power the engine/motor can produce. | 8.3 bhp @ 6500 rpm | 9.3 bhp @ 7100 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 10.5 Nm @ 5000 rpm | 10.1 Nm @ 5600 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. | 10.0:1 | 10±0.5:1 |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2 | N/A |
| Displacement Engine cylinder capacity measured in cc. | 123.92 | 124.45 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 50 mm | 52 mm |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 249.1 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. | 63.1 mm | 56.6 mm |
| Valve Per Cylinder Number of valves in each engine cylinder. | 2 | 3 |
| Top Speed | 90 Km/h | 86 Km/h |
| Tyre Size | Front : 90/90 - 12, Rear : 90/100 - 10 | Front : 110/70 - 11 , Rear : 120/70 - 10 |
| Wheel Size | Front : 12 inch, Rear : 10 inch | Front: 11 inch ,Rear: 10 inch |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1260 mm | 1290 mm |
| Front Tyre Pressure Rider | 22 psi | 26 psi |
| Front Tyre Pressure Rider And Pillion | 22 psi | 26 psi |
| Rear Tyre Pressure Rider And Pillion | 36 psi | 32 psi |
| Tubless | N/A | Yes |
| Front Brake Diameter | 19 mm | 200 mm |
| Rear Brake Diameter | 130 mm | 140 mm |
| Fuel Supply | PGM-FI | N/A |
| Fuel Capacity | 5.3 L | 7.4 L |
| Fuel Reserve | 1.3 L | 1.85 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | N/A | Scooter |
| Frame The main structure holding the bike together. | Under Bone | Monocoque Chassis |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 162 mm | N/A |
| Height | 1160 mm | 1140 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 107 Kg | 115 Kg |
| Length | 1850 mm | 1770 mm |
| Passenger Backrest A support accessory for the passenger’s back. | N/A | N/A |
| Seat Height Distance from the ground to the seat. | 765 mm | 770 mm |
| Width | 707 mm | 690 mm |
| Charging Point A port to charge devices or the two-wheeler's battery. | N/A | Yes |
| Bluetooth Connectivity Wireless connection for calls, music, and navigation. | Yes | N/A |
| Usb Charging Port A USB slot to charge devices like phones. | N/A | Yes |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | No | N/A |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Kick and Self Start | Electric Start |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | N/A | Yes |
| Display A screen that shows important riding information like speed, fuel, and trip details. | 4.2 inch TFT Display | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | N/A | N/A |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | N/A | N/A |
| Service Due Indicator Reminds when the next bike servicing or maintenance is needed. | N/A | Yes |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Automatic Centrifugal Clutch Dry Type | N/A |
| Drls | N/A | LED |
| Turn Signal Lamp Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction. | Halogen Bulb | LED |
| Low Fuel Indicator A warning light when fuel is low. | N/A | Yes |
| Battery Capacity Total energy the battery can store. | 12V 5Ah | 5A 12V |
| Suspension Front | Telescopic | Hydraulic Single Side Arm Front Suspension |
| Suspension Rear | 3-Step Adjustable Spring Loaded Hydraulic | Hydraulic Shock Absorber |
| Seat Type The design of the seat that affects comfort and seating position. | N/A | Single |
| Additional Features | Two Lid Fuel Opening System | 5 Inch TFT Instrument Cluster |
| Underseat Storage | 18 L | N/A |