| Key Highlights | Z125 | SR 250 |
|---|---|---|
| Price | ₹ 1.29 Lakh | ₹ 1.37 Lakh |
| Displacement | 125 cc | 223 cc |
| Power | 15 HP @ 10,000 rpm | 16 hp @ 7500rpm |
| Mileage | 40 kmpl | 40 kmpl |
| Top Speed | 103 km/h | 120 km/h |
| Max Power Highest power the engine/motor can produce. | 15 HP @ 10,000 rpm | 16 hp @ 7500rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 11.7 Nm @ 7,700 rpm | 16 Nm @ 6500 rpm |
| Battery Type | MF | Maintenance Free |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 11.7:1 | N/A |
| Cooling System Method used to prevent engine overheating. | N/A | Air cooled |
| Engine Type Design and working of the two-wheeler's engine. | 125cc, SOHC, air-cooled single; 2 valves | Single Cylinder Air cooled, SOHC |
| Displacement Engine cylinder capacity measured in cc. | 125 | 223 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 56 mm | N/A |
| Peak Power Highest power a bike/scooter can produce. | N/A | 16 W |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 50 mm | N/A |
| Top Speed | 103 Km/h | 120 Km/h |
| Tyre Size | Front : 100/80-17M/C, Rear : 130/70-17M/C | Front : 110/70-17, Rear : 130/70-17 |
| Wheel Size | Front : 431.8 mm, Rear : 431.8 mm | Front : 431.8mm, Rear : 431.8mm |
| Wheels Type | N/A | Spoke |
| 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. | 1330 mm | 1285 mm |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | N/A | N/A |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | 2-Channel ABS | Dual Channel |
| Front Brake Diameter | 290 mm | 300 mm |
| Rear Brake Diameter | 220 mm | 210 mm |
| Fuel Capacity | 11 L | 14 L |
| Fuel Reserve | N/A | 2 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Sports Naked Bike | Scrambler bike |
| Frame The main structure holding the bike together. | Steel backbone | N/A |
| Dry Weight Bike’s weight without fuel and fluids. | N/A | 125 Kg |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 185 mm | 160 mm |
| Height | 1015 mm | 1070 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 146 Kg | 120 Kg |
| Length | 1935 mm | 1995 mm |
| Passenger Backrest A support accessory for the passenger’s back. | N/A | N/A |
| Saddle Height Distance from the ground to the seat. | N/A | 780 mm |
| Seat Height Distance from the ground to the seat. | 815 mm | 760 mm |
| Width | 740 mm | 790 mm |
| 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. | N/A | No |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Electric start | Electric Start |
| Engine Kill Switch A button to instantly turn off the engine for safety and convenience. | Yes | N/A |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | Yes | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | Yes | N/A |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Yes |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | Semi-digital | Digital |
| Techometer | Analogue | Digital |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | N/A | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Wet, multiplate | Wet Multiplate |
| Gear Box | 6 Speed | 5 Speed |
| Drls | N/A | No |
| Projector Headlights Projector headlights focus on the road, improving visibility, reducing glare for others, and offering a sharper, more efficient beam. | Yes | N/A |
| Suspension Front | 37mm Telescopic Forks | Telescopic |
| Suspension Rear | Mono-shock | Pre-Load adjustable dual shocks |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Telescopic |
| Additional Features | N/A | Hazard Switch |