Quick Analysis
Aprilia SR 125
18.0 pts
Unweighted: 14 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
KTM 450 SX-F
15.0 pts
Unweighted: 10 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Air-cooled | Liquid cooled |
| Displacement | 124.45 cc | 449.9 cc |
| Engine Type | Single-cylinder, 4-stroke, SOHC, 3-valve | 1-cylinder, 4-stroke engine |
| Power | 10.11 PS @ 7300 rpm | — |
| Torque | 10.33 Nm @ 5500 rpm | — |
Performance & Efficiency |
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| Fuel Tank Capacity | 6 litres | 7.2 L |
| Mileage | 40 kmpl | 15.33 kmpl |
Dimensions & Weight |
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| Kerb Weight | 118 kg | 107 kg |
| Seat Height | 780 mm | 958 mm |
Brakes & Suspension |
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| ABS | — | Dual Channel ABS |
| Front Brake | Disc (220 mm) | Disc 260 mm |
| Front Suspension | Telescopic fork | WP XACT-USD (AER), Ø 48 mm |
| Rear Brake | Drum (140 mm) | Disc 220 mm |
| Rear Suspension | Mono-shock / Hydraulic Shock absorber | WP XACT Monoshock with linkage |
Tyres & Wheels |
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| Front Tyre | 120/70-R14 | 80/100 - 21 |
| Rear Tyre | 120/70-R14 | 110/90 - 19 |
| Tyre Type | Tubeless | Tubeless |
| Wheel Type | Alloy | Alloy |
Features & Technology |
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| Headlight | LED | — |
Other Specifications |
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| Battery | 12V / 5 Ah | — |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/12/sr125mattblack.webp | — |
| Cluster | Fully digital instrument cluster | — |
| Color Options | Aprilia Black Street Grey Opalescent Light | Orange |
| Cons | More expensive than many 125cc scooters, making it a premium purchase. Under-seat storage is smaller than what some rivals offer. Torque and overall performance may feel limited for riders who often travel with a pillion or heavy luggage. Suspension can feel slightly firm for some riders, especially on very bad roads. Service network and parts availability may not be as widespread as mass-market brands. | Very Tall Seat: At ~958 mm, it’s difficult to handle for shorter riders, especially off-road. Small Fuel Tank: The 7.2-liter tank limits how far you can ride — built more for racing than touring. Harsh Power Delivery: The high-revving engine is race-tuned, which may be too aggressive for casual use or beginners. Vibrations: The single-cylinder engine can vibrate strongly, especially at higher RPMs. High Maintenance Cost: Premium motocross parts and servicing (suspension, clutch, engine) can be expensive. Limited Street Usability: Not ideal for daily commuting due to track-focused ergonomics and setup. Reliability Trade-offs: Some riders report issues under hard race-type use, like stripped screws or wear on high-stress parts. |
| Detailed Overview | The Aprilia SR GT 125 is one of those scooters that immediately feels different the moment you get on it. Instead of behaving like a typical city commuter, it carries the attitude of a lightweight adventure scooter, and that personality starts with its compact but sophisticated 125 cc i-get engine. This single-cylinder motor uses liquid cooling and a four-valve head, which means it breathes freely, runs cooler, and maintains performance even when the roads ahead are busy or slightly demanding. With around 15 horsepower produced at fairly high rpm, the scooter likes to be ridden with a bit of spirit. It doesn’t explode off the line, but it builds speed in a smooth, confident manner, especially when merging into faster traffic. The 12 Nm of torque comes in at mid-range, so in everyday riding the scooter feels responsive without needing to twist the throttle aggressively. Because it uses a CVT transmission, power delivery stays seamless. You just twist and go — making your way through city traffic without a second thought about gears. Even slow-speed maneuvering feels clean, thanks in part to the engine’s start-stop system, which cuts the engine at idle and brings it back to life the moment you twist the throttle. This not only saves fuel, but also makes the scooter feel lively and modern. Aprilia has built the SR GT 125 around a strong double-cradle steel frame, and that chassis gives it a planted feel on the road. Where many scooters tend to bounce or feel vague on broken surfaces, this one feels much more composed. The front end uses a 33 mm telescopic fork with generous travel, and the rear relies on twin shock absorbers with preload adjustment. Together, they soak up rough surfaces without making the rider feel disconnected. Riding over potholes or uneven patches doesn’t rattle the scooter; instead, it delivers a gentle, controlled movement that makes the overall ride surprisingly comfortable for something this sporty. Braking performance follows the same philosophy of confidence and control. Up front, there’s a large 260 mm disc, and the rear gets a 220 mm disc as well. Combined braking ensures that even less experienced riders get a balanced stop without grabbing too much front brake by mistake. In real-world use, the brakes feel progressive and strong — enough to inspire trust during sudden slow-downs, especially in crowded urban conditions. Dimensions also play a role in how this scooter behaves. Its wheelbase provides stability during faster stretches, yet the overall size keeps it agile in tight lanes. The seat height sits just under 800 mm, which means most riders can comfortably place a foot down at signals. The 9-litre fuel tank is larger than what most scooters offer, so you don’t need to refuel frequently — something daily commuters will appreciate. A big part of the SR GT 125’s personality comes from its tyres. With a 110/80-14 tyre at the front and a 130/70-13 at the rear, the scooter gets a slightly rugged stance while also benefiting from better grip and cornering feel. These wider tyres add stability when leaning through curves or navigating slippery monsoon roads. Alloy wheels help keep things light and responsive, making the scooter feel nimble without compromising ride comfort. On the features front, it includes fuel injection, an electric starter, and a modern instrument cluster that gives clear information without clutter. Everything is laid out to focus on real usability — nothing flashy for the sake of it, just features that make everyday ownership effortless. The seating is comfortable, the ergonomics encourage an upright, confident riding posture, and the overall build quality hints at durability. In real riding, the SR GT 125 feels like a scooter that wants to do a bit more than the typical city hop. It handles daily commutes with ease but doesn’t shy away from slightly longer rides or patchy roads. It’s the kind of machine that suits a rider who enjoys a little adventure in everyday life — someone who wants refinement, stability, and the feel of a well-engineered scooter rather than a basic runabout. It strikes a balance between practicality and fun, making it not just a commuter tool but a companion that engages the rider every time the road twists or roughens. | The KTM 450 SX-F is a high-performance motocross machine built to compete at the highest level; it’s engineered for speed, agility, and race track domination rather than casual cruising. At its core lies a 449.9 cc four-stroke, single-cylinder, liquid-cooled engine, tuned to generate strong and immediate power with a broad rev range. This powertrain is designed to make explosive bursts out of corners, offer consistent throttle response, and deliver a raw racing feeling. The engine’s lightweight construction contributes significantly to the bike’s competitive edge, keeping the overall weight low and enabling sharp acceleration. KTM has optimized the 450 SX-F’s handling through a sophisticated chassis and suspension setup. The bike features WP XACT 48 mm inverted front forks and a matching WP XACT rear shock which combine to offer generous travel (around 310 mm front and 300 mm rear), excellent damping, and great control during jumps or uneven terrain. This suspension system provides riders with a stable and predictable ride, whether they’re launching off a tabletop or navigating whoops on a technical track. The frame itself, likely a high-grade steel trellis design, balances rigidity and flexibility to help maintain stability under heavy loads while allowing for sharp and responsive feedback when pushed aggressively. Electronics on the 450 SX-F reflect its competitive nature. It comes equipped with launch control, enabling better starts during drag-style races. Additionally, the bike offers selectable engine mappings and traction control, giving riders the flexibility to choose different levels of assistance based on track conditions. These systems help control wheel spin, optimize torque delivery, and enhance safety at high RPMs. The inclusion of a quickshifter goes a long way in making aggressive riding smoother, while the engine maps help tailor performance for dry, dusty tracks or slippery surfaces. Though a serious racewheel, KTM hasn’t skimped on user convenience: the 450 SX-F includes an electric starter, so riders don’t need to rely on kick-starting, a welcome feature for modern motocross users. The ergonomics are built for competition: a high seat height (~958 mm) and tall, wide handlebars give the rider a commanding posture, facilitating balance and control over big jumps and landings. Despite being built for off-road prowess, the rider’s triangle provides a decent balance—standing up or sitting down remains natural and feels intentional, rather than an afterthought. The bike’s weight is impressively kept in check, making it lighter than many of its peers. This low weight improves not only maneuverability but also helps reduce rider fatigue during extended sessions on the track. At the same time, the drivetrain is engineered with a 5-speed gearbox, making gear changes efficient and suited to the demands of motocross. The clutch is performance-oriented, ensuring durability and precise engagement under racing stress. Fuel capacity is modest (around 7.2 liters), which is typical for a motocross bike but restricts the 450 SX-F to race or track use rather than long-distance adventures. Maintenance is regular and can be demanding: high-revving competition engines demand careful attention to oil changes, suspension settings, and component wear. Still, many motocross riders consider this a fair trade-off given the bike’s competitive performance. In summary, the KTM 450 SX-F is a race-bred motocross machine that delivers raw power, high agility, and top-tier handling. It’s not designed for comfort cruising or commuting—it’s built for serious track work and competitive environments. For riders who live for the thrill of racing, who demand the sharpest throttle response, and who don’t shy away from the maintenance demands of four-stroke competition bikes, the 450 SX-F is a standout performer. |
| Expert Review | MotoAutiv Team | MotoAutiv Team |
| FAQ (Manual Override) | Q: What is the mileage? A: The mileage is around 38–42 kmpl in real-world riding. Q: What is the engine capacity of the Aprilia SR GT 125? A: The engine capacity is 125 cc. Q: How much power does the SR GT 125 produce? A: It produces around 15 hp. Q: What is the torque output? A: The torque output is 12 Nm. Q: Does the Aprilia SR GT 125 have liquid cooling? A: Yes, it uses a liquid-cooled engine. Q: Is ABS available on the SR GT 125? A: It comes with a combined braking system (CBS), not ABS. Q: What is the seat height? A: The seat height is around 799 mm. Q: What is the fuel tank capacity? A: The fuel tank capacity is 9 litres. Q: Is the suspension suitable for rough roads? A: Yes, the long-travel suspension handles uneven roads confidently. Q: What type of tyres does it use? A: It uses a 110/80-14 front tyre and a 130/70-13 rear tyre. | Q: What is the engine specification of the KTM 450 SX-F? A: The bike is powered by a 449.9 cc, single-cylinder, 4-stroke liquid-cooled engine. Q: What is the power and torque output? A: According to specs, the 450 SX-F produces about 62.96 PS and approximately 74 Nm of torque. Q: What kind of transmission does it have? A: It uses a 5-speed gearbox. Q: What is the fuel tank capacity? A: The fuel tank capacity is around 7.2 litres. Q: What is the seat height and ground clearance? A: The seat height is 958 mm, and ground clearance is very high at 343 mm. Q: What suspension setup is used on the 450 SX-F? A: It comes with WP XACT 48 mm USD front forks and a WP XACT monoshock with linkage. Q: What brakes does it have? A: The 450 SX-F is equipped with a 260 mm front disc and a 220 mm rear disc. Q: What electronic / rider-aid features does it include? A: It comes with launch control, quickshifter, selectable engine maps + traction control (TC), and a connectivity unit for off-road use. Q: What is the weight of the 450 SX-F? A: The kerb weight is approximately 107 kg for the standard model. Q: Does this bike have an electric starter? A: Yes, it has a self-starter (electric), so you don’t need to kick-start it. Q: What kind of fuel should I use? A: The manufacturer recommends high-octane / race-grade fuel for optimal performance. However, some users mention that standard premium pump gas (91 RON) works “just fine” on a stock setup. Q: How reliable is the 450 SX-F? A: While KTM 450s are high-performance machines, many owners report good longevity with regular maintenance. Some have raised concerns about top-end rebuilds, but others say healthy use with regular oil changes can bring 180+ hours before any major work. |
| Fuel System | Fuel-injected | — |
| Price Variants | 377155 | | 1025100 |
| Pros | Sporty and premium design that stands out compared to regular 125cc scooters. Strong handling with a more motorcycle-like feel, giving confidence in corners and during quick lane changes. Comfortable riding posture with good ergonomics for both short commutes and longer weekend rides. Smooth and responsive engine thanks to liquid cooling and fuel injection. Disc brakes at both ends with CBS offer stable and predictable braking performance. Good suspension travel that handles rough city roads better than most scooters in this segment. Alloy wheels and wider tyres provide excellent grip and stability. | Very High Performance: The 449.9 cc single-cylinder engine delivers strong, race-ready power for motocross. Light and Agile: With its low weight (around 107 kg) and compact frame, it’s extremely maneuverable on tracks. Top-Tier Suspension: Equipped with WP XACT 48 mm USD forks and a high-travel rear shock, making it very capable over jumps and rough terrain. Modern Electronics: Includes launch control, selectable engine maps, quickshifter, and traction control for improved control. Electric Start: Convenient and practical — no need for kick-starting. Strong Chassis: The trellis frame offers a good mix of stiffness and flexibility, ideal for aggressive riding. Serviceability: Easy access to key components like the air filter and suspension for maintenance. |
| Starter | Kick + Self-start | — |
| Transmission | Automatic | 5 Speed Manual |
