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Quick Analysis

Aprilia SR 175

12.5 pts
Unweighted: 9 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther

KTM 450 SX-F

17.5 pts
Unweighted: 12 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Specification
Aprilia SR 175
Aprilia SR 175
Aprilia
KTM 450 SX-F
KTM 450 SX-F
KTM

Engine Specifications

Cooling System Air‑cooled Liquid cooled
Displacement 174.7 cc 449.9 cc
Engine Type Single‑cylinder, 4‑stroke, SOHC, 3‑valve, air‑cooled. 1-cylinder, 4-stroke engine
Power 13.26 PS @ 7200 rpm
Torque 14.14 Nm @ 6000 rpm

Performance & Efficiency

Fuel Tank Capacity 7 l 7.2 L
Mileage 40 kmpl 15.33 kmpl

Dimensions & Weight

Kerb Weight 107 kg
Seat Height 958 mm

Brakes & Suspension

ABS Single‑channel ABS Dual Channel ABS
Front Brake 220 mm disc Disc 260 mm
Front Suspension Telescopic front fork WP XACT-USD (AER), Ø 48 mm
Rear Brake Drum brake Disc 220 mm
Rear Suspension Monoshock WP XACT Monoshock with linkage

Tyres & Wheels

Front Tyre 80/100 - 21
Rear Tyre 110/90 - 19
Tyre Type Tubeless Tubeless
Wheel Type Alloy Alloy

Features & Technology

Headlight LED

Other Specifications

Bike Image 1 https://motoautiv.com/wp-content/uploads/2025/12/sr_tech_175_banner2.webp
Cluster Digital
Color Options GLOSSY TECH WHITE MATT PRISMATIC DARK Orange
Cons The seat is firm and somewhat compact, making long rides or carrying a pillion less comfortable. The suspension is on the stiffer side, so rough roads and potholes can feel more pronounced than on commuter-focused scooters. Fuel tank capacity and mileage limit long-range practicality; frequent refuelling may be required for longer rides. Storage space is limited, restricting the ability to carry larger items or helmets comfortably. Taller or heavier riders may find the riding posture and legroom slightly restrictive, especially for longer commutes. 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 Riding the SR 175 feels like having a sporty, eager two‑wheeler in the city — there’s a sense of liveliness from the moment you twist the throttle. Under the bodywork lies a 174.7 cc, single‑cylinder, 4‑stroke, SOHC engine with a 3‑valve head and air cooling. That combination, while simple, is tuned to deliver a perceptible boost over smaller scooters. At around 7,200 rpm you get roughly 13.08 bhp, and peak torque — about 14.14 Nm — comes in at around 6,000 rpm. What this means on real roads is a respectable surge whenever you open up, enough to confidently overtake slow traffic or merge into faster streams without riding the clutch or worrying about sluggishness. The power flows through a CVT automatic transmission. That’s a big plus for city traffic — no manual shifting, no clutch to juggle. Just smooth, progressive acceleration whether you’re crawling through congested lanes or zipping past green lights. For someone commuting daily, this ease of use adds up over time: less fatigue, easier handling, especially in stop‑and‑go conditions. Underneath, the SR 175 rides on a steel frame with a conventional telescopic front fork and a rear monoshock suspension. The wheels are 14-inch alloys with wide 120-section tyres, both front and rear. This setup gives the scooter a planted feel: the tyres provide good grip and stability even when you take scooter‑above‑average corner speeds for fun, or when roads are wet and unpredictable. The suspension isn’t plush — it leans a bit toward firm — but that firmness helps the SR 175 stay composed during quick direction changes or under heavier loads. Bumps and potholes will remind you it’s not a cruiser, but the ride remains useably controlled, balancing stability and comfort in everyday commuting conditions. Braking is handled via a 220 mm disc up front and a drum at the rear, with single‑channel ABS in place. That front disc gives dependable stopping power that’s more confidence‑inspiring than typical scooter brakes — useful when you need to brake suddenly in city traffic. The ABS (even single‑channel) is a welcome safety net for unpredictable urban roads, ensuring the front wheel doesn’t lock under hard braking. For most riders, this means decent control and peace of mind in mixed traffic conditions or when road surfaces are slippery. On the practical side, SR 175 brings a modern set of features that lift it up from a basic commuter — most notably a 5.5‑inch full‑colour TFT instrument cluster, with Bluetooth connectivity for phone pairing, call & message alerts, music control (if supported), and navigation‑assisted info. That makes daily rides more convenient and modern: you get clearer readouts, easier navigation checks, and the general feel of a premium machine rather than a bare‑bones scooter. LED lighting and a USB charging port add to that convenience, making the SR 175 more usable for longer commutes or rides after dark. As for ownership realities: in city traffic, the SR 175’s combination of reasonable power, smooth automatic transmission, and manageable size make it a practical commuter that still feels fun when you want some punch. It isn’t over‑powered — you won’t mistake it for a bike — but within its class, it offers a lively, engaging ride that’s more premium than many other scooters. Its tyre-and-wheel setup paired with solid braking and a stable chassis makes traffic weaving, quick lane‑changes, and urban overtakes more assured. For those occasional weekend rides or city-to-suburb runs it gives enough grunt to stay composed without feeling strained. If you routinely carry a pillion or luggage, the SR 175’s firm suspension and 14‑inch tyre‑based setup will give decent stability — though comfort will be a bit sporty, not plush. If your commute includes rough roads or potholes, you’ll feel the firmness, but it won’t be harsh enough to become unbearable. And for daily city‑use, it’s a good balance between practicality and sportiness: easy start, automatic transmission, modern features, and a refined engine that doesn’t demand frequent maintenance. 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 engine type? A: The engine is a single-cylinder, 4-stroke, SOHC, 3-valve, air-cooled engine. Q: What is the engine displacement? A: The displacement is 174.7 cc. Q: What is the power output? A: The power output is approximately 13.08 bhp at 7200 rpm. Q: What is the torque? A: The torque is about 14.14 Nm at 6000 rpm. Q: What is the mileage? A: The mileage is around 40 km/l. Q: What type of cooling system does it have? A: It has an air-cooled system. Q: What type of transmission does it use? A: The scooter comes with a CVT automatic transmission. Q: What type of fuel system does it have? A: It uses electronic fuel injection. Q: What are the front and rear brakes? A: The front brake is a 220 mm disc, and the rear brake is a drum. Q: Does it have ABS? A: Yes, it comes with single-channel ABS on variants equipped with it. Q: What is the front suspension? A: The front suspension is a telescopic fork. Q: What is the rear suspension? A: The rear suspension is a mono-shock absorber. Q: What are the tyre sizes? A: Both front and rear tyres are 120/70-14 tubeless on alloy wheels. Q: What type of wheels does it have? A: The scooter has 14-inch alloy wheels. Q: What is the kerb weight? A: The kerb weight is not officially published. Q: What is the seat height? A: The seat height is not officially published. Q: What is the fuel tank capacity? A: The fuel tank capacity is 7 litres. Q: What type of headlight does it have? A: The scooter comes with a LED headlight. Q: What type of starter does it have? A: It has an electric start. Q: What type of instrument cluster does it have? A: It has a full-colour TFT digital cluster with features like Bluetooth connectivity, navigation support, and call/message alerts. Q: Is the Aprilia SR 175 suitable for city commuting? A: Yes, its combination of automatic transmission, stable handling, and responsive engine makes it excellent for urban traffic. Q: Does it have under-seat storage? A: Yes, it offers practical under-seat storage, suitable for a helmet or small items. 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 Electronic fuel injection
Price Variants 175 hp e | hp e Replica | | 1025100
Pros The SR 175 delivers strong and responsive performance, making city commuting and occasional highway bursts lively and fun. It has a sporty, aggressive design that stands out, giving it a premium and performance-focused look compared with regular scooters. Handling feels confident thanks to 14-inch alloy wheels, wide tyres, and firm suspension, making it stable in corners and during quick lane changes. Front disc brake with ABS provides good stopping power and enhances rider confidence in traffic or sudden braking situations. Modern features like a full-colour TFT instrument cluster, LED lighting, and Bluetooth connectivity make the riding experience convenient and contemporary. 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 Electric
Transmission Automatic 5 Speed Manual