Quick Analysis
KTM 50 SX
25.0 pts
Unweighted: 12 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Ola S1 X+
9.5 pts
Unweighted: 15 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Displacement | 49.9 cc | — |
| Engine Type | 1-cylinder, 2-stroke engine | — |
| Power | 5.3 bhp @ 11500 rpm | 7 kW |
| Torque | 5.2 Nm @ 7500 rpm | 5.5 kW |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | — |
| Mileage | 30 kmpl | — |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 105 kg |
| Seat Height | 653 mm | 791 mm |
Brakes & Suspension |
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| Front Brake | Disc 160 mm | Drum |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Twin telescopic |
| Rear Brake | Disc 160 mm | Drum |
| Rear Suspension | XACT WP mono shock | Dual shock |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 90/90 - R12 |
| Rear Tyre | 2.75 - 10 | 90/90 - R12 |
| Tyre Type | Tubed | — |
| Wheel Type | Spoke | Steel |
Features & Technology |
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| Headlight | — | LED |
Other Specifications |
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| Battery Capacity (kWh) | — | 1.7 |
| Battery Chemistry | — | Li-ion |
| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/12/s1xmidnightblue.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/12/s1xjetblack.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/12/s1xindustrialsilver.webp |
| Bike Image 4 | — | https://motoautiv.com/wp-content/uploads/2025/12/s1xporcelainwhite.webp |
| Charging Time (Fast) | — | 4.5 h |
| Charging Time (Standard) | — | 5 h |
| Color Options | Electronic Orange | Porcelain White Jet Black Midnight Blue Passion Red Silver |
| Cons | High Maintenance: As a 2-stroke engine, it requires frequent servicing and tuning. Small Fuel Tank: Limited capacity means more frequent refills. Kick-Start Only: No electric start, which can be tricky for very young riders. Limited Power for Older Kids: The 50cc engine may not be enough as the rider grows or becomes more skilled. Sensitive to Tuning: Owners report issues like fouling spark plugs or needing to frequently re-jet the carb: “Used to run great … then started fowling plugs … Moved to a 95 main jet … About 15 kph slower …” Parts Cost & Availability: As a race‑oriented bike, some parts can be expensive or harder to source for older models. | Real-world range may drop: with heavy use, frequent stops, or aggressive riding, you’re likely to get less than the ideal range. Charging can be inconvenient: if you don’t have easy access to a charger, or if charging infrastructure is limited, that can be a hassle. Service and support may be patchy in small towns or remote areas: maintenance and after-sales can be a challenge outside major cities. Battery health and long-term maintenance remain a concern: over time, battery degradation or wear-and-tear may impact performance and value. Not a “premium-class” ride: if you expect luxury comfort, big storage, or high-end build quality, the S1X Gen 3 remains a practical commuter scooter — with limitations on ruggedness and features. |
| Detailed Overview | The KTM 50 SX is a purpose-built mini motocross bike, tailored primarily for very young and beginner racers who want to get a genuine motocross experience without jumping straight to bigger bikes. It’s more than just a “toy” — KTM has packed serious race-bike DNA into this 50cc model, making it a standout choice for youth motocross training and competitive racing. At the heart of the 50 SX is a 49.9 cc single-cylinder 2-stroke engine, which delivers a punchy yet manageable power output. According to KTM’s specs, this engine is paired with a centrifugal automatic clutch, meaning there’s no manual clutch lever to worry about — the clutch engages automatically, which is ideal for young riders still building coordination and confidence. The engine uses a Seletra 2p D36 system for fuel delivery (on some models), which helps in precise tuning and reliable performance. KTM has thoughtfully designed the chassis for both strength and agility. The frame is made from chromoly steel, which keeps it light but sturdy. The overall design ensures that the bike is highly maneuverable, making it easier for young riders to learn balance and control on a real race-ready structure. The 50 SX isn’t just about motor and frame — it comes with serious suspension too: a WP XACT 35 mm upside-down fork at the front and a WP mono‑shock at the rear.The front suspension travel is around 200 mm and the rear is close to 190 mm, giving enough give for track bumps and jumps. In terms of ergonomics, the seat height is just 653 mm, making it very accessible for younger riders. Ground clearance is around 233 mm, giving the bike enough space to handle uneven terrain without scraping too much.The fuel tank capacity is modest — 2.3 liters — but that’s more than enough for short motocross sessions that young riders typically do. For braking, KTM hasn’t compromised: the 50 SX is equipped with disc brakes both front and rear, each 160 mm in size. This provides good stopping power and control, which is very important for safety and learning advanced braking techniques. On the wheels front, the bike uses spoke wheels, keeping things light and rugged for off-road racing. Despite its small size, the 50 SX is very race-focused. The frame has been redesigned to mimic the flex and rigidity characteristics of full-size MX bikes. The new frame also comes with frame protectors, which help reduce damage in case of falls — a common occurrence when young riders are learning. The handlebars are lightweight aluminum, with a bend that suits smaller riders, and the footpegs are designed to give a solid grip even when things get muddy or rough. KTM also includes power-reduction kits in its parts catalog for the 50 SX. These kits let parents or coaches limit the power output while the rider is still learning, which is a smart way to scale the bike’s performance to the rider’s ability — and once they’re better, the full power can be unlocked. When it comes to reliability, the 50 SX has a liquid cooling system for better thermal management. The engine’s central crankshaft design helps in keeping the mass well-balanced, which contributes to smoother handling. As for maintenance, like all 2-stroke motorcycles, it does need regular care — but KTM has made key parts (like the clutch) durable, using a reinforced clutch basket for longevity. Overall, the KTM 50 SX is a very well-engineered youth motocross bike that brings real race performance to younger riders. It balances power, weight, and control in a way that helps beginners grow into serious racers. Whether for track training, competitive racing, or just building early riding skills, it’s absolutely one of the top choices in the mini-moto world. | If you ride around in a small town or city, the new Ola S1X Gen 3 feels like it was built for you — slick, practical, and tuned to the everyday hustle. Right under the body sits an electric battery pack, offered in 2 kWh, 3 kWh and 4 kWh versions. Go for the top 4 kWh variant, and you get a motor capable of peppy power: enough to deliver a sharp, satisfying surge off the mark. That punch means you won’t be left wanting in traffic — pulling away from traffic signals, overtaking slower vehicles, or navigating busy streets feels confident. The claimed 0–40 km/h sprint in roughly 3 seconds makes the S1X Gen 3 feel nimble and responsive — real-world traffic rarely gives you a moment to hesitate, and this scooter seems ready for that. Once you’re rolling, the potential for speed surprises — with a top speed of around 125 km/h in the high-end variant, the S1X Gen 3 isn’t just for crawling city rides. That headline figure suggests it could handle occasional highway stretches or open-road bursts. Of course, when you actually ride — with traffic, potholes, load (pillions, groceries), and stops — the real top speed will depend on conditions. But having the capability gives flexibility beyond just commuting lanes. Range is often the make-or-break for electric scooters, and on paper the 4 kWh S1X Gen 3 gives a strong figure: the claimed “IDC range” pushes beyond two hundred kilometres on a full charge. In real life, this opens up possibility: you could potentially manage a full week of city commuting or several round-trips without stressing over charging. That said — like all EVs — how far you actually go will depend a lot on how you ride, how much you carry, how many stops, and how aggressive you are with throttle. In regular city commuting, though, this kind of range offers serious convenience: fewer charging stops, lower running costs, and less thinking about “where’s the next plug.” What seals the package is how it rides. With 12-inch wheels and a conventional but proven suspension layout — telescopic front forks and dual rear shock absorbers — the S1X doesn’t aim to be an off-road machine. Instead, this setup feels tuned for everyday roads: uneven pavements, speed-breakers, potholes that plague urban and semi-urban India. The ride will lean more toward “steady and controlled” than “hard and sporty,” which is actually a good thing when you’re tackling jarring city surfaces day in, day out. Stopping confidence also matters, and here the S1X Gen 3 does the basics cleanly: front disc brake (on higher variants) plus what amounts to anti-skid support give you a sense of safety. In chaotic traffic — where you may need to brake suddenly — a solid disc up front and safety mechanisms give a bit of breathing room. It won’t match full-blown bikes, but for a compact city EV scooter, it’s adequate and responsible. Hop on, and the ergonomics feel tuned for urban commuting: the seat height is manageable, width and proportions make weaving through narrow lanes fairly easy, and the weight is light enough so maneuvering low-speed traffic or crowded streets doesn’t feel like a struggle. For a town like Bänka, or any typical Indian small town or city, this kind of compactness matters more than raw power. Inside, the 4.3-inch colour display keeps things modern and useful: speed, battery, range, ride-modes and more — all visible at a glance. You don’t get unnecessary complexity, but you get enough to be aware of what’s going on. Under-seat storage lets you stash a helmet, groceries or small essentials. For daily commuters, that’s often more useful than flashy extras. Pricing-wise — since the S1X Gen 3 is offered in multiple variants — there’s flexibility. The entry-level 2 kWh version sits at a modest price point (per ex-showroom listings), making it a reasonable choice if you mostly ride short distances or want to test the electric-scooter waters. The 3 kWh and 4 kWh versions inch up a bit in cost — but with significant gains in range, performance and practicality. For someone who needs daily commuting, occasional errands, maybe a bit of longer rides — the 4 kWh S1X+ balances value and features nicely without making you pay for unnecessary bells and whistles. So at the end of the day, the S1X Gen 3 strikes a commendable balance. It doesn’t pretend to be a superbike, but it doesn’t need to be. What it offers is a smart, well-rounded urban-roader electric scooter: enough motor to keep traffic engaged, enough range to ease charging worries, a ride tuned for real roads, and a price that’s within reach of many. If you live in a town or city where fuel cost, maintenance, and noise matter — and you want fuss-free mobility — this scooter makes a compelling case. |
| Expert Review | MotoAutiv Team | MotoAutiv Team |
| FAQ (Manual Override) | Q: What is the engine capacity of the KTM 50 SX? A: It has a 49.9 cc 2-stroke engine. Q: What kind of transmission does it use? A: The KTM 50 SX has a single-speed automatic transmission. Q: How is the KTM 50 SX started? A: It uses a kick-start. Q: Does it have a clutch? A: Yes — a centrifugal (adjustable) clutch, so the rider doesn’t have to use a manual clutch lever. Q: What is the fuel tank capacity? A: The fuel tank capacity is 2.3 litres. Q: What is the seat height? A: The seat height is 653 mm. Q: What is the weight of the bike? A: The dry (or “without fuel”) weight is about 43.5 kg for recent models. Q: What kind of suspension does the KTM 50 SX use? A: It comes with WP XACT suspension — a 35 mm upside-down fork in the front and a WP mono-shock at the rear. Q: What brakes does it have? A: It has disc brakes both at the front and rear, each 160 mm. Q: What power does the KTM 50 SX produce? A: The KTM 50 SX produces around 5.3–5.4 PS at ~11,500 rpm. Q: Is the KTM 50 SX road legal? A: No — it's designed for off-road / motocross use, not for street-legal riding. Q: What kind of clutch does it have for young riders? A: It uses a centrifugal clutch, which automatically engages at high RPM — good for beginners or young riders who don’t manually operate a clutch. Q: What is the ground clearance? A: The ground clearance is 233 mm. Q: Is there a guarantee or warranty for KTM 50 SX? A: According to specs, it has a 2-year standard warranty. Q: What is the typical maintenance challenge or issue to watch for? A: Some owners report carburetor tuning issues | Q: What is the range of the Ola S1X Gen 3? A: The range varies by variant — the 4 kWh version can deliver up to around 190–200 km in real-world conditions. Q: What is the top speed of the Ola S1X Gen 3? A: The top speed goes up to about 125 km/h on the higher variant. Q: What is the battery capacity? A: It is available in 2 kWh, 3 kWh, and 4 kWh battery options. Q: How long does the Ola S1X Gen 3 take to charge? A: A full charge typically takes around 6.5 hours for the larger battery. Q: Does the scooter have fast charging? A: It supports fast charging at Ola Hyperchargers. Q: What is the acceleration like? A: The scooter can go from 0–40 km/h in roughly 3 seconds on the higher-powered version. Q: What kind of brakes does it have? A: The scooter uses a front disc brake with safety assist, and a rear drum brake. Q: What is the wheel size of the Ola S1X Gen 3? A: It comes with 12-inch wheels at both ends. Q: What display does it use? A: It features a 4.3-inch colour LCD display. Q: Does it have multiple riding modes? A: Yes, it offers Eco, Normal, and Sport modes. Q: How much under-seat storage does it have? A: Enough to fit daily essentials and small bags. Q: What is the price of the Ola S1X Gen 3? A: Pricing varies by variant but starts at an affordable entry level for the 2 kWh version. Q: Is it suitable for daily city commuting? A: Yes, especially due to its nimble handling, smooth power delivery, and long range. Q: Can it carry a pillion comfortably? A: Yes, the seat is designed for comfortable two-up riding within city conditions. |
| Fuel System | — | Electric |
| Price Variants | | 475000 | X+ | 119999 X | 84999 |
| Pros | Very Lightweight: Makes it easy for young riders to handle and build confidence. Automatic Transmission: The centrifugal clutch and automatic gearbox simplify riding for beginners. Adjustable Suspension: High-quality WP fork and shock can be tuned to rider weight and track conditions. Racing‑Oriented Build: Frame and components are derived from KTM’s full-size SX range, giving a race-ready feel. Power-Reduction Kits Available: Helps beginners by limiting power until they’re ready for more. Good Cooling: Liquid cooling ensures the engine stays healthy even under hard off‑road use. Tool-Free Adjustability: Seat height, suspension, and other parts can be adjusted without special tools. | Excellent for city commuting: the range and battery make it ideal for daily rides and errands without frequent charging. Smooth, manageable ride: the suspension and wheel setup give decent comfort over typical city and semi-urban roads. Low running and maintenance cost: being electric, you save on fuel and don’t deal with as many mechanical issues as a petrol scooter. Practical and user-friendly: good storage space, simple display, and useful ride modes make it convenient for everyday use. Affordable entry point: for many buyers, it offers a solid balance of price, performance and convenience — especially compared with pricier EV options. |
| Transmission | Manual | Automatic |
