Quick Analysis
KTM 50 SX
9.0 pts
Unweighted: 3 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
TRIUMPH SCRAMBLER 900
29.0 pts
Unweighted: 22 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | — | Liquid cooled |
| Displacement | 49.9 cc | 900 cc |
| Engine Type | 1-cylinder, 2-stroke engine | 8 valve, SOHC, 270° crank angle parallel twin |
| Power | 5.3 bhp @ 11500 rpm | 65 PS / 64.1 bhp (47.8 kW) @ 7250 rpm |
| Torque | 5.2 Nm @ 7500 rpm | 80 Nm @ 3250 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | 12 L |
| Mileage | 30 kmpl | 23 kmpl |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 223 |
| Seat Height | 653 mm | 790 |
Brakes & Suspension |
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| ABS | — | Dual channel |
| Front Brake | Disc 160 mm | Single Ø310mm floating disc, Brembo 4-piston fixed axial caliper, ABS |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Ø 41mm forks with cartridge damping. 120mm travel |
| Rear Brake | Disc 160 mm | Single Ø255mm disc, Nissin 2-piston floating caliper, ABS |
| Rear Suspension | XACT WP mono shock | Twin shocks with adjustable preload. 120mm rear wheel travel |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 100/90-19 Metzeler Tourance |
| Rear Tyre | 2.75 - 10 | 150/70 R17 Metzeler Tourance |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Spoked |
Features & Technology |
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| Headlight | — | DRLs LED |
Other Specifications |
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| Battery | — | 12 Volt, 10 Ah |
| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/11/scrambler-900-my23_jet-black_rhs_629px.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/11/scrambler-900_my23_matt-khaki_rhs_629px.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/11/scrambler-900_my25_icon-edition_rhs_629px.webp |
| Color Options | Electronic Orange | Kingfisher Blue | #2F5DAA Sapphire Black Aluminium Silver | #0D0D0F, #C0C3C7 Matt Khaki | #6B705C Jet Black | #000000 |
| 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. | Price and cost: Given its premium brand positioning, the Scrambler 900 is fairly expensive, which some buyers feel costs may not fully match value in its class. Heat and traffic comfort: Some riders report the side-exhaust layout and engine heat can become uncomfortable in heavy city traffic or slow riding conditions. Suspension and rough‐road handling: While capable, a few reviews mention that the suspension feels less compliant on very rough surfaces compared to more off-road-oriented bikes. Feature set vs competition: Some feedback notes that while the essentials are present, rider aids and advanced electronics may not be as rich as some rivals in the segment. |
| 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. | The Triumph Scrambler 900 comes with a 900cc parallel-twin engine that produces around 65 PS of power and 80 Nm of torque. These numbers may not look very high for its segment, but the way the engine works is quite simple and easy to live with. Most of the power comes in early, which means you don’t have to push the bike too hard. In daily riding, especially in city traffic, this helps because you don’t need to change gears again and again. The bike feels smooth and steady rather than fast or aggressive. It is paired with a 5-speed gearbox, which is a bit uncommon since many bikes today come with 6 gears. However, the gear ratios are set in a way that suits the engine well. At normal speeds, the bike doesn’t feel stressed, and riding feels relaxed. The throttle response is also calm and predictable, so it doesn’t feel jerky or difficult to control. The bike uses a steel frame with a 41 mm front fork and twin rear shock absorbers. The suspension has enough travel to handle normal Indian roads, but it is not meant for serious off-roading. It can deal with small bumps and rough patches, but sharper potholes can still be felt. Braking is handled by disc brakes at both ends, along with dual-channel ABS. It also gets traction control, which can be turned off if needed. The riding position is upright, with a wide handlebar and a comfortable seat. The seat height is around 790 mm, which makes it easier for many riders to reach the ground. However, the bike weighs around 223 kg, and that can be felt when moving it in parking areas or slow traffic. Once the bike is moving, the weight feels more manageable. One of the key design elements is the high-mounted exhaust on the side. It gives the bike a proper scrambler look, but it also means you can feel some heat, especially in traffic or during hot weather. The fuel tank capacity is about 12 litres, which is not very large, so you may need to refuel more often on long rides. The instrument cluster is simple, with a mix of analogue and digital display. It shows basic information like speed, fuel level, gear position, and riding modes. The bike comes with three riding modes – Road, Rain, and Off-road, which slightly change how the throttle and traction control behave. |
| Expert Review | MotoAutiv Team | The Triumph Scrambler 900 leans more towards a relaxed riding experience than outright performance, with strong low-end torque that suits Indian city conditions well. Its upright posture and accessible seat height make it comfortable, although the weight becomes noticeable in traffic and tight spaces. The suspension handles regular roads without much trouble, but sharper bumps can feel slightly firm despite its scrambler styling. Heat from the high-mounted exhaust is something riders are likely to notice, especially during slow-moving traffic in Indian summers. In terms of features, it stays simple and functional, lacking the modern tech seen in similarly priced motorcycles. Overall, it occupies a niche where design and riding character take priority over specifications or everyday practicality., 4.0, 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 engine does the Scrambler 900 use? A: It features a 900 cc liquid-cooled, 8-valve, SOHC parallel-twin engine with a 270° crank, producing 65 PS at 7,250 rpm and 80 Nm of torque at 3,250 rpm. Q: What is the seat height, wet weight and fuel tank capacity of the Scrambler 900? A: The seat height is 790 mm, the wet weight is about 223 kg, and the fuel tank capacity is 12 litres. Q: What riding modes and electronics does the Scrambler 900 offer? A: It comes with riding modes such as Road, Rain, and Off-Road, ride-by-wire throttle, switchable traction control, dual-channel ABS and an analogue speedometer with LCD multi-function display. Q: What are the wheel and tyre specifications on the Scrambler 900? A: The bike uses a 19″ front steel spoked wheel and a 17″ rear steel spoked wheel, fitted with Metzeler Tourance tyres (100/90-19 front, 150/70-R17 rear). Q: What is the starting price of the Scrambler 900 in India? A: The ex-showroom price starts from approximately ₹ 10,24,700 onwards. Q: Is the Scrambler 900 suitable for both city riding and light off-road use? A: Yes, with its upright riding position, 19″ front wheel, dual-purpose tyres and moderate seat height, it’s designed for urban versatility as well as light off-road exploration. Q: What is the claimed mileage of the Scrambler 900? A: It is claimed to deliver around ~23 km/l under mixed use according to ARAI figures in India. Q: What is the service interval for the Scrambler 900? A: The service interval is every 16,000 km (10,000 miles) or 12 months, whichever comes first. |
| Fuel System | — | Fuel Injection |
| Price Variants | | 475000 | Standard | 1024700 Icon | 1104700 |
| 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. | Strong engine character: The 900 cc high-torque twin offers enjoyable low and mid-range performance, making the bike fun in urban and highway use. Stylish retro-scrambler styling: Clean lines, high-mounted exhaust, 19″ front wheel and premium finish contribute to a distinctive look. Good build quality and rider comfort: Owners comment on the solid feel, comfortable posture, and the bike’s ability to handle imperfect roads well. Versatility for mixed terrain: While not a full hardcore off-roader, the Scrambler 900 offers a 19″ front wheel plus dual-purpose tyres and an upright position, making it suitable for light off-road as well as tarmac. |
| Starter | — | Self Start Only |
| Transmission | Manual | 5 speed |
