Quick Analysis
KTM 50 SX
17.5 pts
Unweighted: 8 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
OLA ROADSTER PRO
13.0 pts
Unweighted: 12 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | — | Liquid-cooled motor |
| Displacement | 49.9 cc | — |
| Engine Type | 1-cylinder, 2-stroke engine | Electric motor |
| Power | 5.3 bhp @ 11500 rpm | 52 kW |
| Torque | 5.2 Nm @ 7500 rpm | 105 Nm |
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 | — |
| Seat Height | 653 mm | — |
Brakes & Suspension |
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| ABS | — | Dual-channel ABS |
| Front Brake | Disc 160 mm | Double disc |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | USD |
| Rear Brake | Disc 160 mm | Disc |
| Rear Suspension | XACT WP mono shock | Monoshock absorber |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 120/70 ZR17 |
| Rear Tyre | 2.75 - 10 | 180/55 ZR17 |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
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| Headlight | — | LED projector |
Other Specifications |
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| Battery | — | 8 kWh (lower variant) or 16 kWh (top variant) |
| Cluster | — | 10-inch TFT touchscreen |
| Color Options | Electronic Orange | Pro |
| 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 vary: High speeds, heavy traffic, and frequent hard acceleration can reduce range noticeably compared to claims. Charging time is longer than refuelling: Even with good range, charging still takes time, which can be inconvenient for spontaneous long trips. Heavier than petrol bikes: The large battery increases weight, making the bike feel bulkier during tight manoeuvres or parking. Charging infrastructure limitations: If you don’t have home charging, or if public chargers are sparse in your area, usage can become restrictive. High upfront price: The initial cost is significantly more than mainstream petrol motorcycles, and may not suit budget-focused buyers. Electric feel may not appeal to some riders: Absence of sound, gears, and engine character may feel less engaging for petrol-bike enthusiasts. Long-term battery concerns: Battery degradation over years, replacement cost, and service availability remain important unknowns for many EV buyers. |
| 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. | Riding the Roadster Pro feels like stepping into a different era of motorcycling — one where silence meets sudden thrust and tech merges with raw, electric-driven energy. Under its sleek body sits not a traditional petrol engine, but a liquid-cooled, frame-mounted electric motor that delivers a peak output of 52 kW and a healthy 105 Nm of torque. That translates into an immediate twist of the throttle and a punch of power that launches you effortlessly — the 16 kWh variant claims a 0–40 km/h sprint in just 1.2 seconds. On city roads this means sharp overtakes, quick starts at traffic lights, and a lively, agile ride through traffic. Once you’re rolling, the bike doesn’t feel like an electric compromise — it feels like a proper performance machine. The top-end 16 kWh version is rated for up to 194 km/h, which is more than enough for highway stretches or spirited rides outside the city. For those who prefer a lighter, possibly more affordable option, there’s also an 8 kWh battery configuration that offers a decent lower-performance balance (though the 16 kWh is the flagship setup). Range worries — a big concern with EVs — get a strong answer here. On a full charge, the 16 kWh version is claimed to deliver up to 579 km (under IDC certification). Even the 8 kWh version promises a respectable 316 km per charge. That kind of range, in practical terms, could cover several days of commuting or even a mix of city + occasional long rides before needing to plug in. You don’t need a clutch or manual gears — the transmission is automatic, and starting is as simple as a push-button click. Because there’s no fuel tank or conventional engine, many of the traditional hassles go away: no oil changes, no engine tuning, no fuel stops. Instead, you charge — overnight at home or whenever power is available — and ride. What about comfort and control? Roadster Pro does well here too. Up front it sports USD (upside-down) forks, and at the rear a monoshock setup. That combination gives a balanced ride: stable and planted at speed, yet forgiving enough for potholes, uneven surfaces, and the patchwork roads you often encounter. Alloy wheels fitted with tubeless tyres contribute to better handling and easy maintenance. Braking and safety aren’t Afterthoughts. The bike brings disc brakes on both ends and a dual-channel ABS system — giving you dependable stopping power even when speed or traffic demands quick reactions. For many riders, especially in busy urban settings or mixed-terrain commutes, that dual-disc + ABS combo brings peace of mind. Ride quality and features push the feel into the “modern motorcycle” zone. A 10-inch TFT touchscreen (with touch response) serves as the instrument cluster. Through it, you get ride-modes (Hyper, Sport, Normal, Eco), connectivity features, and what Ola calls “smart” tech — traction control, tyre-pressure monitoring, digital key / app connectivity, possibly ride-assist features. For a daily rider, those things make commuting easier, rides safer, and the ownership experience more premium. Because it runs on a 16 kWh (or 8 kWh) lithium-ion battery pack, there’s no “fuel tank capacity” in the traditional sense. That also means no fuel system to worry about — no petrol, no carburetor or fuel injection, just clean, quiet electric drive. Water and dust protection are taken care of with a decent IP-rating (for the battery/motor area), adding a layer of comfort especially on rough or wet Indian roads. On the ownership side, this means fewer mechanical parts, simpler maintenance, and a fundamentally quieter and cleaner ride. For people commuting daily, cruising in traffic, or doing moderate-distance rides, Roadster Pro can offer a terrific balance of performance and convenience. But it’s not all ideal. Because charging still takes time, and because range — though impressive on paper — depends heavily on how you ride (speed, stop-start, load, terrain), you need to be mindful. Long highway runs at high speed or frequent short rides under stop-go traffic will eat battery faster. Also, while the tech and features are premium, real-world handling of charging infrastructure, long-term battery health, and actual range will matter more in everyday use than headline numbers. In practical use, the Roadster Pro offers what a modern, high-performance, electric-motorcycle should: raw acceleration, high top speed, long range (on battery), a comfortable and stable ride setup, strong brakes and safety, minimal maintenance demands, and a tech-laden, future-friendly user experience. If you ride regularly, like a mix of city and highway, and have access to charging, it can be a real alternative to a conventional petrol bike — with quieter rides, fewer hassles, and electric torque on tap. |
| 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 top speed of the Ola Roadster Pro? A: The top speed is around 194 km/h (for the 16 kWh variant). Q: What is the range of the Ola Roadster Pro? A: The 16 kWh variant delivers up to around 579 km per charge (IDC). Q: What is the acceleration of the Roadster Pro? A: It can accelerate from 0–40 km/h in about 1.2 seconds (16 kWh variant). Q: What is the power output of the Ola Roadster Pro? A: The peak power is around 52 kW. Q: What is the torque of the Ola Roadster Pro? A: It produces about 105 Nm of torque instantly. Q: What type of battery does the Roadster Pro use? A: It uses an IP-rated lithium-ion battery pack (8 kWh or 16 kWh options). Q: Does the Roadster Pro have ABS? A: Yes, it comes with dual-channel ABS. Q: What kind of brakes does the bike have? A: It gets disc brakes at both front and rear. Q: What suspension setup does the Roadster Pro use? A: It uses USD (upside-down) forks at the front and a rear monoshock. Q: What features does the instrument cluster offer? A: It has a 10-inch TFT touchscreen with ride modes, navigation, TPMS, and connectivity features. Q: Do I need to shift gears on the Roadster Pro? A: No, it has an automatic transmission since it’s an electric motorcycle. Q: What is the charging method? A: It charges through a standard home charger; fast charging availability depends on Ola’s network. Q: What is the weight of the Ola Roadster Pro? A: Kerb weight differs by variant but is on the heavier side due to the large battery pack. Q: What colours are available for the Roadster Pro? A: Currently it comes in a single colour theme with a dark body and orange accents. Q: Is it suitable for long-distance rides? A: Yes, especially the 16 kWh variant, though charging availability should be considered for highway travel. |
| Price Variants | | 475000 | 8 kWh | 199999 16 kWh | 249999 |
| 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. | Instant acceleration: The electric motor delivers strong, immediate torque, making the bike extremely quick off the line and effortless to ride in traffic. High top-speed capability: The performance of the stronger battery variant allows highway speeds with ease. Excellent claimed range: The larger battery variant offers enough range for multiple days of commuting without daily charging. Low running and maintenance costs: No petrol, no engine oil, no clutch, fewer moving parts — long-term upkeep stays simple. Smooth and stable ride: USD front forks and a rear monoshock give a confident, planted feel on both smooth highways and rough city roads. Strong braking package: Dual disc brakes with dual-channel ABS offer very controlled and predictable stopping power. Modern features: Large TFT touchscreen, ride modes, connectivity, TPMS, traction aids, and app functions add a premium, futuristic experience. Silent and vibration-free: No engine noise or vibration makes city riding very pleasant and fatigue-free. |
| Transmission | Manual | Automatic |
