Quick Analysis
Bajaj Pulsar N125 (new)
21.5 pts
Unweighted: 18 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
KTM 50 SX
8.5 pts
Unweighted: 4 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Air‑cooled | Liquid Cooled |
| Displacement | 124.58 cc | 49.9 cc |
| Engine Type | Single Spark, 2‑Valve | 1-cylinder, 2-stroke engine |
| Power | 12 PS @ 8,500 rpm | 5.3 bhp @ 11500 rpm |
| Torque | 11 Nm @ 6,000 rpm | 5.2 Nm @ 7500 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 9.5 L | 2.3 L |
| Mileage | 58 Kmpl | 30 kmpl |
Dimensions & Weight |
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| Kerb Weight | 125 | 41 |
| Seat Height | 795 | 653 |
Brakes & Suspension |
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| Front Brake | 240 mm Disc | Disc 160 mm |
| Front Suspension | Telescopic, 125 mm stroke | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Rear Brake | 130 mm Drum | Disc 160 mm |
| Rear Suspension | Monoshock, 125 mm stroke | XACT WP mono shock |
Tyres & Wheels |
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| Front Tyre | 80/100‑17 Tubeless | 60/100 - 12 |
| Rear Tyre | 110/80‑17 Tubeless | 2.75 - 10 |
| Tyre Type | Tubeless | Tubed |
| Wheel Type | Alloy | Spoke |
Features & Technology |
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| Headlight | LED with AHO | — |
Other Specifications |
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| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/07/wine-red-1.avif | — |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/07/purple-fury.avif | — |
| Cluster | Fully digital LCD | — |
| Color Options | Ebony Black Cocktail Wine Red | #111111, #7A0019 Ebony Black Purple Fury | #111111, #5A2D82 Pewter Grey Citrus Rush | #6E7378, #C7D300 | Electronic Orange | #F2771A |
| Cons | Highway performance is naturally limited by the 125cc engine capacity, especially during high-speed overtakes or when carrying a pillion rider. The motorcycle does not offer the extensive feature list found on some premium rivals that include advanced connectivity options and larger displays. Rear seat comfort is adequate for short and medium journeys but may feel less spacious during longer rides. Engine refinement is generally good for daily use, but vibrations can become noticeable near the upper end of the rev range. Wind protection is minimal because of the naked streetfighter design, making sustained highway speeds less comfortable. Some riders may find the sporty styling more appealing than the actual performance delivered by the 125cc engine. The compact dimensions that help in city traffic can make the motorcycle feel slightly small for taller riders. | 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. Parts Cost & Availability: As a race‑oriented bike, some parts can be expensive or harder to source for older models. |
| Detailed Overview | At first look, the Bajaj Pulsar N125 doesn’t immediately feel like a typical 125cc commuter. Its sharp tank extensions, compact tail section and aggressive headlamp design borrow heavily from the larger Pulsar N-series motorcycles, giving it a sportier appearance than many motorcycles in this category. Despite the muscular styling, the bike remains compact and lightweight, which becomes noticeable while moving through traffic or squeezing into tight parking spaces. The motorcycle is powered by a 124.58cc single-cylinder engine that produces around 12 PS of power and 11 Nm of torque. The engine is paired with a 5-speed gearbox and is tuned to deliver usable performance in everyday riding conditions. In city traffic, acceleration feels responsive enough for quick overtakes and gap-finding, while the extra gear helps the engine stay relatively relaxed when cruising at higher speeds. Rather than chasing outright performance figures, the setup focuses on maintaining a balance between efficiency and everyday usability. One of the characteristics that shapes the riding experience is the motorcycle’s low kerb weight of around 125 kg. The light chassis helps the bike change direction easily and makes low-speed handling feel less demanding, especially in crowded urban environments. Riders who spend most of their time navigating traffic signals, market roads and daily office routes are likely to notice this trait more than the power figures themselves. The suspension setup consists of telescopic front forks and a rear monoshock. Instead of feeling overly soft or excessively firm, the setup is intended to cope with a mix of city roads, speed breakers and uneven patches commonly encountered during daily commuting. The monoshock arrangement also contributes to the motorcycle’s cleaner side profile while helping maintain stability during regular riding conditions. The braking system combines a front disc brake with a rear drum brake and is supported by CBS (Combined Braking System). Alloy wheels and tubeless tyres come as standard equipment, reducing the inconvenience associated with punctures and routine maintenance. These components are chosen more for practicality than performance-focused riding. The digital instrument console adds a modern touch to the motorcycle. Depending on the variant, riders can access information such as speed, fuel level, trip details and smartphone notification functions through Bluetooth connectivity. This allows the motorcycle to offer some connected features without moving into the premium segment. A 9.5-litre fuel tank works alongside the fuel-efficient engine to provide a useful riding range for daily commuting. Actual fuel economy depends on traffic conditions, rider inputs and maintenance, but the motorcycle is designed to keep running costs manageable while retaining the sporty styling associated with the Pulsar brand. Overall, the Pulsar N125 combines a lightweight chassis, a 124.58cc engine, monoshock suspension, digital instrumentation and contemporary streetfighter-inspired styling into a motorcycle intended primarily for everyday urban transportation and regular commuting duties. | 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. |
| Expert Review | The Bajaj Pulsar N125 is built around the idea of bringing the styling and feel of a modern streetfighter motorcycle into the 125cc segment. Its compact dimensions and lightweight chassis make it particularly easy to handle in city traffic, while the engine delivers enough performance for everyday commuting without becoming demanding to ride. The motorcycle feels agile during direction changes, and the riding position strikes a balance between comfort and a slightly sporty character. Design plays a significant role in its identity, with sharp bodywork, bold graphics, and styling cues borrowed from larger Pulsar N-series models. The suspension setup is tuned for daily road conditions and handles common urban imperfections without feeling overly stiff. While the motorcycle remains focused on practical transportation, its visual design and riding dynamics give it a character that differs from more conventional commuter motorcycles., 4.4, MotoAutiv Team | The KTM 50 SX is powered by a 49.9cc liquid-cooled two-stroke engine producing 5.4 PS at 11,500 rpm, designed as an entry-level mini motocross bike for young riders aged 7 and above beginning their competitive racing journey. The engine uses a 3-shaft design with the crankshaft positioned near the center of gravity, and features a centrifugal automatic clutch that reduces complexity and boosts riding confidence for inexperienced riders. The chassis features a chromium-molybdenum steel frame paired with a state-of-the-art WP XACT AER fork and fully adjustable monoshock, providing precision handling suitable for learning racing technique. In the Indian context, the 50 SX serves as an ideal entry platform for children with access to organized motocross training facilities in urban centers, though its competitive pricing and maintenance requirements make it best suited for families committed to structured racing programs rather than casual riding., 4.5, MotoAutiv Team |
| FAQ (Manual Override) | Q: What engine does the Bajaj Pulsar N125 use? A: The motorcycle is powered by a 124.58cc single-cylinder, air-cooled engine. Q: How much power does the Pulsar N125 produce? A: The engine produces approximately 12 PS of power and 11 Nm of torque. Q: What mileage does the Bajaj Pulsar N125 deliver? A: Real-world mileage generally ranges between 50–60 km/l depending on riding style, traffic conditions, and maintenance. Q: What is the top speed of the Pulsar N125? A: The motorcycle has an approximate top speed of around 100–105 km/h. Q: Is the Pulsar N125 suitable for highway riding? A: Yes, it can handle occasional highway trips comfortably, though it is primarily designed for city commuting and daily transportation. Q: What type of brakes does the Pulsar N125 use? A: The motorcycle comes with a front disc brake and rear drum brake setup along with CBS (Combined Braking System). Q: Does the Bajaj Pulsar N125 have ABS? A: No, the Pulsar N125 does not offer ABS. It uses CBS for braking assistance. Q: What suspension setup does the Pulsar N125 use? A: It uses telescopic front forks and a rear monoshock suspension. Q: What is the fuel tank capacity of the Pulsar N125? A: The motorcycle comes with a fuel tank capacity of approximately 9.5 litres. Q: What is the kerb weight of the Pulsar N125? A: The bike weighs around 125 kg, making it one of the lighter motorcycles in its segment. Q: Does the Pulsar N125 use tubeless tyres? A: Yes, the motorcycle comes with tubeless tyres fitted on alloy wheels. Q: Does the Pulsar N125 have a digital instrument cluster? A: Yes, it features a digital instrument console that displays ride-related information clearly. Q: Does the Pulsar N125 support Bluetooth connectivity? A: Selected variants offer Bluetooth connectivity with call and notification alerts. Q: Is the Bajaj Pulsar N125 beginner-friendly? A: Yes, its lightweight handling, predictable power delivery, and manageable dimensions make it suitable for new riders. Q: Is the Pulsar N125 a commuter motorcycle or a streetfighter? A: It is generally classified as a sporty commuter/streetfighter-style motorcycle, combining commuter practicality with design elements inspired by larger naked street motorcycles. | 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: What is the fuel tank capacity of KTM 50 SX? A: The fuel tank capacity is 2.3 litres. Q: What is the seat height of KTM 50 SX? A: The seat height is 653 mm. Q: What is the weight of KTM 50 SX? 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 KTM 50 SX 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 KTM 50 SX 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 of KTM 50 SX? 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 in KTM 50 SX? A: Some owners report carburetor tuning issues |
| Fuel System | Fuel Injection | — |
| Price Variants | LED Disc BT | 92270 | STD | 475000 |
| Pros | The motorcycle feels light and easy to maneuver, which makes it convenient for city traffic, tight turns, and everyday commuting. The 124.58cc engine offers a good balance of performance and fuel efficiency. Acceleration feels quick enough for urban riding and regular overtakes. The sporty streetfighter-inspired design gives the bike a more modern and aggressive appearance than many traditional commuter motorcycles in the 125cc segment. The riding posture remains comfortable for daily use, with an upright handlebar position and a natural seating arrangement. Fuel efficiency is practical for everyday commuting, with real-world mileage generally ranging between 50–60 km/l depending on riding conditions. The digital instrument cluster and modern styling elements help the motorcycle feel more contemporary than several conventional commuter alternatives. Suspension tuning balances comfort and handling reasonably well, allowing the bike to remain comfortable on uneven roads while retaining stability around corners. The lightweight chassis contributes to confident low-speed handling and easier parking or maneuvering in crowded areas. | 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. |
| Starter | ISG + Kick | Kick Start Only |
| Transmission | 5‑speed | Manual |
