Quick Analysis
Bajaj Pulsar N125 LED Disc BT Variant
23.5 pts
Unweighted: 19 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 | 124.58cc | 49.9 cc |
| Engine Type | Air-cooled, Single-cylinder, 2-valve, SOHC | 1-cylinder, 2-stroke engine |
| Power | 12 PS @ 8500 rpm | 5.3 bhp @ 11500 rpm |
| Torque | 11 Nm @ 6000 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 | 145 | 41 |
| Seat Height | 795 | 653 |
Brakes & Suspension |
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| ABS | No | — |
| 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 | 60/100 - 12 |
| Rear Tyre | 110/80-17 | 2.75 - 10 |
| Tyre Type | Tube Less | 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/2025/06/Gray-citrus-rush.avif | — |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/06/purple-fury.avif | — |
| Cluster | Monochrome LCD + Bluetooth | — |
| Color Options | Pewter Grey / Citrus Rush | #62676C, #C8FF2E Cocktail Wine Red | #7A1F2D Purple Fury | #6A1B9A | Electronic Orange | #F2771A |
| Cons | The Seat Can Feel Firm on Longer Rides – During extended journeys, some riders may find the seat cushioning less accommodating than comfort-focused commuter motorcycles. Pillion Comfort Is Not a Major Focus – The stepped seat and sporty design prioritize styling and rider position more than passenger comfort. Engine Performance Is Strong for the Segment but Not Class-Leading – Riders expecting the acceleration of larger Pulsar models may find the performance modest, especially at higher speeds. Limited Wind Protection – As a naked street motorcycle, the rider is exposed to wind pressure on open highways. Rear Tyre Could Feel Narrow for Some Riders – While adequate for everyday use, some riders may prefer a wider rear tyre for visual appeal and additional road presence. Console Features Remain Basic Compared to Premium Rivals – Bluetooth connectivity is useful, but the display functionality is not as extensive as some feature-rich competitors. Suspension Prioritizes Handling Over Plushness – The setup works well in city conditions, but sharp bumps and rough roads can be felt more clearly than on softer commuter motorcycles. | 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 | The Bajaj Pulsar NS125 LED Disc BT is a motorcycle that brings the styling and design philosophy of the larger Pulsar NS models into the 125cc segment. It is positioned as a sporty commuter motorcycle, combining everyday practicality with features and styling elements that are commonly associated with higher-capacity street bikes. While it shares visual similarities with motorcycles such as the NS160 and NS200, its engine and overall package are tailored for riders looking for a balance between daily usability and a more engaging riding experience. The motorcycle is powered by a 124.45cc single-cylinder, air-cooled engine. This engine produces around 12 PS of power and 11 Nm of torque. The figures place it among the more powerful motorcycles in the 125cc category. Power is delivered through a five-speed gearbox, allowing the rider to select gears manually depending on road conditions and riding speed. The engine is designed to provide usable performance in urban traffic while also being capable of maintaining higher speeds when required. One of the key visual elements of the NS125 is its perimeter frame-inspired design. The motorcycle uses a chassis layout that contributes to its streetfighter appearance, with exposed frame sections and muscular tank shrouds giving it a larger visual presence than many commuter motorcycles. The fuel tank has a capacity of 12 litres, which is relatively generous for a motorcycle in this category and helps support longer riding distances between fuel stops. The suspension setup consists of telescopic front forks and a rear monoshock. The front suspension is responsible for absorbing bumps and maintaining steering stability, while the rear monoshock supports the motorcycle’s handling characteristics and rider comfort. This configuration is commonly used in motorcycles that aim to combine everyday commuting with a sportier riding feel. Braking duties are handled by a front disc brake and a rear drum brake. The front disc brake provides stronger braking performance and improved feel compared to a drum brake setup. Depending on the variant and market specification, the motorcycle is also equipped with a combined braking system that helps distribute braking force more effectively during routine riding situations. The LED Disc BT variant introduces several modern features. The most noticeable is the LED headlamp, which replaces traditional halogen lighting and contributes to a more contemporary appearance. LED lighting also generally consumes less electrical power while providing improved illumination. The motorcycle is also equipped with a digital instrument console that displays information such as speed, fuel level, trip readings, and other ride-related data. Bluetooth connectivity is another feature included in this version. Through smartphone pairing, riders can access functions such as call notifications and message alerts on the instrument display. These features are intended to improve convenience while keeping essential information accessible during everyday riding. The riding position is influenced by the motorcycle’s sporty design. The handlebar placement, fuel tank shape, and footpeg position create a posture that is slightly more forward-leaning than a traditional commuter motorcycle, while remaining suitable for regular city use. The seat is positioned at approximately 795 mm from the ground, making it accessible to a wide range of riders. The motorcycle weighs around 144 kg in running condition. This weight contributes to its road presence and stability while remaining manageable for everyday use. Alloy wheels, tubeless tyres, sharp bodywork, and aggressive graphics further reinforce the NS series identity. Overall, the Bajaj Pulsar NS125 LED Disc BT combines a 124.45cc engine, five-speed gearbox, front disc brake, Bluetooth-enabled digital console, LED lighting, and streetfighter-inspired styling into a motorcycle designed for urban commuting and general-purpose riding. Its specifications reflect a blend of commuter-focused functionality and design elements borrowed from larger motorcycles in the Pulsar NS family. | 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 NS125 LED Disc BT takes the styling and visual identity of the larger NS motorcycles and adapts it to the entry-level performance commuter segment. What stands out most is how the motorcycle manages to feel sportier than a typical 125cc commuter without becoming demanding to ride. The engine is responsive in city conditions, offering enough performance for everyday overtakes and traffic gaps, while the chassis gives the motorcycle a planted and confident feel when changing direction. The riding position strikes a middle ground between comfort and sportiness, making it suitable for daily use while still maintaining the character associated with the NS series. The addition of the LED headlamp and Bluetooth-enabled digital console modernizes the package, although the connected features remain relatively simple compared to some premium alternatives. On rough roads, the suspension can feel slightly firm, and the seat is better suited to shorter commutes than extended highway journeys. Overall, the motorcycle delivers a combination of sporty styling, accessible performance, and everyday usability that aligns closely with what many riders expect from a 125cc street motorcycle., 4.2, 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: Is Bajaj Pulsar NS125 a good bike for daily commuting? A: Yes, the Bajaj Pulsar NS125 is designed for everyday commuting and combines sporty styling with manageable performance and fuel efficiency. Q: What is the real mileage of Bajaj Pulsar NS125? A: The real-world mileage of the Bajaj Pulsar NS125 typically ranges between 50 km/l and 60 km/l, depending on riding conditions, traffic, and maintenance. Q: What is the top speed of Bajaj Pulsar NS125? A: The Bajaj Pulsar NS125 can achieve a top speed of approximately 100–105 km/h, depending on rider weight and road conditions. Q: Does Bajaj Pulsar NS125 have Bluetooth connectivity? A: Yes, the LED Disc BT variant includes Bluetooth connectivity with call alerts, message notifications, and basic smartphone integration. Q: Does Bajaj Pulsar NS125 have an LED headlamp? A: Yes, the latest LED Disc BT variant comes equipped with an LED headlamp. Q: What is the engine capacity of Bajaj Pulsar NS125? A: The motorcycle is powered by a 124.45cc single-cylinder, air-cooled engine. Q: What is the power output of Bajaj Pulsar NS125? A: The engine produces approximately 12 PS of power and 11 Nm of torque. Q: Is Bajaj Pulsar NS125 suitable for beginners? A: Yes, the motorcycle's manageable power delivery, lightweight nature, and predictable handling make it suitable for new riders. Q: What is the fuel tank capacity of Bajaj Pulsar NS125? A: The Bajaj Pulsar NS125 comes with a 12-litre fuel tank. Q: What is the kerb weight of Bajaj Pulsar NS125? A: The motorcycle weighs approximately 144 kg in running condition. Q: What is the seat height of Bajaj Pulsar NS125? A: The seat height is approximately 805 mm. Q: Which is better: Bajaj Pulsar NS125 or TVS Raider 125? A: The Pulsar NS125 focuses more on aggressive streetfighter styling and a larger-bike feel, while the TVS Raider 125 emphasizes modern features, refinement, and everyday practicality. Q: Which is better: Bajaj Pulsar NS125 or Hero Xtreme 125R? A: The Pulsar NS125 offers the familiar NS design language and established platform, whereas the Hero Xtreme 125R focuses on lighter weight, sporty handling, and contemporary styling. Q: Is Bajaj Pulsar NS125 comfortable for long rides? A: The motorcycle can handle occasional highway journeys, but its seat and sporty ergonomics are better suited to city commuting and shorter rides. Q: Does Bajaj Pulsar NS125 have a front disc brake? A: Yes, the LED Disc BT variant comes equipped with a front disc brake. | 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 | | 93456 | STD | 475000 |
| Pros | The Engine Feels Energetic in City Riding – The 124.45cc engine delivers its power in a lively manner, especially in the mid-range. This makes the motorcycle feel responsive during overtakes and while moving through urban traffic. Sporty Riding Position Without Being Extreme – The handlebar and footpeg placement create a slightly sporty posture, but it is still comfortable enough for everyday commuting. Sharp Styling Inspired by Larger NS Models – The muscular tank extensions, exposed perimeter frame, and aggressive bodywork give the motorcycle a bigger-bike appearance than many competitors in the segment. LED Headlamp Improves Visibility – The LED lighting setup provides a more modern look while also improving illumination compared to older halogen units. Bluetooth Connectivity Adds Useful Features – The digital console supports smartphone pairing for call alerts, message notifications, and other basic connected functions. Stable Handling in Urban Conditions – The chassis feels predictable and confidence-inspiring during daily riding, particularly when changing lanes or navigating traffic. Front Disc Brake Improves Braking Feel – The disc brake setup offers better braking confidence than drum-brake-only alternatives. Good Balance Between Commuting and Sporty Character – The motorcycle manages to feel more engaging than a typical commuter without becoming uncomfortable for everyday use. | 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 | Electric + Kick | Kick Start Only |
| Transmission | 5 Speed Manual | Manual |
