Quick Analysis
Bajaj Pulsar 125
26.5 pts
Unweighted: 21 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
KTM 50 SX
8.5 pts
Unweighted: 6 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
||
| Cooling System | Air‑cooled | Liquid Cooled |
| Displacement | 124.4 cc | 49.9 cc |
| Engine Type | 4-Stroke, 2-Valve, Twin Spark BSVI Compliant Engine | 1-cylinder, 2-stroke engine |
| Power | 8.68 kW (11.8 PS) @ 8500 rpm | 5.3 bhp @ 11500 rpm |
| Torque | 10.8 Nm @ 6,500 rpm | 5.2 Nm @ 7500 rpm |
Performance & Efficiency |
||
| Fuel Tank Capacity | 15 L | 2.3 L |
| Mileage | 51.46 Kmpl | 30 kmpl |
Dimensions & Weight |
||
| Kerb Weight | Split: 144 / Single: 146 | 41 |
| Seat Height | 795 | 653 |
Brakes & Suspension |
||
| Front Brake | 240 mm Disc | Disc 160 mm |
| Front Suspension | 30mm Telescopic forks | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Rear Brake | 130 mm Drum | Disc 160 mm |
| Rear Suspension | Twin Hydraulic Suspension | XACT WP mono shock |
Tyres & Wheels |
||
| Front Tyre | 80/100 × 17 Tubeless | 60/100 - 12 |
| Rear Tyre | 100/90 × 17 Tubeless | 2.75 - 10 |
| Tyre Type | Tubeless | Tubed |
| Wheel Type | Alloy | Spoke |
Features & Technology |
||
| Headlight | 12 V HS1 35/35 W | — |
Other Specifications |
||
| Battery | DC, 12V, 4Ah VRLA | — |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/07/black-2.avif | — |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/07/cyan.avif | — |
| Bike Image 3 | https://motoautiv.com/wp-content/uploads/2025/07/red-3.avif | — |
| Bike Image 4 | https://motoautiv.com/wp-content/uploads/2025/07/gold.avif | — |
| Cluster | Fully Digital LCD | — |
| Color Options | Racing Red Tan Beige | #A50000, #C7A27C Black Race Red | #111111, #B00000 Black Cyan Blue | #111111, #00A3C7 Black Dark Grey | #111111, #5C6166 Black Gold | #111111, #B08D57 | Electronic Orange | #F2771A |
| Cons | The feature list feels basic compared to some newer 125cc motorcycles that offer fully digital displays, Bluetooth connectivity, and additional rider information. Engine vibrations become noticeable at higher RPMs and prolonged highway speeds. The motorcycle carries more weight than several competitors in the segment, which can make low-speed maneuvering feel slightly heavier. Rear suspension comfort can feel firm on badly broken roads, especially when riding solo. The design has evolved gradually over the years, so some buyers may find it less modern than newer rivals. Highway performance remains limited by the engine capacity, particularly when riding with a pillion or luggage at higher speeds. Lighting and instrumentation remain relatively simple on lower variants. | 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 125 is a motorcycle that combines the practicality of a commuter bike with styling elements that are usually associated with larger motorcycles. It is designed for riders who want a motorcycle for daily transportation but also prefer a sportier appearance and a slightly more engaging riding experience than a traditional commuter model. The bike carries the familiar Pulsar design language, including a muscular fuel tank, sporty graphics, split grab rails on selected variants, and body panels that give it a larger road presence than many motorcycles in the 125cc category. Power comes from a 124.4cc single-cylinder, air-cooled DTS-i engine paired with a 5-speed gearbox. The engine produces around 11.8 PS of power and 10.8 Nm of torque. The tuning focuses on providing a balance between fuel efficiency and usable performance. In city traffic, the motorcycle feels responsive enough for daily commuting, while the engine also has sufficient power for occasional highway rides. The 5-speed transmission helps maintain smoother engine operation at moderate cruising speeds and allows the rider to make better use of the available power across different road conditions. Fuel efficiency is one of the important aspects of the Pulsar 125. Under normal riding conditions, real-world mileage generally ranges between 50 and 60 km/l, depending on traffic, riding style, road conditions, and maintenance. The motorcycle is equipped with an 11.5-litre fuel tank, which provides a useful riding range and reduces the need for frequent fuel stops during daily commuting. The riding position is designed to balance comfort and control. The handlebar is positioned in a way that allows a slightly sporty feel without putting excessive pressure on the rider’s wrists. The footpegs and seat placement create a natural riding posture that works well for city riding as well as longer daily commutes. The seat is wide enough for both rider and pillion, and the overall ergonomics are intended to support regular use in different riding environments. Suspension duties are handled by telescopic front forks and twin rear shock absorbers. The setup is tuned to absorb common road imperfections such as potholes, speed breakers, and uneven surfaces. This allows the motorcycle to remain comfortable during everyday riding while also maintaining stability on smoother roads. The chassis provides predictable handling characteristics, making the bike easy to maneuver in traffic and around corners at normal riding speeds. Braking performance depends on the variant selected. Higher variants are equipped with a front disc brake, while other versions use drum brakes. All variants use Combined Braking System (CBS), which helps distribute braking force between the front and rear wheels during braking. The motorcycle rides on alloy wheels fitted with tubeless tyres, which add convenience during punctures and routine maintenance. The instrument cluster combines analogue and digital elements. Riders can view information such as speed, fuel level, odometer readings, and other basic ride-related data. The layout remains straightforward and easy to read. Unlike some newer motorcycles in the segment, the Pulsar 125 does not focus heavily on connected technology or smartphone integration. The overall character of the motorcycle is shaped by its combination of commuter-friendly mechanics, sporty styling, practical ergonomics, and everyday usability. Its engine, suspension, braking system, and riding position are designed to handle regular commuting requirements while maintaining the visual identity associated with the Pulsar series. | 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 | he Bajaj Pulsar 125 takes the familiar Pulsar formula and adapts it for riders looking for everyday practicality with a slightly sportier feel than a conventional commuter bike. The 124.4cc engine delivers smooth low and mid-range performance, which suits city traffic and routine commuting, while still providing enough response for occasional highway use. What stands out most is how the motorcycle carries the visual proportions and road presence of a larger bike despite belonging to the 125cc category. The riding posture feels natural for daily use, and the suspension setup is tuned to balance comfort and stability across different road conditions. The motorcycle does not focus heavily on modern electronics or premium features, instead relying on straightforward mechanical simplicity and familiar riding characteristics. Engine refinement remains acceptable for regular use, though vibrations become more noticeable as speeds increase. The overall package is centered around everyday usability, balanced performance, and the established character associated with the Pulsar name., 4.3, 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 125 use? A: It is powered by a 124.4cc single-cylinder, air-cooled, DTS-i engine. Q: How much power does the Pulsar 125 produce? A: The engine produces approximately 11.8 PS of power and 10.8 Nm of torque. Q: What mileage does the Bajaj Pulsar 125 deliver? A: Real-world fuel efficiency generally ranges between 50–60 km/l depending on riding conditions and maintenance. Q: What is the top speed of the Pulsar 125? A: The motorcycle can reach an approximate top speed of around 100–105 km/h. Q: Is the Bajaj Pulsar 125 suitable for highway riding? A: Yes, it can handle occasional highway rides comfortably, although it is primarily designed for city commuting and everyday transportation. Q: Does the Pulsar 125 have a front disc brake? A: Yes, higher variants are equipped with a front disc brake, while some variants are available with drum brakes. Q: Does the Bajaj Pulsar 125 have ABS? A: No, the Pulsar 125 does not offer ABS. It uses CBS (Combined Braking System). Q: What suspension setup does the Pulsar 125 use? A: The motorcycle uses telescopic front forks and twin rear shock absorbers. Q: What is the fuel tank capacity of the Pulsar 125? A: The motorcycle comes with a 11.5-litre fuel tank. Q: What is the kerb weight of the Bajaj Pulsar 125? A: Depending on the variant, kerb weight is approximately 140–142 kg. Q: Does the Pulsar 125 use tubeless tyres? A: Yes, all variants come equipped with tubeless tyres. Q: Is the Bajaj Pulsar 125 beginner-friendly? A: Yes, the motorcycle offers predictable power delivery, comfortable ergonomics, and manageable performance, making it suitable for new riders. Q: Does the Pulsar 125 have Bluetooth connectivity? A: No, the standard Pulsar 125 does not offer Bluetooth connectivity or smartphone integration. Q: What type of instrument cluster does the Pulsar 125 get? A: The motorcycle uses a semi-digital instrument cluster with an analogue tachometer and digital information display. Q: Is the Bajaj Pulsar 125 a commuter motorcycle or a sports bike? A: The Pulsar 125 is generally classified as a sporty commuter motorcycle. It combines commuter-bike practicality with styling and riding characteristics inspired by larger Pulsar models. | 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 | Single Seat | 92170 Split Seat | 94229 Neon Single Seat | 107675 | STD | 475000 |
| Pros | The 124.4cc engine offers stronger performance than most basic commuter motorcycles, making overtakes and daily city riding feel easier without significantly affecting fuel efficiency. The motorcycle retains the familiar Pulsar design language, giving it a larger and more muscular appearance than many other bikes in the 125cc segment. Ride quality is well balanced for everyday use. The suspension setup handles potholes, speed breakers, and uneven roads reasonably well while maintaining stability at regular commuting speeds. The riding position strikes a good balance between comfort and sportiness. The handlebar and footpeg placement allow comfortable daily commuting without feeling overly upright or aggressive. Fuel efficiency remains practical for daily use, with real-world mileage generally ranging between 50–60 km/l depending on riding conditions. The front disc brake variant provides better stopping confidence than many entry-level commuter motorcycles that rely entirely on drum brakes. Spare parts availability, service network reach, and maintenance costs are generally manageable due to the widespread presence of the Pulsar lineup across India. The motorcycle feels stable at moderate highway speeds compared to many lightweight commuter-focused alternatives. | 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 |
