Quick Analysis
KTM 50 SX
11.5 pts
Unweighted: 6 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
SUZUKI ACCESS
20.5 pts
Unweighted: 17 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Displacement | 49.9 cc | 124 cm³ |
| Engine Type | 1-cylinder, 2-stroke engine | 4- Stroke, 1-Cylinder, Air Cooled |
| Power | 5.3 bhp @ 11500 rpm | 8.3 bhp @ 6500 rpm |
| Torque | 5.2 Nm @ 7500 rpm | 10.2 Nm @ 5000 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | 5.3 L |
| Mileage | 30 kmpl | 47 kmpl |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 106 kg (Std) | 105 kg (SE/RC) |
| Seat Height | 653 mm | 856 mm |
Brakes & Suspension |
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| Front Brake | Disc 160 mm | Drum |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Telescopic |
| Rear Brake | Disc 160 mm | Drum |
| Rear Suspension | XACT WP mono shock | Swing Arm |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 90/90 - 12 54J |
| Rear Tyre | 2.75 - 10 | 90/100 – 10 53J |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Steel |
Features & Technology |
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| Headlight | — | LED |
Other Specifications |
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| Battery | — | Maintenance Free 12V, 4Ah |
| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/11/access125solidicegreen.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/11/access125metallicmatstellarblue.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/11/access125pearlgracewhite.webp |
| Bike Image 4 | — | https://motoautiv.com/wp-content/uploads/2025/11/access125metallicmatblack.webp |
| Color Options | Electronic Orange | Metallic Mat Black Pearl Grace White Solid Ice Green Pearl Mat Aqua Silver Metallic Mat Stellar Blue |
| 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. | Not built for high-speed performance or long highway cruising. Rear suspension can feel slightly firm on broken or uneven roads. Storage space, while decent, may feel limited for riders who carry large items regularly. Basic rear drum brake may feel inadequate for riders who prefer stronger braking response. Design is simple and conservative, which may not appeal to those wanting a more sporty look. Slight vibrations can appear at higher speeds due to the light body structure. |
| 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. | When you hop on the Access 125, what meets you first is a welcoming, everyday-friendly vibe. At its heart is a compact 124 cc, single-cylinder, air-cooled engine with a SOHC, 2-valve setup — light, simple, reliable. The design isn’t meant to blast you away like a sport bike, but instead to give smooth, usable power for daily rides. Around 10.2 Nm of torque comes in at roughly 5000 rpm, with peak output somewhere near 6.2 kW at 6500 rpm. For city commutes or short weekend rides, it means you get responsive, steady acceleration without having to wring the throttle hard — perfect for negotiating traffic, overtaking slower vehicles, or pulling away smoothly from stops. Because the scooter uses a CVT transmission, there’s no clutch or shifting drama. Twist the throttle and go. This makes everyday usage — like stop-and-go traffic or hopping between lanes — remarkably effortless. The fuel injection system and refined intake and combustion design mean the engine runs clean and starts reliably, even on chilly mornings or after long idle periods. Ride-after-ride, what you feel is a predictable, stable engine behaviour — nothing jerky, nothing unpredictable — which lends confidence if you ride daily or in varied conditions. Physically, Access 125 keeps things light and manageable. With a kerb weight around 105-106 kg and relatively modest dimensions (overall length ~1835 mm, width around 680–690 mm, height ~1155 mm, and a wheelbase of 1260 mm), it’s narrow and compact enough to weave through tight traffic or squeeze into narrow parking spots. The ground clearance of about 160 mm gives a bit of buffer over uneven roads or small bumps — something you can appreciate in everyday city riding or in semi-urban streets. The seat and ergonomics are tuned for comfort: a long, flat seat plus a comfortable floorboard make the ride easy even when carrying a pillion or a bit of luggage. Ride quality itself is grounded and predictable: telescopic front suspension and a swing-arm rear take care of city potholes, speed-breakers, and rough patches without delivering bone-rattling shocks — not a plush tourer, but good enough for what most owners will use it for. The 12-inch front tyre and a 10-inch rear with tubeless setup help with stability and maneuverability — you feel confident while cornering or navigating uneven roads. Stopping and control are adequate for urban speeds. The front brake can be a disc (depending on variant) and the rear is a drum, working via a combined braking system; it gives enough bite to stop promptly in traffic or avoid a sudden hazard, while remaining gentle and manageable for new riders. Where the Access 125 really shines — beyond engine, weight, and ride quality — is in the everyday convenience and thoughtful features. The Bluetooth-enabled digital instrument console (on higher variants) isn’t just a gimmick: it lets you link your phone for turn-by-turn navigation, show call/SMS alerts, give overspeed warnings, and show useful ride data. For a city commuter, that’s a neat convenience — you don’t need separate gadgets on the handlebar, just glance down and get what you need. The LED headlight and tail-light, along with modern position markers, improve visibility at night and give the scooter a cleaner, more contemporary look. An external fuel-filler lid, dual front utility pockets, a large under-seat storage area enough for a full-face helmet plus bags or groceries — all these show the practical thinking behind the scooter. Add a USB charging port for your phone (on higher trims), long seat, generous floorboard and handy luggage hooks, and you see that Access is built to suit modern daily life — commuting, errands, occasional short trips, even small shopping runs. All this translates into a scooter that feels like a reliable companion rather than a flashy showpiece. It isn’t trying to be a high-speed performer, but for what it aims to do — city commuting, suburban errands, occasional out-of-town hops — it delivers a balanced, no-drama experience. It’s light enough to handle traffic, stable enough for moderate speed rides, efficient enough to ease fuel worries, and practical enough to make daily life smoother. Of course, this package comes with certain limitations. With its modest engine size and power output, you won’t get thrilling acceleration or high-speed performance. It’s not a machine for highway blasts or aggressive overtakes. On long, bumpy backroads or rough terrain, the basic suspension may start to show its limits — after all, it’s tuned for comfort and utility, not hardcore offroad or high-speed stability. For those needing heavy load-carrying, frequent long trips, or rapid acceleration, the Access will feel modest — though that’s also never what it was built for. In real ownership terms, the Access 125 with Bluetooth-enabled features feels like a well-thought-out daily rider: sensible, comfortable, easy to live with, and modern enough to match urban lifestyles. For city dwellers, college students, working professionals or anyone who wants a fuss-free scooter that doesn’t demand special riding skills or heavy maintenance — it strikes a strong balance of comfort, convenience, and reliability. If you dream of cruising highways at brisk speeds or carving corners — maybe look elsewhere; but if you want simple mobility, low fuss, and smart convenience, this scooter does its job with quiet confidence. |
| 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 engine capacity of the Access 125? A: The engine capacity is 124 cc. Q: What is the power and torque output? A: It produces around 8.6 PS of power and about 10.2 Nm of torque. Q: Does it use gears or a CVT? A: It uses a CVT automatic transmission, so there are no gears to shift. Q: What is the top speed? A: The top speed is around 90 km/h. Q: What is the mileage? A: The mileage is roughly 45 km/l in normal riding conditions. Q: What are the braking components? A: It gets a front disc brake in higher variants and a rear drum brake, supported by a combined braking system. Q: What is the fuel tank capacity? A: The fuel tank capacity is approximately 5.3 litres. Q: What are its dimensions? A: It is about 1835 mm long, 690 mm wide, 1155 mm tall, and has a 1260 mm wheelbase. Q: What is the seat height? A: The seat height is around 773 mm. Q: What is the kerb weight? A: The kerb weight is about 105–106 kg depending on the variant. Q: What convenience features does the Bluetooth-enabled version offer? A: It offers a digital console with Bluetooth connectivity, call and SMS alerts, navigation assistance, LED headlamp, USB charging port, external fuel filler, and good under-seat storage. Q: How is the suspension setup? A: It uses telescopic front forks and a swing-arm rear suspension, tuned for comfort in daily city riding. Q: Is it good for city riding? A: Yes, its light weight, smooth engine, and compact size make it very easy to handle in traffic. Q: Can it be used for highway rides? A: It can handle short highway stretches but is primarily designed for city commuting rather than high-speed touring. Q: Does it support both electric and kick start? A: Yes, it comes with both electric start and kick start options. |
| Fuel System | — | Fuel Injection |
| Price Variants | | 475000 | Standard | 77684 Special Edition | 83826 Ride Connect Edition | 88227 Ride Connect TFT Edition | 93877 |
| 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. | Smooth and refined 124 cc engine that feels effortless in daily city riding. Light weight and compact size make it extremely easy to handle in traffic. Good fuel efficiency, helping reduce daily running costs. Comfortable seat and relaxed riding posture suitable for both short and long city commutes. Telescopic front suspension gives better stability and ride comfort compared to basic scooters. Bluetooth-enabled digital console adds useful features like navigation alerts and call/SMS notifications. Practical touches like external fuel filler, large under-seat storage, front pockets, and USB charging. LED headlamp provides better visibility at night and a more premium feel. Low maintenance and known for reliability over long-term ownership. |
| Transmission | Manual | CVT |
