Quick Analysis
KTM 50 SX
9.5 pts
Unweighted: 4 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
TRIUMPH Bonneville T120
27.5 pts
Unweighted: 19 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
||
| Cooling System | — | Liquid cooled |
| Displacement | 49.9 cc | 1200 cc |
| Engine Type | 1-cylinder, 2-stroke engine | 8 valve, SOHC, 270° crank angle parallel twin |
| Power | 5.3 bhp @ 11500 rpm | 80 PS / 78.9 bhp (58.8 kW) @ 6550 rpm |
| Torque | 5.2 Nm @ 7500 rpm | 105 Nm @ 3500 rpm |
Performance & Efficiency |
||
| Fuel Tank Capacity | 2.3 L | 14.5 L |
| Mileage | 30 kmpl | 21 kmpl |
Dimensions & Weight |
||
| Kerb Weight | 41 kg | 236 kg |
| Seat Height | 653 mm | 790 mm |
Brakes & Suspension |
||
| ABS | — | Dual Channel ABS |
| Front Brake | Disc 160 mm | Twin 310mm discs, Brembo 2 piston floating caliper, ABS |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Ø41mm cartridge forks |
| Rear Brake | Disc 160 mm | Single 255mm disc, Nissin 2 piston floating caliper, ABS |
| Rear Suspension | XACT WP mono shock | Twin RSU’s, with pre-load adjustment |
Tyres & Wheels |
||
| Front Tyre | 60/100 - 12 | 100/90-18 |
| Rear Tyre | 2.75 - 10 | 150/70 R17 |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
||
| Headlight | — | DRLs LED |
Other Specifications |
||
| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/11/bonnevillet120jetblackfusionwhite.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/11/bonnevillet120jetblack.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/11/bonneville-t120_my25_icon-edition_rhs_629px.webp |
| Color Options | Electronic Orange | Crystal White / Cranberry Red Jet Black Sapphire Black Aluminium Silver Jet Black / Fusion White |
| 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. | Weight and low-speed manoeuvrability: Some riders find the bike heavy and less nimble in traffic or tight spaces compared to smaller or simpler machines. Engine heat & lingering vibration in city/traffic: During slow riding or stop-go traffic some owners report noticeable heat and vibrations, which can reduce comfort. Price premium & limited sporty excitement: The classic design and premium brand come at a higher cost, and while the T120 is capable, it may lack aggressive sport-bike feel for some riders. Touring and pillion comfort may be moderate: While comfortable overall, for longer rides or pillion use the ergonomics and suspension might show some compromise. |
| 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. | The Triumph Bonneville T120 stands as one of the most iconic motorcycles in Triumph’s modern classic lineup, blending timeless British design with contemporary performance and technology. Rooted in the legendary Bonneville heritage that dates back to the 1950s, the T120 continues to embody the essence of the classic roadster while offering modern-day comfort, reliability, and advanced engineering. It is a motorcycle that speaks directly to purists and enthusiasts who admire the combination of vintage aesthetics with refined, torquey performance. Powering the Bonneville T120 is a **1,200cc parallel-twin, liquid-cooled engine** tuned for strong mid-range performance. This high-torque motor delivers **80 PS at 6,550 rpm and 105 Nm of torque at just 3,500 rpm**, giving the bike effortless acceleration and flexible power delivery. The engine’s characterful sound and smooth response make it perfect for both relaxed cruising and brisk highway rides. The 5-speed gearbox complements the motor’s refined nature, providing seamless shifts and optimal control. Triumph has worked meticulously to ensure that the T120 feels both powerful and predictable, allowing riders to enjoy its torque-rich delivery without feeling overwhelmed. Design-wise, the Bonneville T120 is a stunning example of modern craftsmanship inspired by classic design cues. It proudly features **a sculpted fuel tank with chrome badges, round LED headlamps, twin-pod analogue dials, and elegant spoked wheels**, which pay homage to the original Bonneville models. Despite its retro look, the T120 incorporates modern-day technologies such as **ride-by-wire throttle, dual riding modes (Rain and Road), switchable traction control, cruise control, and ABS** — all seamlessly integrated without compromising its classic appeal. These features ensure safety, comfort, and adaptability in various riding conditions, making the T120 more than just a showpiece; it’s a truly practical classic. Comfort and ergonomics are central to the T120’s appeal. With its **790mm seat height** and upright riding position, it provides excellent comfort for long-distance rides as well as daily commutes. The wide handlebars and neutral footpeg positioning reduce fatigue during long journeys, while the well-cushioned seat ensures comfort for both the rider and the pillion. The T120 also benefits from lighter wheels and an improved suspension setup compared to earlier versions, enhancing handling and stability. Whether navigating city traffic or cruising on open highways, the bike feels stable, smooth, and confidence-inspiring. In terms of ride dynamics, the T120 isn’t about aggressive performance; it’s about **refined power and control**. The suspension, tuned for comfort, handles most road imperfections with ease, while the dual-disc braking setup offers reliable stopping power. Although it’s not a sportbike by nature, the T120 delivers an engaging riding experience with a perfect blend of nostalgia and capability. In conclusion, the **Triumph Bonneville T120** is a masterpiece that combines old-world charm with new-age engineering. It offers a relaxed yet powerful ride, luxurious design, and the unmistakable character of a true British classic. While it carries a premium price tag, what you get in return is a motorcycle that transcends trends — a timeless machine designed for riders who value elegance, craftsmanship, and a pure, unfiltered motorcycling experience. |
| 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 engine does the Bonneville T120 use? A: It uses a 1,200 cc, liquid-cooled, 8-valve SOHC parallel-twin engine with a 270° crank angle. Q: What are the power and torque figures of the T120? A: The T120 produces about 80 PS (78.9 bhp) at 6,550 rpm and 105 Nm of peak torque at 3,500 rpm. Q: What is the seat height and wet weight of the T120? A: The seat height is approximately 790 mm and the wet weight is around 236 kg for the standard T120. Q: What fuel tank capacity does it have and what is the real-world mileage? A: The fuel tank capacity is 14.5 litres. Real-world reports suggest highway mileage over 30 km/l at steady speed, while city mileage may be lower. Q: What technologies and rider aids are included on the T120? A: The T120 features ride-by-wire throttle, two riding modes (Rain & Road), switchable traction control, ABS, cruise control, and a twin-dial analogue speedometer/tachometer with LCD multi-function display. Q: Is the T120 suitable for both commuting and longer rides? A: Yes — with its upright ergonomics, comfortable seating, manageable seat height and modern features like cruise control, the T120 is well-suited for both everyday use and relaxed rides. Q: What is the price of the T120 in India? A: The ex-showroom price for the T120 in India starts around ₹ 11.09 lakh (for 2023 model) in Jet Black colour. Q: What is the service interval or maintenance schedule of the T120? A: The service interval is approximately every 16,000 km (10,000 miles) or 12 months, whichever comes first. |
| Price Variants | | 475000 | Standard | 1185000 |
| 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. | Strong engine character: The 1,200 cc parallel-twin delivers about 80 PS and 105 Nm of torque, with a broad usable mid-range that enhances everyday riding. Classic retro styling with premium finishes: The T120 brings iconic good looks, chrome detailing, twin instruments and modern touches while retaining nostalgic charm. Improved handling compared to prior models: Lighter wheels, refined chassis and tuned suspension contribute to better agility and road-holding for a modern classic. High build and feature level: Ride-by-wire throttle, switchable traction control, dual-channel ABS, USB port and modern electronics make it relevant for today’s riding. |
| Transmission | Manual | 6-speed |
