Quick Analysis
KTM 50 SX
6.5 pts
Unweighted: 3 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Triumph Tiger Sport 660
31.0 pts
Unweighted: 20 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | — | Liquid-cooled |
| Displacement | 49.9 cc | 660 cc |
| Engine Type | 1-cylinder, 2-stroke engine | 12 valve, DOHC, inline 3-cylinder, 240° firing order |
| Power | 5.3 bhp @ 11500 rpm | 81 PS / 80 bhp (59.6 kW) @ 10,250 rpm |
| Torque | 5.2 Nm @ 7500 rpm | 64 Nm @ 6,250 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | 17.2 L |
| Mileage | 30 kmpl | 22 l |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 206 kg |
| Seat Height | 653 mm | 835 mm |
Brakes & Suspension |
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| ABS | — | Dual Channel ABS |
| Front Brake | Disc 160 mm | Nissin two-piston sliding calipers, twin 310mm discs, ABS |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Showa 41mm upside down separate function cartridge forks, 150mm wheel travel |
| Rear Brake | Disc 160 mm | Nissin single-piston sliding caliper, single 255mm disc, ABS |
| Rear Suspension | XACT WP mono shock | Showa monoshock RSU, with remote hydraulic preload adjustment, 150mm wheel travel |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 120/70 ZR 17 (58W) |
| Rear Tyre | 2.75 - 10 | 180/55 ZR 17 (73W) |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Alloy |
Features & Technology |
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| Headlight | — | DRLs LED |
Other Specifications |
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| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/10/Triumph-Tiger-Sport-660.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/10/Triumph-Tiger-Sport-660-3.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/10/Triumph-Tiger-Sport-660-2.webp |
| Color Options | Electronic Orange | Lucerne Blue & Sapphire Black Jet Black / Graphite Graphite & Sapphire Black Snowdonia White / Jet Black |
| 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. | Premium price: The cost of the bike and optional accessories can be high relative to some rivals. Some component or fit-finish issues: Reviews point out things like visible plastic quality issues, vibrating windscreen or fairing at higher speeds. Seat height / weight: Though manageable, the seat height (~835 mm) and overall weight (~200 kg+) can be a challenge for shorter riders or in stop-and-go traffic. Features omissions: Some expected premium features such as cruise control, quick shifter, or fully adjustable suspension are missing or optional. Heat & wind-protection concerns: Some riders report heat around the legs from the engine/radiator; windscreen buffet at higher speeds in certain setups. |
| 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 Tiger Sport 660** stands as one of the most versatile and accessible middleweight sport-tourers in the premium motorcycle segment. Built on Triumph’s popular 660cc inline-three platform, the Tiger Sport 660 combines the brand’s signature refinement with practicality, making it ideal for riders who want a machine capable of city commuting, weekend touring, and spirited highway rides. Its design leans towards a sporty adventure-tourer philosophy—sleek bodywork, aerodynamic fairing, upright ergonomics, and a tall windscreen that offers decent wind protection at higher speeds. While not positioned as a hardcore off-roader, the bike excels in long-distance comfort, everyday usability, and confident road handling. At the heart of the Tiger Sport 660 is a **660cc liquid-cooled triple-cylinder engine**, known for its smooth power delivery and engaging character. Producing around **81 PS and 64 Nm**, it offers quick acceleration and strong mid-range torque, making it equally comfortable overtaking on highways and navigating city traffic. The three-cylinder configuration gives it a unique riding feel—more exciting than typical parallel-twin rivals, yet smoother and more refined than single-cylinder machines. The 6-speed gearbox paired with a slip-and-assist clutch adds to the convenience by reducing clutch effort during traffic and ensuring smooth downshifts. The bike’s chassis and suspension setup further enhance its touring credentials. It features **Showa USD front forks and a rear monoshock**, tuned to offer a comfortable and balanced ride, even with luggage or a pillion. The upright seating position, wide handlebars, and relaxed footpeg placement reduce fatigue on long journeys, while the sculpted seat ensures comfort for both rider and passenger. With a **17-litre fuel tank**, the Tiger Sport 660 offers a respectable touring range, depending on riding style and terrain. In terms of features, Triumph equips the bike with modern essentials like **dual-channel ABS, switchable traction control, ride-by-wire throttle, and two riding modes** (Road and Rain). The bike also gets a digital instrument cluster with Bluetooth connectivity support (optional via accessory module), allowing turn-by-turn navigation and call notifications. LED lighting, premium paint quality, and high-quality components add to the overall premium feel. The bike runs on **Michelin Road 5 tyres**, known for their excellent grip and durability in varied riding conditions. However, the Tiger Sport 660 is not without its compromises. For shorter riders, the **835mm seat height** can be challenging, and at over 200kg kerb weight, maneuvering in tight city spaces requires caution. While capable on bad roads, it lacks off-road-focused components like long-travel suspension or spoked wheels, meaning its strength lies firmly on tarmac touring rather than trail riding. Maintenance and parts costs are premium, and Triumph’s dealership network, though expanding, is still not as widespread as mainstream brands in India. Overall, the **Triumph Tiger Sport 660** strikes a near-perfect balance between sporty performance and touring comfort. It appeals strongly to riders who want a refined, premium, and engaging motorcycle for daily use and long-distance adventures. With its triple-cylinder charm, premium features, and mature ride dynamics, it stands out as one of the best sport-touring machines in its class, offering a unique blend of excitement and practicality that few bikes in the segment can match. |
| 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 Triumph Tiger Sport 660 have? A: The Tiger Sport 660 is powered by a 660cc inline-3 cylinder engine that produces around 81 PS and 64 Nm. Q: What is the mileage of the Tiger Sport 660? A: The bike delivers an average mileage of around 20–23 kmpl under mixed riding conditions. Q: What is the seat height of the Tiger Sport 660? A: The seat height is approximately 835 mm, offering a tall touring riding posture. Q: Is the Tiger Sport 660 suitable for long-distance touring? A: Yes, it is designed for sport-touring and offers comfortable ergonomics, good wind protection, and a smooth triple-cylinder engine ideal for touring. Q: Does the Tiger Sport 660 have riding modes? A: Yes, it comes with two riding modes — Road and Rain — along with switchable traction control. Q: What type of suspension setup does the Tiger Sport 660 get? A: It features Showa 41mm USD forks at the front and a preload-adjustable monoshock at the rear. Q: Is the Triumph Tiger Sport 660 good for city riding? A: Yes, it handles city riding well thanks to its balanced weight distribution and smooth power delivery, although shorter riders may find the height challenging. Q: What is the price of the Tiger Sport 660 in India? A: The Triumph Tiger Sport 660 is priced around ₹9 lakh (ex-showroom, varies by city and variant availability). |
| Price Variants | | 475000 | Standard | 945000 |
| 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. | Excellent engine character: The 660 cc inline-three offers a smooth, strong mid-range, making it enjoyable for both city riding and twisty roads. Versatile ergonomics & usability: The upright seating position, decent comfort for two-up rides, and good handling make it a solid all-rounder. Premium build & components: Good finish, quality suspension (e.g., Showa), reputable tyres (Michelin Road 5) and solid brakes. Great for sport-touring: It has enough capability for longer rides and twisty roads while still manageable in urban settings. Handling agility: Several riders mention its light-on-its-feet feel, good manoeuvrability. |
| Transmission | Manual | 6 Speed Manual |
