Quick Analysis
KTM 50 SX
6.5 pts
Unweighted: 3 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
TRIUMPH NEW TRIDENT 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 |
| Power | 5.3 bhp @ 11500 rpm | 81 PS / 81 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 | 14 L |
| Mileage | 30 kmpl | 15 kmpl |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 190 kg |
| Seat Height | 653 mm | 805 mm |
Brakes & Suspension |
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| ABS | — | Dual Channel ABS |
| Front Brake | Disc 160 mm | Twin Ø310mm discs, Nissin 2-piston sliding calipers, OCABS |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Showa 41mm upside down separate function big piston (SFF-BP) forks, 120mm Wheel travel |
| Rear Brake | Disc 160 mm | Single Ø255mm fixed disc, single piston sliding caliper, OCABS |
| Rear Suspension | XACT WP mono shock | Showa monoshock RSU, with preload adjustment, 130mm Wheel travel |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 120/70R17 |
| Rear Tyre | 2.75 - 10 | 180/55R17 |
| 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/2025/11/trident660diabloredsapphireblack.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/11/trident660cosmicyellowsapphireblack.webp |
| Bike Image 3 | — | https://motoautiv.com/wp-content/uploads/2025/11/trident660cobaltbluesapphireblack.webp |
| Color Options | Electronic Orange | Jet Black Diablo Red / Sapphire Black Cosmic Yellow / Sapphire Black Cobalt Blue / Sapphire 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. | Suspension and comfort trade-offs: Several owners mention the rear shock is somewhat firm/stiff and long-ride comfort or rough surface compliance could be better. Limited touring/pillion comfort: The compact tail section and seating arrangement make pillion comfort or longer highway stints less relaxing compared to dedicated tourers. Some features/finishes feel “cost-managed”: While overall good value, a few components (e.g., non-adjustable lever, dashboard display mix) are considered entry-level for the price. Fuel tank/range and highway limits for some riders: The fuel capacity (14 litres) and the comfort envelope at high speeds may limit its appeal for serious long-distance highway touring. |
| 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 Trident 660** is Triumph’s entry-level roadster that beautifully balances performance, technology, and everyday practicality. Designed to attract both new and experienced riders, the Trident 660 offers the perfect introduction to the world of premium middleweight motorcycles while carrying Triumph’s signature British engineering DNA. It’s powered by a 660 cc liquid-cooled, inline three-cylinder engine that produces 81 PS of peak power at 10,250 rpm and 64 Nm of torque at 6,250 rpm, paired with a smooth six-speed gearbox and a slip-and-assist clutch. The triple-cylinder engine configuration offers the best of both worlds—strong low-end torque typical of twins and exciting top-end power associated with inline-fours—making it extremely versatile for both city commuting and highway runs. The Trident’s chassis is built around a tubular steel frame with high-quality components such as Showa 41 mm upside-down forks and a preload-adjustable rear monoshock. Its suspension setup is tuned for sporty yet comfortable riding dynamics, ensuring agility in corners and stability on straight roads. Braking duties are handled by twin 310 mm discs up front with Nissin two-piston sliding calipers and a 255 mm disc at the rear, all supported by dual-channel ABS. The lightweight chassis, combined with a kerb weight of just 189 kg, ensures quick handling and easy maneuverability, especially in urban environments. With an 805 mm seat height and comfortable upright ergonomics, the Trident 660 is accessible to a wide range of riders. When it comes to design, Triumph has given the Trident 660 a clean, minimalistic, and modern appeal with elements inspired by its larger Speed Triple siblings. The round LED headlamp, sculpted fuel tank, and sleek tail section exude a classic yet sporty presence. The build quality, fit, and finish are top-notch—something Triumph is well-known for. The motorcycle also comes with full LED lighting, a color TFT display with My Triumph connectivity, and ride-by-wire throttle. It offers two riding modes—Road and Rain—along with switchable traction control, ensuring safety and adaptability in different conditions. The newer 2025 update adds even more premium features, including a bi-directional quickshifter, cruise control, and a Sport riding mode, making the package even more complete. One of the key highlights of the Trident 660 is its approachable nature. The bike feels light and confidence-inspiring, making it an excellent option for riders upgrading from smaller displacement motorcycles. The engine is smooth, refined, and free-revving, offering linear power delivery that’s enjoyable in both city traffic and open highways. The compact dimensions make it ideal for daily commuting, while its strong mid-range power ensures an exciting weekend ride. However, the 14-litre fuel tank and slightly firm rear suspension limit its comfort for long-distance touring. In essence, the Triumph Trident 660 is an all-rounder in the middleweight segment—easy to ride, stylish, well-equipped, and loaded with performance. It bridges the gap between affordability and premium feel, offering riders a taste of Triumph’s world-class engineering without the intimidation of larger superbikes. For anyone looking for a blend of sporty performance, everyday usability, and iconic British styling, the Trident 660 stands out as one of the most compelling choices in its class. |
| 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 Trident 660 have? A: It uses a 660 cc, liquid-cooled, 12-valve DOHC inline 3-cylinder engine that delivers about 81 PS at 10,250 rpm and 64 Nm of torque at 6,250 rpm. Q: What is the seat height, kerb weight, and tank capacity of the Trident 660? A: The seat height is approximately 805 mm, the wet weight is around 190 kg, and the fuel tank capacity is 14 litres. Q: What features and electronics come standard on the Trident 660? A: Standard features include cast-aluminium 17″ wheels, full LED lighting, ride-by-wire throttle, switchable traction control, multiple riding modes (Road, Rain, and for newer model Sport), a TFT display with Bluetooth connectivity (My Triumph), quickshifter (in newer MY25 updates), cruise control (newer model) and Optimised Cornering ABS. Q: What is the 2025 India ex-showroom price for the Trident 660? A: For 2025, the Trident 660 is priced from around ₹ 8.49 lakh (ex-showroom, India) for the base version. Q: What is the service interval for the Trident 660? A: The service interval is 16,000 km (10,000 miles) or 12 months, whichever comes first. Q: Is the Trident 660 suitable for beginners or newer riders? A: Yes — with a manageable seat height (~805 mm), moderate weight (~190 kg) and user-friendly triple-cylinder engine tuned for smooth torque delivery, it is considered accessible for newer riders stepping up to a premium middleweight roadster. Q: What are the tyre and brake specifications on the Trident 660? A: It uses 17″ alloy wheels (120/70 R17 front, 180/55 R17 rear), twin 310 mm front discs with Nissin 2-piston sliding calipers and a 255 mm rear disc. Q: What’s new in the 2025 update of the Trident 660? A: The 2025 update brings new tech as standard — including Sport riding mode, bi-directional quickshifter, cruise control and My Triumph Connectivity via Bluetooth. |
| Price Variants | | 475000 | Standard | 899000 |
| 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. | Agile & fun handling: Owners repeatedly highlight the Trident 660’s confident chassis, lightish steering and the way it encourages spirited riding. Strong middleweight triple-engine character: The 660cc inline-3 motor offers a smooth power delivery, usable torque across the rev range, and the distinctive triple soundtrack that sets it apart. Excellent value & tech for the segment: For its class the bike brings in premium touches, modern electronics, good fit & finish and a compelling package. Manageable ergonomics: With a seat height around 805mm and relatively moderate weight (for its category) it appeals to many riders, including those not extremely tall. |
| Transmission | Manual | 6 speed |
