Quick Analysis
KTM 50 SX
8.0 pts
Unweighted: 3 advantages
EnginePerformanceDimensionsBrakesTyresOther
Benelli TRK 502 X
26.0 pts
Unweighted: 17 advantages
EnginePerformanceDimensionsBrakesTyresOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | — | Liquid-cooled |
| Displacement | 49.9 cc | 500 |
| Engine Type | 1-cylinder, 2-stroke engine | 2-cylinder/4-stroke/8-valve |
| Power | 5.3 bhp @ 11500 rpm | 35kW at 8500 r/min |
| Torque | 5.2 Nm @ 7500 rpm | 46N·m/6000 r/min |
Performance & Efficiency |
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| Fuel Tank Capacity | 2.3 L | 20 l |
| Mileage | 30 kmpl | 25 kmpl |
Dimensions & Weight |
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| Kerb Weight | 41 kg | 213 |
| Seat Height | 653 mm | 860 |
Brakes & Suspension |
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| ABS | — | Dual-Channel ABS |
| Front Brake | Disc 160 mm | 320mm floating discs with a 2-piston calliper |
| Front Suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | Inverted Telescopic |
| Rear Brake | Disc 160 mm | single 260mm disc with one piston |
| Rear Suspension | XACT WP mono shock | Hydraulic Monoshock |
Tyres & Wheels |
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| Front Tyre | 60/100 - 12 | 110/80 R19 |
| Rear Tyre | 2.75 - 10 | 150/70 R17 |
| Tyre Type | Tubed | Tubeless |
| Wheel Type | Spoke | Spoke |
Other Specifications |
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| Bike Image 1 | — | https://motoautiv.com/wp-content/uploads/2025/11/trk502xgreen.webp |
| Bike Image 2 | — | https://motoautiv.com/wp-content/uploads/2025/11/trk502xwhite.webp |
| Color Options | Electronic Orange | Benelli Red Pure White Metallic Dark Grey Green Yellow |
| 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. | The bike is heavy, and you feel that weight at low speeds, during U-turns, or in tight traffic. Because of its weight, the power-to-weight ratio isn’t very exciting — acceleration feels adequate but not aggressive. The suspension setup, while comfortable for touring, can feel soft or unsettled on very rough or technical off-road trails. It lacks the advanced electronics found on some modern adventure bikes, which may disappoint riders looking for traction control, ride modes, or more sophisticated tech. Maneuvering or parking in crowded urban areas takes effort, especially for shorter or less-experienced riders. Spare parts and service availability may not be as widespread or fast as mainstream brands in many regions. |
| 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 TRK 502X arrives with a 500 cc, liquid-cooled parallel-twin engine, built around a DOHC, 8-valve layout with a bore and stroke of 69 × 66.8 mm and a compression ratio of 11.5:1. That setup promises a balance: enough performance to be fun and capable, without being overly aggressive or fragile. On paper, you get about 35 kW (roughly 47.5–48 bhp) at 8,500 rpm and 46 Nm of torque at 6,000 rpm. In practical terms, this means the TRK 502X won’t feel like a hard-edged sportbike — instead, its strength lies in flexible, usable power that comes in smoothly whether you’re carving corners, cruising on the highway, or climbing hills. It’s the kind of engine character that feels forgiving when riding through town, yet substantial enough for overtakes or loaded touring. Paired with a 6-speed gearbox and chain final drive, the power delivery is predictable and manageable. The wet multi-plate clutch (with slipper/assist in many markets) helps with smooth launches and controlled downshifts — a welcome feature when you’re rolling in traffic or slowing into a sharp bend. This combination doesn’t demand aggressive riding; instead, it rewards smoothness and planning, which is ideal for long rides or mixed use (city + touring). Underneath the engine sits a steel trellis frame, giving the bike a rugged backbone that’s ideal for both stability and endurance. Up front, there’s an upside-down telescopic fork with about 140 mm travel, while at the rear a mono-shock absorber handles things with about 45 mm travel. The tyres ride on a 19-inch front and 17-inch rear spoked-wheel combo (110/80 R19 up front, 150/70 R17 at the rear), hinting at the bike’s adventure-ready intentions. What this suspension and wheel setup translates to on the road (or off it) is a decent balance: confident stability at higher speeds, good absorption of irregular road surfaces, and better-than-average composure over mild dirt tracks or uneven terrain. The long travel and wheel combo give you the flexibility to tackle a variety of surfaces — tarmac, cracked city roads, or rougher rural patches — without feeling like the bike is fighting you. In terms of heft and dimensions, the TRK 502X is clearly not a lightweight commuter. It measures about 2220 mm in length, 915 mm in width, and 1480 mm in height, with a wheelbase of 1505 mm and a ground clearance of 210 mm. The seat height sits around 830-860 mm depending on setup. The kerb weight is roughly 213 kg. All this gives the bike a serious posture — once moving, it feels planted and stable, especially on highways or long-distance rides. But that weight and size mean that in tight city traffic, narrow lanes, or quick U-turns you do notice it. Maneuvering requires planning and care; it isn’t a flickable city commuter. At stop lights or in jammed streets, the weight and height may feel imposing, and shorter riders might have to adjust carefully — though once balanced, the solidity inspires confidence. For braking and safety, the TRK 502X is equipped with dual 320 mm disc brakes in front and a 260 mm disc at the rear, complemented by dual-channel ABS. That translates into dependable stopping power whether you’re doing a controlled slow-down in traffic, braking hard on a descent, or handling an emergency stop at speed. The dual discs up front give good bite and modulation, while the rear disc helps balance braking forces — a reassuring setup for a bike that may often carry luggage or a pillion during touring. Fuel capacity sits at 20 litres, which, given the engine efficiency and power output, gives you a reasonable riding range before thinking about refuelling. Especially on highways or long-distance rides, that tank size — paired with the fairly smooth-tuned twin — makes the TRK 502X well-suited for touring or inter-city travel without frequent fuel stops. 2025 update on the TRK 502X also brings modern touches that broaden its appeal beyond purely mechanical capability. The bike now gets a 5-inch TFT instrument cluster with smartphone connectivity and offline navigation, heated grips and seat (welcome during cooler weather), tyre-pressure monitoring system (TPMS), tubeless tyres, adjustable handlebar mounts, and a redesigned aluminium swingarm. For everyday riders and tourers alike, these improvements add convenience, comfort, and usability — making the bike more than just a “ride”: it becomes a traveling companion with practical features for longer journeys or changing weather and road conditions. On the highway or winding roads, the TRK 502X shows what it’s made for: smooth power delivery, stable handling, and comfort over distance. The suspension soaks up imperfections without being mushy, the engine hums along without stress, and the windscreen and ergonomics reduce fatigue over hours of riding. For trips that involve a mix of tarmac, rough patches, and maybe light gravel or dirt, the raised wheels and suspension travel give a sense of security and adaptability. But of course, not all is perfect. The bulk and seat height make it less ideal for low-speed urban commuting or frequent weaving through dense traffic. The weight can be felt when maneuvering or parking. Also, the twin-cylinder 500 cc engine — while versatile — doesn’t deliver outright explosive acceleration; riders wanting super-fast throttle response and racing-like performance might find it sedate. And though it’s capable off the beaten path, it isn’t a hardcore off-road machine; rough, technical trails or deep mud might be beyond its comfort zone. In the end, the TRK 502X doesn’t pretend to be something it isn’t. It is not a lightweight commuter, nor a superbike. What it aims for — and largely achieves — is a balanced, capable adventure-tourer that blends flexibility, comfort, and a spirit of travel. For someone who wants one bike to do a bit of everything: daily commuting when necessary, long-distance touring, weekend adventure rides, occasional off-tarmac stints — the TRK 502X stands out as a well-rounded option. It’s a bike with presence, substance, and sensible performance — built to carry you through changing roads and varied horizons, at a pace where the journey matters as much as the destination. |
| 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 Benelli TRK 502X? A: It has a 500cc liquid-cooled, parallel-twin engine. Q: How much power does the TRK 502X produce? A: It produces around 47–48 bhp at 8,500 rpm. Q: What is the torque output? A: The engine delivers about 46 Nm at 6,000 rpm. Q: What is the mileage of the Benelli TRK 502X? A: Real-world mileage typically ranges between 22–28 km/l depending on riding style. Q: What type of gearbox does it have? A: It comes with a 6-speed manual transmission. Q: What is the seat height of the TRK 502X? A: The seat height is around 830–860 mm, depending on region/setup. Q: What is the weight of the bike? A: It weighs approximately 213 kg (kerb weight). Q: What is the fuel tank capacity? A: The bike carries a 20-litre fuel tank. Q: What kind of suspension does it use? A: It has an upside-down fork in the front and a mono-shock at the rear. Q: What braking setup does the TRK 502X have? A: Dual 320 mm front discs and a 260 mm rear disc with dual-channel ABS. Q: Does the TRK 502X come with tubeless tyres? A: Yes, new updates include tubeless spoked wheels. Q: Does it support smartphone connectivity? A: Yes, it features a TFT screen with smartphone connectivity and offline navigation. Q: Is the TRK 502X suitable for off-road riding? A: It is suitable for light to moderate off-road use, not extreme enduro terrain. Q: Is it good for touring? A: Absolutely — its ergonomics, large tank, comfortable seat, and stable chassis make it a strong touring bike. Q: Who should buy the Benelli TRK 502X? A: Riders who want a comfortable, versatile adventure-tourer for highways and mixed terrain. |
| Price Variants | | 475000 | | 529000 |
| 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. | The TRK 502X is extremely comfortable for long-distance riding thanks to its upright seating posture, wide handlebars, and relaxed ergonomics. Its 500cc twin-cylinder engine delivers smooth and predictable power, making it easy to ride in the city while still feeling strong enough for highway overtakes. The adventure-ready setup — spoked wheels, dual-purpose tyres, tall stance, and generous ground clearance — helps it handle rough roads and mild off-road stretches with confidence. The dual front discs, rear disc, and ABS provide solid braking performance, especially when the bike is loaded with luggage or a pillion. It offers a big-bike feel at a relatively accessible price, giving riders the presence, stability, and touring capability of a larger adventure motorcycle without the premium cost. The 20-litre fuel tank allows long distances between fill-ups, which is ideal for touring. The updated TFT screen, smartphone connectivity, heated grips, and TPMS add practical value to everyday riding. |
| Transmission | Manual | 6-speed |
