Quick Analysis
BMW G 310 RR
26.5 pts
Unweighted: 21 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
KTM 50 SX
4.5 pts
Unweighted: 4 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
||
| Cooling System | liquid cooling | Liquid Cooled |
| Displacement | 312.12 cc | 49.9 cc |
| Engine Type | single‑cylinder, four‑stroke engine with four valves | 1-cylinder, 2-stroke engine |
| Power | 34 PS at 9,700 rpm | 5.3 bhp @ 11500 rpm |
| Torque | 27.3 Nm at 7,700 rpm | 5.2 Nm @ 7500 rpm |
Performance & Efficiency |
||
| Fuel Tank Capacity | 11 L | 2.3 L |
| Mileage | 30 kmpl | 30 kmpl |
Dimensions & Weight |
||
| Kerb Weight | 174 | 41 |
| Seat Height | 811 | 653 |
Brakes & Suspension |
||
| ABS | Dual Channel ABS | — |
| Front Brake | Disc 300 mm Caliper - Front 4 Piston | Disc 160 mm |
| Front Suspension | Upside down fork, Ø 41 mm | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Rear Brake | Disc 240 mm Caliper - Rear 1 Piston | Disc 160 mm |
| Rear Suspension | Cast aluminium dual swing arm, central spring strut | XACT WP mono shock |
Tyres & Wheels |
||
| Front Tyre | 110/70 - R17 | 60/100 - 12 |
| Rear Tyre | 150/60 - R17 | 2.75 - 10 |
| Tyre Type | Tubeless | Tubed |
| Wheel Type | Alloy | Spoke |
Features & Technology |
||
| Headlight | LED | — |
Other Specifications |
||
| Battery | 12 V / 8 Ah | — |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/12/g310rrracingbluemetallic.webp | — |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/12/g310rrcosmicblack2.webp | — |
| Cluster | Digital 5 inch TFT | — |
| Color Options | Racing Blue Metallic | #0057A3 Cosmic Black 2 | #0B0B0C White with M Sport graphics | #F5F5F5 Polar White | #FFFFFF Cosmic Black | #000000 | Electronic Orange | #F2771A |
| Cons | Fuel tank is only 11 litres, limiting range on longer rides. Seat height may feel slightly tall for shorter riders due to riding posture Single-cylinder engine can produce noticeable vibrations at higher speeds. Relatively premium price compared to entry-level sport bikes in India. Lacks advanced electronics like traction control or quick shifter that competitors may offer. | 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. Parts Cost & Availability: As a race‑oriented bike, some parts can be expensive or harder to source for older models. |
| Detailed Overview | The BMW G 310 RR is based on a 312 cc, single-cylinder, liquid-cooled, four-stroke DOHC engine producing approximately 34 PS of power and 27.3 Nm of torque. The engine is paired with a 6-speed manual gearbox featuring an assist and slipper clutch, with power transmitted via a chain drive. Fuel delivery is managed through electronic fuel injection, and the engine is tuned to operate across a range of riding conditions typically encountered in Indian environments. The motorcycle is equipped with four riding modes, Track, Sport, Urban, and Rain which alter throttle response and power delivery characteristics. These modes allow the rider to adapt the engine output based on road surface conditions and usage scenarios. The gearbox is designed to provide consistent shifts across different speeds, while the slipper clutch assists in maintaining stability during aggressive downshifting. The chassis is supported by a 41 mm upside-down telescopic front fork and a rear monoshock mounted on a cast aluminium dual swingarm, with preload adjustability at the rear. This suspension setup is configured to manage a combination of urban road irregularities and highway riding conditions. The motorcycle has a kerb weight of approximately 174 kg, contributing to its handling characteristics in both low-speed and higher-speed scenarios. Braking duties are handled by a 300 mm front disc with a four-piston caliper and a 240 mm rear disc, supported by dual-channel ABS. The braking system is designed to provide controlled deceleration across varying road conditions. The motorcycle is fitted with 110/70 R17 front and 150/60 R17 rear tubeless radial tyres mounted on alloy wheels. In terms of dimensions, the BMW G 310 RR has a seat height of 811 mm and a fuel tank capacity of 11 litres. The overall design includes a fully faired body structure, influencing both aerodynamics and rider positioning. The riding posture is moderately forward-leaning, with handlebar and footpeg placement aligned with its sport-oriented configuration. Electrical components include a full LED lighting system and a fully digital instrument cluster displaying speed, gear position, fuel level, and trip-related information. The motorcycle is powered by a maintenance-free battery and uses an electric start system for ignition. | 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. |
| Expert Review | The BMW G 310 RR is positioned as an entry-level fully faired sport motorcycle built around a 312 cc single-cylinder platform, tuned to deliver a balance between everyday usability and sport-oriented performance. In Indian riding conditions, the engine offers adequate performance for city and highway use, though vibrations become more noticeable at higher speeds. The chassis and suspension setup provide stable handling with a focus on predictable dynamics rather than aggressive track-oriented sharpness. Its electronics package, including multiple riding modes, adds adaptability across varying road and weather conditions, which is relatively uncommon in this segment. However, factors such as limited fuel tank capacity, absence of certain advanced rider aids, and pricing relative to similarly positioned motorcycles influence its positioning within the market., 4.0, MotoAutiv Team | The KTM 50 SX is powered by a 49.9cc liquid-cooled two-stroke engine producing 5.4 PS at 11,500 rpm, designed as an entry-level mini motocross bike for young riders aged 7 and above beginning their competitive racing journey. The engine uses a 3-shaft design with the crankshaft positioned near the center of gravity, and features a centrifugal automatic clutch that reduces complexity and boosts riding confidence for inexperienced riders. The chassis features a chromium-molybdenum steel frame paired with a state-of-the-art WP XACT AER fork and fully adjustable monoshock, providing precision handling suitable for learning racing technique. In the Indian context, the 50 SX serves as an ideal entry platform for children with access to organized motocross training facilities in urban centers, though its competitive pricing and maintenance requirements make it best suited for families committed to structured racing programs rather than casual riding., 4.5, MotoAutiv Team |
| FAQ (Manual Override) | Q: What type of engine does the BMW G 310 RR use? A: The BMW G 310 RR is powered by a 312 cc, single-cylinder, liquid-cooled, four-stroke DOHC engine with four valves. Q: How much power does the BMW G 310 RR produce? A: The BMW G 310 RR produces 34 PS of maximum power at higher RPMs, which allows it to maintain consistent performance across a range of riding conditions, including urban traffic and open roads. Q: How much power does the BMW G 310 RR produce? A: The BMW G 310 RR produces 34 PS of maximum power at higher RPMs, which allows it to maintain consistent performance across a range of riding conditions, including urban traffic and open roads. Q: What type of lighting setup does the BMW G 310 RR have? A: The BMW G 310 RR features a full LED lighting system, including the headlight, tail light, and turn indicators, contributing to visibility and consistent illumination. Q: What type of starter system is available in the BMW G 310 RR? A: The BMW G 310 RR is equipped with an electric starter system, ensuring convenient and reliable ignition. | 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: What is the fuel tank capacity of KTM 50 SX? A: The fuel tank capacity is 2.3 litres. Q: What is the seat height of KTM 50 SX? A: The seat height is 653 mm. Q: What is the weight of KTM 50 SX? 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 KTM 50 SX 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 KTM 50 SX 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 of KTM 50 SX? 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 in KTM 50 SX? A: Some owners report carburetor tuning issues |
| Fuel System | electronic fuel injection | — |
| Price Variants | STD | 285000 | Disc Brakes, Alloy Wheels Limited Edition | 299000 | Disc Brakes, Alloy Wheels | STD | 475000 |
| Pros | Sporty fully-faired design with aggressive aesthetics suitable for enthusiasts. Balanced performance suitable for city and highway use Four riding modes (Track, Sport, Urban, Rain) allow you to adapt the bike to different road conditions. Dual-channel ABS with adequate braking performance Relatively manageable weight with nimble handling characteristics Moderately sporty ergonomics with a relatively upright stance LED lighting and fully digital instrument cluster enhance visibility and usability. | 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. |
| Starter | Electric | Kick Start Only |
| Transmission | 6‑speed manual | Manual |
