Quick Analysis
JAWA 42 J
19.0 pts
Unweighted: 16 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
KTM 250 SX-F
13.0 pts
Unweighted: 7 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Liquid Cooled | Liquid cooled |
| Displacement | 334 cc | 249.9 cc |
| Engine Type | Single Cylinder, 4 Stroke, Liquid Cooled, DOHC | 1-cylinder, 4-stroke engine |
| Power | 29.17 PS | 46.8 PS @ 13900 rpm |
| Torque | 29.62 Nm | 26.5 Nm @ 9500 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 12 L | 7.2 L |
| Mileage | 32 kmpl | 40 kmpl |
Dimensions & Weight |
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| Kerb Weight | 184 | 104 |
| Seat Height | 790 | 958 |
Brakes & Suspension |
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| ABS | Dual Channel ABS | Dual Channel ABS |
| Front Brake | Disc With Floating Caliper 320 mm | Disc 260 mm |
| Front Suspension | Telescopic Forks, Ø 41 mm | WP XACT-USD (AER), Ø 48 mm |
| Rear Brake | Disc With Floating Caliper 240 mm | Disc 220 mm |
| Rear Suspension | Twin Shock Absorber With 5-step Adjustable Pre-load | WP XACT Monoshock with linkage |
Tyres & Wheels |
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| Front Tyre | 100/90-18, 56H | 80/100 - 21 |
| Rear Tyre | 140/70-17, 66H | 110/90 - 19 |
| Tyre Type | Tube | Tubeless |
| Wheel Type | Spoke | Spoke |
Features & Technology |
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| Headlight | LED | — |
Other Specifications |
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| Battery | MF Battery | 12.8V / 2AH |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/11/42fjdeepblackmatteblackclad.webp | — |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/11/42fjmystiquecopper.webp | — |
| Bike Image 3 | https://motoautiv.com/wp-content/uploads/2025/11/42fjcosmobluematte.webp | — |
| Color Options | Mystique Copper | #A65A2E Deep Black Matte Black Clad | #1A1A1A Aurora Green Matte | #1A1A1A Deep Black Matte Red Clad | #3F5D4A Cosmo Blue Matte | #2C4E6B | Orange | #FF5F00 |
| Cons | Limited modern features – Lacks advanced electronics, ride modes, or connectivity options. Reliability concerns – Some owners report minor mechanical or electrical issues. After-sales and parts availability – Service centers may be limited in some areas, and spare parts can be hard to get. Comfort limitations for long rides – Pillion seat and luggage capacity are limited; not ideal for long-distance touring. Moderate fuel efficiency – Real-world mileage may be lower than expected in heavy traffic or aggressive riding. | Starting Issues – Some users report difficulty starting the bike, especially when warm. Throttle Response Problems – Occasional throttle lag or bogging issues have been mentioned in user reports. Clutch Problems – Few riders have faced issues with clutch engagement or consistency over time. Aggressive Nature – Power delivery can feel too sharp for completely new riders or casual use. Maintenance Needs – Being a race-focused bike, it requires regular maintenance and attention. Heat & Minor Issues – Reports of overheating at startup or small component issues like fuel system or seals. |
| Detailed Overview | The Jawa 42 FJ is built around a 334cc, single-cylinder, liquid-cooled engine that produces close to 29 bhp and around 29.6 Nm of torque, paired with a 6-speed gearbox. The engine uses fuel injection and also gets an assist and slipper clutch, which helps in smoother gear shifts during regular riding. The power delivery is tuned in a way that focuses on usable performance across different speeds rather than just top-end output. The bike is based on a double cradle frame, which supports its overall structure and contributes to stability while riding. It has a kerb weight of around 184 kg and comes with a 12-litre fuel tank. Seat height is close to 790 mm, making it accessible for most riders, while the ground clearance of around 178 mm helps in dealing with uneven roads and speed breakers. Suspension duties are handled by telescopic forks at the front and twin shock absorbers at the rear. This setup is commonly used in this segment and is designed to handle daily road conditions. The bike runs on an 18-inch front and 17-inch rear wheel combination, with tyre sizes that balance stability and grip during regular riding. Braking is managed through disc brakes at both ends, supported by dual-channel ABS as standard. The front disc is larger compared to the rear, which helps in providing controlled stopping. The braking setup is designed to work in different riding conditions without being overly sharp or aggressive. In terms of features, the bike includes a digital instrument console that displays basic riding information like speed, trip details and fuel level. It also comes with LED lighting elements, Bluetooth connectivity, and a USB charging port, which add to everyday usability. These features are kept fairly simple and focused on essential functions rather than adding too many extra elements. Overall, the Jawa 42 FJ feels like a well-rounded partner on two wheels. It doesn’t demand constant attention or aggressive riding, but it rewards smooth, thoughtful throttle control and confident road use. For someone looking for a neo-classic bike that’s equally at home in city traffic and on open highways, it’s a choice that marries character with practicality. | The KTM 250 SX‑F is a purpose-built motocross machine that combines race-ready performance, lightweight agility, and advanced electronics to deliver an exhilarating experience for serious off-road riders. As part of KTM’s renowned motocross lineup, the 250 SX‑F is designed for track dominance, providing the perfect balance of power, handling, and precision for competitive riding. Its 249.9 cc, four-stroke, single-cylinder, liquid-cooled engine is tuned to deliver strong, high-revving power that is immediately responsive to throttle inputs. This makes it exceptionally capable on tight corners, jumps, and technical track sections, giving riders a confident and aggressive edge in race situations. One of the standout features of the 250 SX‑F is its lightweight chassis. The bike benefits from KTM’s proprietary trellis frame, which offers a perfect blend of stiffness and controlled flex. This results in excellent stability at high speeds while also allowing precise feedback through the handlebars and footpegs. The frame’s low weight, combined with the compact engine, ensures the bike is agile and easy to maneuver—qualities that are especially important when navigating tight motocross tracks or technical off-road terrain. The overall kerb weight remains impressively low, which reduces rider fatigue and enhances the bike’s responsiveness. The 250 SX‑F’s suspension system is another highlight. It features WP XACT 48 mm inverted front forks and a WP XACT rear shock with linkage, delivering around 310 mm of front travel and 300 mm of rear travel. This setup allows the bike to absorb big jumps, handle rough terrain, and maintain traction even under extreme stress. Both the forks and the rear shock are fully adjustable, enabling riders to fine-tune the bike for their preferred riding style or track conditions. The combination of suspension, frame geometry, and lightweight design makes the KTM 250 SX‑F exceptionally capable at both high-speed sections and technical, slower parts of the track. Modern electronics further enhance the riding experience. The 250 SX‑F is equipped with launch control, which optimizes starts and reduces wheel spin. Additionally, it offers selectable engine maps and traction control, providing riders with the ability to adapt the bike’s power delivery to track conditions or personal preference. The inclusion of a quickshifter enables seamless clutchless gear changes, maintaining momentum during aggressive racing. While minimal compared to street motorcycles, these electronic aids give riders an advantage without sacrificing the raw, track-focused feel that motocross enthusiasts demand. The ergonomics of the 250 SX‑F are designed with performance in mind. A tall seat height, wide handlebars, and a compact, upright riding position make it ideal for both sitting and standing on the pegs, which is essential for maneuvering over rough terrain and jumps. The bike also features an electric start, a convenience that eliminates the need for kick-starting and enhances usability on the track. Despite its racing pedigree, the 250 SX‑F comes with some compromises. Its fuel tank is relatively small, limiting the bike’s range to short race sessions rather than long trail rides. Maintenance is more frequent compared to casual dirt bikes, as high-performance components require careful attention. The tall seat height may also challenge shorter riders, and its race-oriented suspension can feel harsh on less demanding trails. In summary, the KTM 250 SX‑F is a high-performance motocross machine designed for riders who demand precision, agility, and race-ready power. Lightweight, technologically advanced, and built with competition in mind, it offers an exhilarating experience for those seeking to dominate motocross tracks. It is not a casual trail bike, but for dedicated racers and serious off-road enthusiasts, it stands out as one of the most capable and exciting 250-class motocross motorcycles on the market. |
| Expert Review | The Jawa 42 FJ follows a design that stays close to the usual Jawa style, with a simple tank shape, minimal bodywork and a clean overall look. The riding position is upright and easy to get used to, with a comfortable reach to the handlebar and a seat height that works for most riders, though the seat can feel firm on longer rides. Its single-cylinder, liquid-cooled engine responds quickly at lower speeds, making it suitable for city use, but it feels slightly strained when pushed harder. The gearbox works in a consistent manner, although mild vibrations can be noticed at higher revs. Handling is predictable, with stable movement in straight lines and easy control in traffic, while the suspension feels a bit stiff over rough patches. Braking setup depends on the variant, and while it performs its function, the feel at the lever may take some time to get familiar with., 3.9, MotoAutiv Team | The KTM 250 SX-F is built around a 249.9cc single-cylinder, liquid-cooled engine producing around 46 bhp, paired with a 5-speed gearbox. The engine is tuned to deliver stronger power at higher RPMs, with a noticeable top-end focus, while still offering enough mid-range for corner exits on track. Its lightweight construction, at around 104 kg, along with a steel frame and fully adjustable WP suspension, makes the bike quick to respond and easy to maneuver during aggressive riding. The suspension is set up to handle jumps and uneven terrain, though it feels firm and clearly track-focused. The riding ergonomics are compact with a tall seat height and narrow body, allowing better control while standing and shifting weight. Braking is handled by disc brakes at both ends, offering consistent stopping performance, and features like traction control, launch control, and quickshifter add to its race-oriented setup. With a small fuel tank and minimal road-focused elements, the overall design remains centered on motocross use., 4.5, MotoAutiv Team |
| FAQ (Manual Override) | Q: What is the Jawa 42 FJ? A: It is a modern-styled version of the Jawa 42 with a brushed-metal tank, sporty detailing, and a more premium, neo-retro look. Q: What engine does the Jawa 42 FJ use? A: It uses a 334cc, liquid-cooled, single-cylinder DOHC engine. Q: How much power and torque does it produce? A: It delivers around 29.17 PS of power and 29.62 Nm of torque. Q: What is the mileage of the Jawa 42 FJ? A: Real-world mileage is around 28–32 kmpl depending on riding style. Q: Does the Jawa 42 FJ have a 6-speed gearbox? A: Yes, it comes with a 6-speed constant-mesh gearbox and a slipper clutch. Q: Does the Jawa 42 FJ come with ABS? A: Yes, it features dual-channel ABS for safer braking. Q: What is the seat height of the Jawa 42 FJ? A: The seat height is approximately 790 mm, making it comfortable for most riders. Q: What is the kerb weight of the bike? A: The Jawa 42 FJ weighs around 184 kg. Q: What is the fuel tank capacity? A: It has a 12-litre fuel tank. Q: Is the Jawa 42 FJ good for daily commuting? A: Yes, its smooth engine and comfortable ergonomics make it great for daily use. Q: Is the Jawa 42 FJ suitable for long rides? A: Yes, the stable frame, 6-speed gearbox, and comfortable seating make it capable of touring. Q: What type of brakes does it use? A: It comes with front and rear disc brakes paired with dual-channel ABS. Q: What are the tyre sizes of the Jawa 42 FJ? A: 100/90-18 at the front and 140/70-17 at the rear. Q: What makes the FJ edition different from the regular Jawa 42? A: The FJ gets a brushed-aluminium tank finish, sportier styling, and a more modern premium look. Q: What is the approximate price of the Jawa 42 FJ? A: The ex-showroom price starts around ₹1.93 lakh and varies by location. | Q: What is the engine capacity and type of the KTM 250 SX-F? A: It is powered by a 249.9 cc, 4-stroke, single-cylinder, liquid-cooled engine. Q: How much power and torque does KTM 250 SX-F produce? A: The KTM 250 SX-F produces around 40 PS of power (approximately), tuned for high-rev motocross performance. Q: What transmission does the 250 SX-F use? A: It uses a 5-speed gearbox. Q: Does the 250 SX-F have an electric starter? A: Yes, the KTM 250 SX-F comes with an electric self-starter, which is very useful for motocross starting. Q: What suspension setup does KTM 250 SX-F have? A: It features WP XACT 48 mm USD forks at the front and a WP XACT linkage rear shock, tuned for motocross performance. Q: What are the brake specifications and ABS on the 250 SX-F? A: The 250 SX-F is fitted with disc brakes front and rear. Since it's a motocross (off-road) bike, it does not typically have road-legality ABS — it's built for track use. Q: What is the seat height and ground clearance of KTM 250 SX-F? A: The seat height is very high (race-MX spec) — it's designed for standing and aggressive riding on dirt. Ground clearance is also high, optimized for motocross terrain. Q: What is the fuel capacity of the 250 SX-F? A: The fuel tank is relatively small, designed more for race duration than long touring. Q: Does the 250 SX-F come with any electronic rider aids? A: It has selectable engine maps (for different performance characteristics) and traction control, though it's minimal compared to street motorcycles. Q: What kind of instrument or dash does KTM 250 SX-F use? A: The 250 SX-F typically does not use a full digital dash like street bikes — it's race-oriented and focuses on weight savings. Q: Is the 250 SX-F good for both racing and trail riding? A: It’s primarily designed for motocross racing (track use), but experienced off-road riders might use it on trails — performance and setup are more race-oriented than touring. |
| Fuel System | Electronic Fuel Injection | Fuel Injection |
| Price Variants | Dual Channel Aurora Green Matte Spoke | 193725 Dual Channel Aurora Green Matte | 194950 Dual Channel Cosmo Blue Matte | 198334 Dual Channel Mystique Copper | 198334 Dual Channel Deep Black Matte Red Clad | 204950 Dual Channel Deep Black Matte Black Clad | 204950 | STD | 958000 |
| Pros | Retro-modern styling – Classic look with modern touches makes it stand out. Decent engine performance – The 294 cc engine with 6-speed gearbox provides good acceleration and city/highway usability. Comfortable ergonomics – Low seat height and upright riding stance make it accessible for most riders. Blend of old-school charm + modern basics – Features like disc brakes, ABS, and alloy/spoke wheel options balance nostalgia with practicality. Fun to ride – Lightweight and responsive, ideal for weekend rides or casual city commuting. | High Power-to-Weight Ratio: The 249.9 cc 4-stroke engine produces very strong power, and the bike is quite light, making it very agile and fast. Advanced Electronics: Comes with launch control, two engine maps, traction control, and quickshifter. Premium Suspension: Uses WP XACT forks and rear shock (310 mm / 300 mm travel) that are very capable for jumps and rough track terrain. Excellent Chassis Flex & Control: Updated frame in newer models improves flex, which helps in cornering and gives more control. Electric Start: Equipped with a self-starter (lithium-ion battery), which is very handy on the track. Strong Brakes & Clutch: Uses Brembo hydraulics for the clutch and good brake setup — helps with precise control under race conditions. Good for Track Riders: Designed for serious motocross use — responsive, fast, and optimized for racing-style riding. |
| Starter | Self Start | Electric starter |
| Transmission | 6–Speed | 5 Speed Manual |
