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Quick Analysis

JAWA 42 J

26.0 pts
Unweighted: 18 advantages
EnginePerformanceDimensionsBrakesTyresOther

KTM 85 SX

13.0 pts
Unweighted: 7 advantages
EnginePerformanceDimensionsBrakesTyresOther
Specification
JAWA 42 J
JAWA 42 J
Jawa
KTM 85 SX
KTM 85 SX
KTM

Engine Specifications

Cooling System Liquid cooling (0.8L)
Displacement 334 cc 84.9 cc
Engine Type Single Cylinder, 4 Stroke, Liquid Cooled, DOHC 1-cylinder, 2-stroke engine
Power 29.17 PS 15.5 bhp @ 11500 rpm
Torque 29.62 Nm 14 Nm @ 8500 rpm

Performance & Efficiency

Fuel Tank Capacity 12 L 5.2 L
Mileage 30 kmpl 25 kmpl

Dimensions & Weight

Kerb Weight 184 kg approx. 67 kg (without fuel)
Seat Height 790 mm 865 mm

Brakes & Suspension

ABS Dual Channel ABS
Front Brake Disc With Floating Caliper 320 mm Disc 240 mm
Front Suspension Telescopic Forks, Ø 41 mm XACT 43 WP Upside-Down fork, Ø 43 mm
Rear Brake Disc With Floating Caliper 240 mm Disc 220 mm
Rear Suspension Twin Shock Absorber With 5-step Adjustable Pre-load XACT WP PDS mono shock

Tyres & Wheels

Front Tyre 100/90-18, 56H 70/100 - 17
Rear Tyre 140/70-17, 66H 90/100 - 14
Tyre Type Tube Tubed
Wheel Type Spoke Spoke

Other Specifications

Battery MF Battery
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 Deep Black Matte Black Clad Aurora Green Matte Deep Black Matte Red Clad Cosmo Blue Matte Orange
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. Not road legal and suitable only for off-road tracks. High maintenance due to 2-stroke engine rebuilds. Kick-start only, no electric start option. Relatively expensive compared to other youth dirt bikes. Small fuel tank limits long riding sessions.
Detailed Overview Riding the Jawa 42 FJ feels like you’re commanding a machine that strikes a rare balance — it’s rugged without being raw, modern without giving up its classic soul. Under its skin lives a 334 cc, single-cylinder, liquid-cooled DOHC engine that’s tuned to generate about 29.17 PS of power and 29.62 Nm of torque. That power figure isn’t about wild acceleration; it’s about usable, confident torque right in the midrange — the kind that lets you surge past slow-moving traffic or carry speed comfortably once you’re out on open roads. Because the engine is liquid-cooled, it resists overheating even in stop-go traffic or during longer rides, which is a big plus for both city commuters and weekend travellers. Paired with that engine is a 6-speed constant-mesh gearbox, which gives the 42 FJ a flexibility that many retro-inspired bikes lack. In the city, lower gears help you navigate tight turns and slow zones; crank into the higher gears on the highway, and the bike relaxes into a smooth, sustained rhythm — it doesn’t feel stressed or out of breath. The assist-and-slipper clutch makes downshifts lighter and safer, especially when you’re slowing down hard or tackling steep terrain. This kind of setup means you don’t have to wrestle with clutch levers constantly — the bike does a lot of the work for you. On the road, the frame’s double-cradle design gives the bike a stable backbone. The front suspension is handled by telescopic forks (41 mm), while the rear uses twin shock absorbers with 5-step preload adjustment. In real-world terms, that means potholes and rough patches don’t slam into your spine — there’s just enough give to absorb most imperfections without turning the ride into a mushy mess. Once the road smooths out, the brakes — dual disc with floating calipers and dual-channel ABS — give strong, predictable bite. You feel secure braking hard, even when you’re leaning into a turn or coming down from highway speed. The motorcycle’s dimensions also contribute to its confidence-in-motion: a wheelbase of 1,440 mm gives it stability, while a seat height of 790 mm makes it accessible for many riders without feeling too compact. Ground clearance sits at 178 mm, which helps when you’re navigating over uneven terrain or clearing speed breakers — something very relevant in real-world road conditions. At a kerb weight of around 184 kg, it’s not feather-light, but once moving, it feels planted rather than ponderous. In city traffic, the weight is manageable; on highways, it adds to the sense that the bike is confident and steady. Fueling comes from injection, and though the claimed tank capacity is 12 litres, the real-world balance likely leans toward practicality over long-range touring. For regular commuting and moderate weekend rides, that tank paired with the efficient engine should work well, though it may not give you motorway-range without a stop. Riders who expect to do long-haul touring might need to plan fuel stops more carefully. The wheels are wrapped in road-friendly tyres (100/90-18 up front, 140/70-17 at the rear), which, along with the disc-brake setup, reinforce good grip and handling. The brakes feel responsive — not grabby, but confident. That’s exactly what you want when your speed is building or when traffic messes up your smooth ride. Electronics on the 42 FJ are minimal but practical: there’s a fully digital instrument cluster that shows speed, gear position, fuel, and trip details — all clearly visible so you don’t have to squint or guess. No flashy connectivity gimmicks, but the essentials are covered well. The exhaust comes in a twin layout, which gives the FJ a good exhaust note — neither too loud to be annoying in residential areas, nor too soft to sound uninspiring. In terms of design, the 42 FJ stands out. The brushed aluminium cladding on the tank gives it a distinctive, premium look. It’s not just retro for retro’s sake — the styling feels purposeful, with a bold, modern twist. Colours range from deep matte shades to dual-tone finishes, giving riders a variety of looks to express themselves. Price-wise, the ex-showroom figure starts at around ₹1.93 lakhs and can go to about ₹2.2 lakhs depending on variant and location. Riding one means committing to a machine that’s not just about show: you’re getting a bike with real substance — capable of daily commuting, capable of enjoyable weekend rides, and capable of delivering a retro-modern experience without too many compromises. 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 85 SX is one of the most popular and respected youth motocross bikes in the world, designed specifically for young riders who are ready to take the next big step toward competitive racing. More than just a beginner’s off-road bike, the 85 SX brings true race-bred DNA from KTM’s full-size SX lineup, giving upcoming racers the opportunity to experience high-level performance at an early age. With its sharp power delivery, lightweight design, and premium components, the bike is built to help young riders improve skills and confidently tackle motocross tracks. At the heart of the KTM 85 SX lies its 84.9cc 2-stroke, liquid-cooled engine, which is known for delivering punchy power and rapid acceleration. The powervalve system ensures that the engine produces strong torque across the rev range, making the bike easier to control while still offering impressive performance. Whether riders are attacking tight corners or hitting long straights, the engine responds crisply and delivers the thrilling character 2-strokes are known for. Paired with a 6-speed gearbox, the bike offers smooth shifting and plenty of flexibility for both beginners and experienced youth racers. One of the standout features of the 85 SX is its lightweight chassis, made with high-strength chromoly steel. This frame not only enhances stability but also ensures precise handling, allowing riders to maneuver confidently through jumps, whoops, and rough terrain. The ergonomics are thoughtfully designed to fit young riders, offering a slim body that allows easy movement, better grip, and improved control during aggressive riding. Suspension is another area where KTM excels, and the 85 SX is no exception. It comes equipped with WP XACT suspension, featuring an AER air fork at the front and a fully adjustable shock absorber at the rear. This setup provides excellent damping, great response on jumps, and impressive support on uneven surfaces. Riders can also fine-tune the suspension to match their weight, riding style, and track conditions — something rarely seen in youth motocross bikes. The bike also features powerful disc brakes on both ends, giving young riders the confidence to brake hard into corners. The wave-style discs help with heat dissipation, which is especially important during long practice sessions or competitive races. Lightweight wheels, grippy motocross tyres, and a race-focused design further enhance the overall performance package. In terms of ergonomics, the KTM 85 SX is designed to feel like a miniature version of the bigger SX bikes. The seat height, handlebar position, and narrow bodywork all work together to provide comfort while promoting proper riding posture. This allows young riders to develop good habits early in their riding journey. Overall, the KTM 85 SX is a bike built for serious young racers who want real performance, durability, and race-ready features. With its responsive engine, excellent suspension, strong brakes, and lightweight build, it stands out as one of the top choices in the youth motocross segment. Whether used for training or competition, the 85 SX gives riders a true taste of professional motocross performance.
Expert Review MotoAutiv Team 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 mileage? A: The mileage is around 18–20 kmpl (may vary as it’s an off-road motocross bike). Q: What is the engine capacity? A: The KTM 85 SX comes with an 84.9 cc 2-stroke engine. Q: What is the seat height? A: The seat height is approximately 850 mm. Q: What is the top speed? A: The top speed is around 110 km/h, depending on rider and terrain. Q: Does the KTM 85 SX have electric start? A: No, it comes with a kick-start mechanism. Q: What is the fuel tank capacity? A: The fuel tank capacity is 5.2 liters. Q: Is the KTM 85 SX road legal? A: No, it is not road legal as it is designed specifically for motocross/off-road racing. Q: What type of brakes does it have? A: It features disc brakes at both front and rear. Q: Is the KTM 85 SX suitable for beginners? A: It is ideal for youth riders transitioning to higher-powered bikes, but not recommended for complete beginners. Q: What is the weight of the bike? A: The bike weighs approximately 68 kg (dry weight).
Fuel System Electronic Fuel Injection
Price Variants | 193000 | 669000
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. Powerful 2-stroke engine with strong mid-range performance. Lightweight chassis for excellent handling on tracks. Premium WP suspension for smooth jumps and rough terrain. Strong disc brakes offering sharp stopping power. Race-ready ergonomics designed for young motocross riders.
Starter Kickstarter
Transmission 6–Speed 6 Speed Manual