VS

Quick Analysis

JAWA 42 J

33.0 pts
Unweighted: 22 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther

KTM 65 SX

6.5 pts
Unweighted: 3 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Specification
JAWA 42 J
JAWA 42 J
Jawa
KTM 65 SX
KTM 65 SX
KTM

Engine Specifications

Cooling System Liquid Cooled
Displacement 334 cc 64.9 cc
Engine Type Single Cylinder, 4 Stroke, Liquid Cooled, DOHC 1-cylinder, 2-stroke engine
Power 29.17 PS 11.2 bhp @ 11500 rpm
Torque 29.62 Nm 10.8 Nm @ 7500 rpm

Performance & Efficiency

Fuel Tank Capacity 12 L 4.5 L
Mileage 32 kmpl 30 kmpl

Dimensions & Weight

Kerb Weight 184 62 kg
Seat Height 790 730 mm

Brakes & Suspension

ABS Dual Channel ABS
Front Brake Disc With Floating Caliper 320 mm Disc 198 mm
Front Suspension Telescopic Forks, Ø 41 mm XACT 35 WP Upside-Down fork, Ø 35 mm
Rear Brake Disc With Floating Caliper 240 mm Disc 180 mm
Rear Suspension Twin Shock Absorber With 5-step Adjustable Pre-load XACT WP mono shock

Tyres & Wheels

Front Tyre 100/90-18, 56H 60/100 - 14
Rear Tyre 140/70-17, 66H 80/100 - 12
Tyre Type Tube Tubed
Wheel Type Spoke Spoke

Features & Technology

Headlight LED

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 | #A65A2E Deep Black Matte Black Clad | #1A1A1A Aurora Green Matte | #1A1A1A Deep Black Matte Red Clad | #3F5D4A Cosmo Blue Matte | #2C4E6B 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. High maintenance: being a 2-stroke race bike, it needs frequent servicing and top-end rebuilds. Costly parts: replacement parts (especially race-specific ones) can be expensive. Kick-start only — no electric starter, which may be difficult for smaller/younger riders. Limited fuel capacity: small fuel tank means more frequent refuels. Size limitations: while great for its class, more advanced or heavier riders may outgrow it soon. Not road legal — strictly made for off-road/motocross use.
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 65 SX is one of the most iconic and trusted youth motocross bikes in the world, built for young riders who are ready to step into competitive racing. Designed as a bridge between mini dirt bikes and full-size motocross machines, the 65 SX gives young racers the taste of real racing performance with features inspired directly from KTM’s bigger SX lineup. For many aspiring riders, this bike marks the beginning of a serious motocross journey. At the core of the KTM 65 SX is its 64.9 cc 2-stroke, liquid-cooled engine, designed to deliver smooth yet powerful performance. The engine is known for its sharp throttle response and punchy powerband, which helps riders tackle jumps, corners, and straights with ease. With its race-tuned powervalve system, the bike offers strong torque and acceleration across the rev range, making it highly competitive on the track. The 6-speed gearbox paired with a hydraulic clutch further enhances control, allowing young riders to shift smoothly and confidently during intense racing situations. One of the major highlights of the 65 SX is its lightweight chassis, which gives the bike excellent agility. Weighing just around 53 kg, it allows young riders to maneuver easily, even in technical sections. The frame is built using high-strength chromoly steel, offering a perfect balance of rigidity and flexibility. This helps maintain stability during high-speed riding while still giving enough flex to absorb rough terrain. Suspension plays a huge role in motocross, and KTM has equipped the 65 SX with premium WP XACT suspension. At the front, it features a 35 mm AER air fork, which allows easy adjustment based on the rider’s weight and riding conditions. At the rear, a fully adjustable WP monoshock ensures consistent damping performance. This suspension setup works beautifully on jumps, whoops, and rutted tracks, making the bike feel planted and confidence-inspiring. Braking is equally impressive, with hydraulic disc brakes on both ends providing sharp stopping power. This is especially important for young racers learning advanced braking techniques such as trail braking and hard corner entries. The wave-style discs also help manage heat buildup during longer motos. The ergonomics of the KTM 65 SX are carefully designed to suit growing riders. The seat height, footpegs, and handlebar position give young riders a natural and balanced stance, allowing them to ride longer with less fatigue. The slim bodywork also makes it easier for riders to shift their weight when cornering or navigating obstacles. Another advantage is its “grow-with-the-rider” setup. Many components, including the handlebar and suspension, can be adjusted, making the bike suitable for a range of ages and sizes. This is one of the reasons why parents and young racers prefer the 65 SX — it adapts as the rider’s skills and physical size improve. Overall, the KTM 65 SX is a race-ready machine built to deliver high performance, reliability, and confidence to young riders entering the world of competitive motocross. With its strong engine, agile handling, premium suspension, and race-focused design, it remains one of the best choices for aspiring motocross champions.
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 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 of the KTM 65 SX is around 20–25 kmpl, depending on riding style. Q: What is the engine capacity? A: It comes with a 64.9 cc 2-stroke engine. Q: What is the top speed? A: The top speed is approximately 95–100 km/h. Q: Does the KTM 65 SX have electric start? A: No, it features a kick-start mechanism. Q: What is the seat height? A: The seat height is roughly 750 mm, suitable for young riders. Q: What is the fuel tank capacity? A: It has a 3.5-liter fuel tank. Q: Is the KTM 65 SX road legal? A: No, it is not road legal, as it is built specifically for motocross. Q: What type of brakes does it have? A: The bike uses hydraulic disc brakes on both front and rear. Q: What is the weight of the bike? A: The KTM 65 SX weighs around 53 kg (dry weight). Q: Is the KTM 65 SX good for beginners? A: Yes, it’s ideal for young riders with some basic experience entering competitive motocross.
Fuel System Electronic 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 | 546500
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. Very lightweight chassis (~53 kg) makes it super agile for young riders. Powerful 64.9 cc 2-stroke engine tuned for competitive performance. High-quality WP XACT suspension (air front fork + mono-shock) gives great control over jumps and bumps. Hydraulic clutch & 6-speed gearbox for smooth gear shifts. Adjustable ergonomics: seat height, handlebar, and bodywork can be tuned to grow with the rider. Strong braking with disc brakes front and rear for reliable stopping power. Built with true “race ready” pedigree — shares tech with bigger KTM SX bikes.
Starter Self Start Kickstarter
Transmission 6–Speed 6 Speed Manual

Stay connected with 🚗 Motoautiv.com ⚡

To get exiting stories, news and automotive content Leave your email 📧 below and Click subscribe Now 🔔✨