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Jawa 42 FJ vs KTM 390 Duke

Choosing between the Jawa 42 FJ vs KTM 390 Duke? BikeJunction is here to help! The 42 FJ starts at ₹ 2.02 Lakh, while the 390 Duke is priced at ₹ 2.84 Lakh (ex-showroom). You can easily compare all the required parameters for your new two-wheeler. These two-wheelers have powerful motors with good performance. Among them, the 42 FJ offers 29.62 Nm @ 6000 rpm torque. The 390 Duke gives 33.5 Nm @ 7000 rpm torque. Apart from all this, you can pick from 11 colour options for the 42 FJ and 5 for the 390 Duke. you will get a more extensive comparison of Jawa 42 FJ and KTM 390 Duke, which will definitely clear your confusion between these two-wheelers.

Jawa 42 FJ vs KTM 390 Duke Comparison Overview

Key Highlights42 FJ390 Duke
Price₹ 2.02 Lakh₹ 2.84 Lakh
Displacement334 CC349.32 CC
Power28.76 bhp @ 7500 rpm40.93 bhp @ 8600 rpm
Mileage32 KMPL28 KMPL
Top Speed140 kmph160 kmph
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Engine
Max Power
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Highest power the engine/motor can produce.

28.76 bhp @ 7500 rpm 40.93 bhp @ 8600 rpm
Max Torque
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The highest twisting force the engine generates, which affects acceleration and pulling power.

29.62 Nm @ 6000 rpm 33.5 Nm @ 7000 rpm
Battery TypeN/A 12 V, 8 AH MF battery
Compression Ratio
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Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability.

11:1 12.68:1
Cooling System
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Method used to prevent engine overheating.

Liquid Cooled Liquid cooling with radiator
Emission Type
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Pollution level compliance of the engine.

BS6.2 BS6 Phase 2
Engine Type
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Design and working of the two-wheeler's engine.

Single Cylinder, 4 Stroke, Liquid Cooled, DOHC Single Cylinder Liquid Cooled, 4 stroke, DOHC, Internal Combustion Engine
Displacement
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Engine cylinder capacity measured in cc.

334 349.32
Bore
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Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed.

81 mm89 mm
Charging At Charging StationN/A No
Charging At HomeN/A No
Charging Station LocaterN/A No
Launch Control
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System for fast, controlled acceleration.

N/A Yes
Peak Power
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Highest power a bike/scooter can produce.

N/A 43 W
Quick Shifter
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A feature that allows gear shifting without clutch.

N/A Yes
Range
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The maximum distance an electric two-wheeler can travel on a full charge.

N/A 450 Km
Stroke
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Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM.

65 mm56.15 mm
Speed
Top Speed140 Km/h160 Km/h
Tyres & Wheels
Tyre SizeFront: 100/90-18, 56H / Rear: 140/70-17, 66H Front : 110/70-17, Rear : 150/60-17
Wheel SizeFront :-18 Inch,Rear :-17 Inch Front : 431.8 mm, Rear : 431.8 mm
Tubeless Tyre
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A tyre without an inner tube, reducing puncture risks and maintaining air longer.

Tubeless Tubeless
Wheelbase
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The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort.

1440 mm1354 mm
Radial Tyre
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A tyre with strong sidewalls and better grip, durability, and heat resistance.

No Yes
Front Tyre Pressure Rider23 psiN/A
Front Tyre Pressure Rider And Pillion23 psiN/A
Rear Tyre Pressure Rider28 psiN/A
Rear Tyre Pressure Rider And Pillion30 psiN/A
TublessN/A Yes
Brakes
Rear BrakeDisc Disc with Floating calliper
Front BrakeDisc Disc with Radially mounted calliper
Fuel
Fuel SupplyFuel Injection Bosch Electronic Fuel Injection
Fuel Capacity12 L15 L
Fuel ReserveN/A 3 L
Body
Body Type
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The overall design and shape of the bike (e.g., cruiser, sports, scooter).

Roadster Bikes Naked Bike
Frame
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The main structure holding the bike together.

Double Cradle Split-Trellis Frame
Dry Weight
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Bike’s weight without fuel and fluids.

N/A 163 Kg
Ground Clearance
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Distance between the bike’s lowest part and the ground.

175 mm183 mm
Kerb Weight
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Bike’s weight with fuel and fluids.

184 Kg168.3 Kg
Passenger Backrest
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A support accessory for the passenger’s back.

N/A No
Passenger Footrest
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A component which support foots of the passenger.

N/A Yes
Saddle Height
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Distance from the ground to the seat.

N/A 800 mm
Seat Height
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Distance from the ground to the seat.

797 mm800 mm
Electrical Accessories
Charging Point
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A port to charge devices or the two-wheeler's battery.

N/A Yes
Mobile Connectivity
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A feature to connect your phone to the two-wheeler's system.

N/A Yes
Switches & Controls
Riding Modes
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Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery.

N/A Street & Rain
Starting
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The method to start the bike (e.g., electric start, kick start, or both).

Self Start Only Electric Start
Meter
Display
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A screen that shows important riding information like speed, fuel, and trip details.

LCD 5" TFT dash display
Distance To Empty Indicator
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Estimates how far you can ride before the fuel runs out.

N/A No
Lights
Head LightLED Full Split LED Headlamp
DrlsN/A Yes
Battery
Battery Capacity
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Total energy the battery can store.

N/A 12 V, 8 AH
Shockers
Suspension FrontTelescopic Forks, Ø 41 mm 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter
Suspension RearTwin shock absorber with 5-step Adjustable Pre load Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable
Seat
Seat Type
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The design of the seat that affects comfort and seating position.

Single Split
Stepup SeatNo Yes
Others
Additional FeaturesN/A Ride modes - Street & Rain, Motorcycle Traction Control (MTC), Track Screen, Ride-by-wire, Quickshifter+
Anti Theft Alarm
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Alerts if someone tries to steal or tamper with the bike.

N/A Yes
Navigation
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A feature that provides turn-by-turn directions on the two-wheeler display or connected device.

N/A Yes
Mobile Application
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A companion app to monitor bike stats, location, and settings.

N/A Yes
Call Sms Alerts
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Notifies you of incoming calls or messages on the bike’s screen.

Yes N/A
OtaNo N/A
Cruise Control
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A feature in which rider can set a steady speed without using the throttle.

N/A Yes
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Images of 42 FJ and 390 Duke

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Jawa 42 FJ Comparison with Similar Bikes

KTM 390 Duke Comparison with Similar Bikes

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Latest News on 42 FJ and 390 Duke

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User Reviews of 42 FJ

5 Rating

The 42 FJ Fits My Mixed Routes

The tubeless tyres suit the way my routes change during the week, from smooth roads to rough patches without much warning. I can keep riding without giving every change in surface too much thought. Bluetooth connectivity brings a completely different side to the 42 FJ. When I head somewhere unfamiliar, I can stay connected for navigation instead of pulling out my phone at every turn. I like having a motorcycle that works with both the road and the way I travel.
1 Oct 2026|Rajat
View All Jawa 42 FJ ReviewsView All Jawa 42 FJ Reviews

FAQs about 42 FJ and 390 Duke

Q. What is the price difference Jawa 42 FJ and KTM 390 Duke?

A. The 42 FJ is currently priced at ₹ 2.02 Lakh and the 390 Duke costs around ₹ 2.84 Lakh in India. Among them, the ₹ 2.02 Lakh is more affordable.

Q. Which is more suitable, Jawa 42 FJ and KTM 390 Duke?

A. 42 FJ has an average rating of 5. On the other hand, 390 Duke comes with 4.4

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