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Jawa 42 FJ vs KTM 250 Duke

Choosing between the Jawa 42 FJ vs KTM 250 Duke? BikeJunction is here to help! The 42 FJ starts at ₹ 2.02 Lakh, while the 250 Duke is priced at ₹ 2.27 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 250 Duke gives 25 Nm @ 7250 rpm torque. Apart from all this, you can pick from 11 colour options for the 42 FJ and 3 for the 250 Duke. you will get a more extensive comparison of Jawa 42 FJ and KTM 250 Duke, which will definitely clear your confusion between these two-wheelers.

Jawa 42 FJ vs KTM 250 Duke Comparison Overview

Key Highlights42 FJ250 Duke
Price₹ 2.02 Lakh₹ 2.27 Lakh
Displacement334 CC249.07 CC
Power28.76 bhp @ 7500 rpm30.57 bhp @ 9250 rpm
Mileage32 KMPL31 KMPL
Top Speed140 kmph148 kmph
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Engine
Max Power
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Highest power the engine/motor can produce.

28.76 bhp @ 7500 rpm 30.57 bhp @ 9250 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 25 Nm @ 7250 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 12.63:1
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, FI Engine
Displacement
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Engine cylinder capacity measured in cc.

334 249.07
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 mm72 mm
Peak Power
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Highest power a bike/scooter can produce.

N/A 31 W
Range
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The maximum distance an electric two-wheeler can travel on a full charge.

N/A 465 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 mm61.1 mm
Speed
Top Speed140 Km/h148 Km/h
Tyres & Wheels
Tyre SizeFront: 100/90-18, 56H / Rear: 140/70-17, 66H N/A
Wheel SizeFront :-18 Inch,Rear :-17 Inch N/A
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 mmN/A
Radial Tyre
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A tyre with strong sidewalls and better grip, durability, and heat resistance.

No Yes
Front Tyre Pressure Rider23 psi29 psi
Front Tyre Pressure Rider And Pillion23 psi29 psi
Rear Tyre Pressure Rider28 psi32 psi
Rear Tyre Pressure Rider And Pillion30 psi32 psi
Brakes
Abs
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(Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety.

Dual Channel Bosch Dual Channel
Braking TypeDual Channel ABS N/A
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 Street Bike
Frame
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The main structure holding the bike together.

Double Cradle Split-Trellis Frame
Ground Clearance
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Distance between the bike’s lowest part and the ground.

175 mm176 mm
Kerb Weight
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Bike’s weight with fuel and fluids.

184 Kg162.8 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 800820 mm
Seat Height
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Distance from the ground to the seat.

797 mm800 mm
Electrical Accessories
Mobile Connectivity
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A feature to connect your phone to the two-wheeler's system.

N/A Yes
Bluetooth Connectivity
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Wireless connection for calls, music, and navigation.

Yes N/A
Usb Charging Port
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A USB slot to charge devices like phones.

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

N/A No
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" LCD 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 2 V, 8 AH
Shockers
Suspension FrontTelescopic Forks, Ø 41 mm WP APEX USD forks, 43mm diameter
Suspension RearTwin shock absorber with 5-step Adjustable Pre load WP APEX Monoshock, 10-step preload adjustable
Seat
Stepup SeatNo N/A
Others
Additional FeaturesN/A Quickshifter+, Ride-by-wire
Navigation
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A feature that provides turn-by-turn directions on the two-wheeler display or connected device.

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
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Pros and Cons

Pros Jawa 42 FJ
  • Distinctive neo retro styling
  • 334 cc engine with useful performance
  • 797 mm seat height
  • Dual channel ABS
  • Adjustable rear suspension
  • Digital instrument cluster with Bluetooth
  • Tubeless alloy wheels
Pros KTM 250 Duke
  • Sharp and stylish streetfighter design
  • Excellent handling and cornering stability
  • One of the best-performing engine in the segment

Images of 42 FJ and 250 Duke

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KTM 250 Duke Comparison with Similar Bikes

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Latest News on 42 FJ and 250 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 250 Duke

Q. What is the price difference Jawa 42 FJ and KTM 250 Duke?

A. The 42 FJ is currently priced at ₹ 2.02 Lakh and the 250 Duke costs around ₹ 2.27 Lakh in India. Among them, the ₹ 2.02 Lakh is more affordable.

Q. Which is more suitable, Jawa 42 FJ and KTM 250 Duke?

A. 42 FJ has an average rating of 5. On the other hand, 250 Duke comes with 4.3

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