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Jawa 42 FJ vs Triumph Thruxton 400

Choosing between the Jawa 42 FJ vs Triumph Thruxton 400? BikeJunction is here to help! The 42 FJ starts at ₹ 2.02 Lakh, while the Thruxton 400 is priced at ₹ 2.75 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 Thruxton 400 gives 37.5 Nm @ 7500 rpm torque. Apart from all this, you can pick from 11 colour options for the 42 FJ and 4 for the Thruxton 400. you will get a more extensive comparison of Jawa 42 FJ and Triumph Thruxton 400, which will definitely clear your confusion between these two-wheelers.

Jawa 42 FJ vs Triumph Thruxton 400 Comparison Overview

Key Highlights42 FJThruxton 400
Price₹ 2.02 Lakh₹ 2.75 Lakh
Displacement334 CC349 CC
Power28.76 bhp @ 7500 rpm 41.4 bhp @ 9,000 rpm
Mileage32 KMPL27 KMPL
Top Speed140 kmph157 kmph
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Engine
Max Power
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Highest power the engine/motor can produce.

28.76 bhp @ 7500 rpm 41.4 bhp @ 9,000 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 37.5 Nm @ 7500 rpm
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 12:1
Emission Type
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Pollution level compliance of the engine.

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

Single Cylinder, 4 Stroke, Liquid Cooled, DOHC Liquid-cooled, single-cylinder, 4 valve, DOHC
Displacement
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Engine cylinder capacity measured in cc.

334 349
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
Peak Power
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Highest power a bike/scooter can produce.

N/A 29419.9 W
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 mm64 mm
Valve Per Cylinder
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Number of valves in each engine cylinder.

4 N/A
Speed
Top Speed140 Km/h157 Km/h
Tyres & Wheels
Tyre SizeFront: 100/90-18, 56H / Rear: 140/70-17, 66H Front : 110/70 R17 , Rear: 150/60 R17
Wheel SizeFront :-18 Inch,Rear :-17 Inch Front : 17 x 3.0 inch, Rear : 17 x 4.0 inch
Wheels TypeAlloy Cast Aluminium Alloy
Tubeless Tyre
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A tyre without an inner tube, reducing puncture risks and maintaining air longer.

Tubeless N/A
Ignition
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The system that starts the engine, usually via a key, button, or smart start.

CDI N/A
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 mm1376 mm
Radial Tyre
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A tyre with strong sidewalls and better grip, durability, and heat resistance.

No N/A
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
Brakes
Braking TypeDual Channel ABS N/A
Front Brake Diameter320 mm300 mm
Rear Brake Diameter240 mm230 mm
Fuel
Fuel SupplyFuel Injection N/A
Fuel Capacity12 L13 L
Body
Body Type
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The overall design and shape of the bike (e.g., cruiser, sports, scooter).

Roadster Bikes Cafe Racer Bikes
Frame
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The main structure holding the bike together.

Double Cradle Hybrid spine/perimeter, tubular steel, bolt-on rear subframe
Ground Clearance
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Distance between the bike’s lowest part and the ground.

175 mmN/A
HeightN/A 1110 mm
Kerb Weight
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Bike’s weight with fuel and fluids.

184 KgN/A
LengthN/A 1116 mm
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
Seat Height
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Distance from the ground to the seat.

797 mm795 mm
WidthN/A 775 mm
Electrical Accessories
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
Starting
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The method to start the bike (e.g., electric start, kick start, or both).

Self Start Only Self Start
Engine Kill Switch
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A button to instantly turn off the engine for safety and convenience.

Yes N/A
Pass Switch
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A switch to flash the high beam, signaling other vehicles while overtaking.

Yes N/A
Traction Control
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A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces.

N/A Yes
Meter
Display
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A screen that shows important riding information like speed, fuel, and trip details.

LCD N/A
Fuel Gauge
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Indicates the current fuel level in the tank.

Digital N/A
Instrument Console
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The main dashboard displaying speed, fuel, engine stats, and warnings.

Digital Semi-Digital
Speedometer
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Displays the current speed of the bike in km/h or mph.

Digital Analogue
ClockYes N/A
Low Battery Indicator
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Warns when the battery charge is low and may need recharging or replacement.

Yes N/A
Low Oil Indicator
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Alerts when engine oil is low, preventing damage and ensuring smooth performance.

Yes N/A
Service Due Indicator
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Reminds when the next bike servicing or maintenance is needed.

Yes N/A
Clutch & Gear
Clutch
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A device that connects and disconnects the engine from the wheels for smooth gear shifts.

Assist And Slipper Clutch Wet, multi-plate, slip & assist
Lights
Head LightLED N/A
Tail LightLED N/A
DrlsN/A Yes
Led Tail Light
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Energy-efficient, bright rear light.

Yes N/A
Shockers
Suspension FrontTelescopic Forks, Ø 41 mm 43mm upside down Big Piston forks. 135mm wheel travel
Suspension RearTwin shock absorber with 5-step Adjustable Pre load Gas monoshock RSU with external reservoir and pre-load adjustment. 130mm wheel travel
Seat
Seat Type
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The design of the seat that affects comfort and seating position.

Single N/A
Stepup SeatNo N/A
Others
Additional FeaturesN/A Ride-by-wire throttle
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 No
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Images of 42 FJ and Thruxton 400

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Latest News on 42 FJ and Thruxton 400

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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 Thruxton 400

Q. What is the price difference Jawa 42 FJ and Triumph Thruxton 400?

A. The 42 FJ is currently priced at ₹ 2.02 Lakh and the Thruxton 400 costs around ₹ 2.75 Lakh in India. Among them, the ₹ 2.02 Lakh is more affordable.

Q. Which is more suitable, Jawa 42 FJ and Triumph Thruxton 400?

A. 42 FJ has an average rating of 5. On the other hand, Thruxton 400 comes with 4.7

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