KTM 250 Duke vs Yamaha FZ Blue Flex

Last Updated: September 28, 2026

Yamaha FZ Blue Flex price starts at Rs. 1.25 Lakh, which is Rs. 1.01 Lakh cheaper than the base variant of KTM 250 Duke, priced at Rs. 2.27 Lakh. On the performance front, the 250 Duke uses a 249.07cc engine producing 31 PS @ 9250 rpm and the FZ Blue Flex a 149cc engine producing 11.7 PS @ 7250 rpm. If you're deciding between the 250 Duke and FZ Blue Flex, the FZ Blue Flex is the better pick for affordability and a lighter kerb weight, while the 250 Duke stands out for performance.

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250 Duke vs FZ Blue Flex Comparison Summary

Specification KTM 250 DukeYamaha FZ Blue Flex
Ex-showroom price (base) Rs. 2.27 LakhRs. 1.25 Lakh
Mileage 30.08 kmplNot Available
Engine 249.07 cc149 cc
Max power 31 PS @ 9250 rpm11.7 PS @ 7250 rpm
Kerb weight 162.8 Kg139 Kg

250 Duke vs FZ Blue Flex Key Highlights

Basic Info KTM 250 Duke STDYamaha FZ Blue Flex STD
Rating
102 reviews
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Brand Name KTM Yamaha
Ex-Showroom Price Rs. 2.27 Lakh Check On Road Price Rs. 1.25 Lakh Check On Road Price
Engine Type Single Cylinder, Liquid Cooled, LC4c, SOHC, FI Air cooled, 4-stroke, SOHC, 2-Valve
Max Power 31 PS @ 9250 rpm 11.7 PS @ 7250 rpm
Fuel Type Petrol Petrol
Colors
KTM 250 Duke Colors
Yamaha FZ Blue Flex Colors
Braking Type Not Available Anti-lock Braking System
Wheel Size Front :-431.8 mm,Rear :-431.8 mm Front :-17 Inch,Rear :-17 Inch
Wheels Type (Pressed Steel/ Alloy) Alloy Alloy
ABS Dual Channel Single Channel
Starting Self Start Only Self Start Only
Speedometer Digital Digital
EMI
Rs. 6,209 @ 6% (36 months)
Rs. 3,615 @ 9.45% (36 months)
Insurance Rs. 11,294 250 Duke Insurance Rs. 6,935 FZ Blue Flex Insurance
Brochure
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Spark Plugs
1 Per Cylinder
Not Available
Valves (per cylinder)
4
2
Claimed Top Speed
148 kmph
Not Available
Emission Norm Compliance
bs6.2
bs6.2
Flex Fuel Blend
Not Available
E85
Engine Type
Single Cylinder, Liquid Cooled, LC4c, SOHC, FI
Air cooled, 4-stroke, SOHC, 2-Valve
Engine Displacement
249.07 cc
149 cc
Gear Box
6 Speed
5 Speed
Max Power
31 PS @ 9250 rpm
11.7 PS @ 7250 rpm
Max Torque
25 Nm @ 7250 rpm
12.8 Nm @ 6000 rpm
Bore
72 mm
57.3 mm
Stroke
61.1 mm
57.9 mm
Number Of Cylinders
1
1
Drive Type
Chain Drive
Chain Drive
Fuel System
Fuel Injection
Fuel Injection
Fuel Type
Petrol
Petrol
Compression Ratio
12.63:1
9.6 : 1

Front Brake
Disc
Disc
Rear Brake
Disc
Disc
Front Caliper
4 Piston
Not Available
Rear Caliper
2 Piston
Not Available
Braking Type
Not Available
Anti-lock Braking System

Mileage (Overall)
30.08 kmpl
Not Available
Average Speed
Yes
Not Available
Estimated Mileage
30-35 kmpl
Not Available
Fuel Gauge
Digital
Digital

Suspension-Front
Wp Apex Usd Forks, 43 mm Diameter
Telescopic Fork
Suspension-Rear
Wp Apex Monoshock, 10 Step Preload Adjustable
Swingarm

Front Tyre Pressure (Rider)
29 psi
Not Available
Front Tyre Pressure (Rider and Pillion)
29 psi
Not Available
Rear Tyre Pressure (Rider)
32 psi
Not Available
Rear Tyre Pressure (Rider and Pillion)
32 psi
Not Available
Tyre Size
Front :-110/70-17, Rear :-150/60-17
Front :-100/80-17,Rear :-140/60-17
Wheel Size
Front :-431.8 mm,Rear :-431.8 mm
Front :-17 Inch,Rear :-17 Inch
Tyre Type
Tubeless
Tubeless
Radial Tyre
Not Available
Yes
Wheels Type (Pressed Steel/ Alloy)
Alloy
Alloy

Seat height
820 mm
790 mm
Fuel Tank Reserve Capacity
3 L
Not Available
Length*Width*Height
Not Available
2000*780*1065 mm3
Wheelbase
1354 mm
1330 mm
Length
Not Available
2000 mm
Ground Clearance
176 mm
135 mm
Height
Not Available
1065 mm
Width
Not Available
780 mm
Fuel Tank Capacity
15 L
12 L
Kerb Weight
162.8 Kg
139 Kg
Tail Light
LED
LED
Front Brake Size
320 mm
282 mm
Rear Brake Size
240 mm
220 mm

Battery Type
Not Available
Lead Acid
Call/SMS Alerts
Yes
Not Available
USB charging port
Yes
Not Available
Headlight
LED
LED
Battery Capacity
12V / 8AH
Not Available

Frame Type
Split Trellis Frame, Aluminum Casted Sub-Frame
Not Available
Digital Display Type
TFT
LCD
Malfunction Indicator
Yes
Yes
Trip Meter
Digital
Digital
Vehicle Location Tracking
Yes
Not Available
Pillion Seat
Yes
Yes
Pillion Grab Rail
Yes
Yes
Calls and Messaging
Yes
Not Available
Navigation assist
Yes
Yes
Riding Modes
Track,Street
Not Available
Kill Switch
Yes
Yes
Low battery alert
Yes
Not Available
No. of Tripmeters
2
Not Available
Engine Temperature Indicator
Yes
Not Available
Rear Footpegs
Yes
Yes
Multi-function Lock
Not Available
Yes
Daytime Running Lamps
Yes
Yes
Additional Features/Information
Super Moto ABS, Quickshifter+
Not Available
Gear Position Indicator
Yes
Yes
Average Fuel Economy Indicator
Yes
Not Available
ABS Type
Dual Channel
Single Channel
Navigation Type
Not Available
Turn-by-turn
Side Stand Warning
Yes
Yes
Physical Key
Not Available
Yes
Exhaust Heat Shield
Not Available
Yes
Front Footpegs
Not Available
Forward-set
Idle Stop/Start
Not Available
Yes
ABS
Dual Channel
Single Channel
Body Type
Sports Naked Bikes, Sports Bikes
Sports Bikes
Body Graphics
Yes
Not Available
Instrument Console Type
Digital
Digital
Bluetooth Connectivity
Bluetooth
Not Available
Internet Connectivity
Yes
Not Available
Starting
Self Start Only
Self Start Only
Seat Type
Single
Single
Pass Beam Switch
Yes
Yes
Speedometer
Digital
Digital
Mobile Application
Yes
Not Available
Tachometer
Digital
Digital
Low Fuel Warning Lamp
Yes
Yes
Clock
Digital
Yes
Low Battery Indicator
Yes
Not Available
Low Oil Indicator
Yes
Not Available
Cooling System
Liquid Cooled
Air Cooled
Key Shutter Lock
Not Available
Yes
Odometer
Digital
Digital
Navigation
Yes
Yes
Service Due Indicator
Yes
Yes
Switchable ABS
Yes
Not Available
Saree Guard
Yes
Yes
Shift Light
Yes
Yes
Quick Shifter
Yes
Not Available
Hazard Light Switch
Yes
Yes

1st Service
1000 Km / 2 Months
Not Available
2nd Service
8500 Km / 5 Months
Not Available
3rd Service
16000 Km / 8 Months
Not Available

Vehicle Warranty
2 Years or 50,000 Km
Not Available
Standard Warranty (Years)
2
Not Available
Standard Warranty (kilometers)
50000
Not Available

Pros and Cons

  • Positives
  • Negatives
KTM 250 Duke
  • Looks Stunning, Quickshifter is really smooth, Exciting yet tractable engine
KTM 250 Duke
  • Can be cramped for taller riders, Slightly dull at slow speeds, Inconsistent fit and finish
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KTM 250 Duke Comparison with Similar Bikes

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Recently Asked User Questions

Q. Is duke 250 better than hunter 350
  • Graphite 2gear position indicator hei ya nei ?
  • The Royal Enfield Classic 350 offers a relaxed, retro riding experience with strong low-end torque, while the KTM Duke 250 delivers a sportier, performance-focused ride with sharper handling. For a detailed comparison, click on the given link.https://www.zigwheels.com/bike-comparison/ktm-duke-250-vs-royal-enfield-hunter

KTM 250 Duke Vs Yamaha FZ Blue Flex FAQs

Which bike is cheaper KTM 250 Duke vs Yamaha FZ Blue Flex?
The Yamaha FZ Blue Flex is cheaper than KTM 250 Duke by ₹1.01 Lakh.
Which bike offers better performance KTM 250 Duke vs Yamaha FZ Blue Flex?
For the STD version, 249.07 cc Petrol engine of 250 Duke produces 31 PS @ 9250 rpm of power and 25 Nm @ 7250 rpm of torque. Whereas for the STD version, 149 cc Petrol engine of FZ Blue Flex produces 11.7 PS @ 7250 rpm of power and 12.8 Nm @ 6000 rpm of torque

Images of KTM 250 Duke and Yamaha FZ Blue Flex

Which one do you like more?
FZ Blue Flex
FZ Blue Flex
250 Duke
250 Duke
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