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Yamaha FZ Blue Flex vs Yamaha XSR 155

Choosing between the Yamaha FZ Blue Flex vs Yamaha XSR 155? BikeJunction is here to help! The FZ Blue Flex starts at ₹ 1.25 Lakh, while the XSR 155 is priced at ₹ 1.50 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 FZ Blue Flex offers 12.8 Nm @ 6,000 r/min torque. The XSR 155 gives 14.2 Nm @ 7500 rpm torque. Apart from all this, you can pick from 1 colour options for the FZ Blue Flex and 5 for the XSR 155. you will get a more extensive comparison of Yamaha FZ Blue Flex and Yamaha XSR 155, which will definitely clear your confusion between these two-wheelers.

Yamaha FZ Blue Flex vs Yamaha XSR 155 Comparison Overview

Key HighlightsFZ Blue FlexXSR 155
Price₹ 1.25 Lakh₹ 1.50 Lakh
Displacement149 CC155 CC
Power11.5 bhp @ 7,250 rpm18.10 bhp @ 10000 rpm
Mileage50 KMPL45.5 KMPL
Top Speed_125 kmph
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Engine
Max Power
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Highest power the engine/motor can produce.

11.5 bhp @ 7,250 rpm 18.10 bhp @ 10000 rpm
Max Torque
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The highest twisting force the engine generates, which affects acceleration and pulling power.

12.8 Nm @ 6,000 r/min 14.2 Nm @ 7500 rpm
Battery TypeLead Acid N/A
Charging TimeN/A 0
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.

9.6 : 1 11.6 : 1
Cooling System
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Method used to prevent engine overheating.

Air Cooled Liquid Cooled
Emission Type
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Pollution level compliance of the engine.

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

Air cooled, 4-stroke, SOHC, 2-valve Liquid-cooled, 4-stroke, SOHC, 4-valve
Motor Type
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The type of motor used in bikes.

N/A N/A
Power Modes
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Different performance settings in a two-wheeler.

N/A N/A
Displacement
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Engine cylinder capacity measured in cc.

149 155
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.

57.3 mm58 mm
Peak Power
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Highest power a bike/scooter can produce.

N/A 19 W
Range
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The maximum distance an electric two-wheeler can travel on a full charge.

N/A N/A
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.

57.9 mm58.7 mm
Valve Per Cylinder
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Number of valves in each engine cylinder.

2 4
Min ChargeN/A N/A
Max ChargeN/A N/A
Speed
Top SpeedN/A 125 Km/h
Tyres & Wheels
Tyre SizeFront: 100/80-17M/C 52P/ Rear: 140/60R-17M/C 63P Front :-100/80-17 Rear :-140/70-17
Wheel SizeFront :-17 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
Ignition
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The system that starts the engine, usually via a key, button, or smart start.

N/A TCI (Transistor controlled ignition)
Tyre BrandN/A 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.

1330 mm1325 mm
Radial Tyre
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A tyre with strong sidewalls and better grip, durability, and heat resistance.

N/A Yes
Brakes
Abs
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(Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety.

Single Channel Dual Channel
Braking TypeAnti-lock Braking System Dual Channel ABS
Ebs
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(Electronic Brakeforce Distribution) This electronic system uses the engine’s resistance to slow down the bike smoothly, reducing excessive brake usage and improving control.

N/A N/A
Fuel
Fuel SupplyFuel injection Fuel Injection
Fuel Capacity12 L10 L
Fuel ReserveN/A 1.6 L
Body
Body Type
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The overall design and shape of the bike (e.g., cruiser, sports, scooter).

Sports Bike Street bike
Frame
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The main structure holding the bike together.

N/A Delta Box
Water Proof Rating
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The rating which signifies, how well the bike resists water exposure.

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

135 mm170 mm
Height1065 mm1080 mm
Kerb Weight
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Bike’s weight with fuel and fluids.

139 Kg137 Kg
Length2000 mm2005 mm
Passenger Backrest
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A support accessory for the passenger’s back.

N/A Yes
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.

790 mm810 mm
Width780 mm805 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.

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

N/A 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).

Electric Start Electric starter
Pass Switch
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A switch to flash the high beam, signaling other vehicles while overtaking.

N/A Yes
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 LCD Display with Brightness Control
Average Fuel Economy Indicator
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Displays the bike’s average fuel consumption over a period of riding.

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

N/A Yes
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.

Wet, multi-disc Wet, Multiple Disc
Gear Box5 Speed 6 Speed
Transmission
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The entire system that transfers engine power to the wheels (includes clutch and gearbox).

Constant mesh Manual
Lights
Led Tail Light
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Energy-efficient, bright rear light.

N/A Yes
Battery
Battery Capacity
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Total energy the battery can store.

12 V 12V,4.0Ah
Charging Time Zero HundredN/A N/A
Charging Time Zero EightyN/A N/A
Fast Charging Time
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Time for quick battery charging.

N/A N/A
Shockers
Suspension FrontTelescopic fork Telescopic upside down Front Fork
Suspension RearSwingarm Swingarm (link suspension)
Others
Additional FeaturesN/A Variable Valve Actuation (VVA)
Music Control
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A feature that lets you play, pause, or change music via the two-wheeler's console or connected device.

N/A N/A
Motor Ip Rating
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A rating which indicates how well the motor is protected against dust and water.

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

Yes N/A
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.

N/A Yes
Geo Fencing
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Alerts you if the bike moves beyond a set location boundary.

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

N/A N/A

Images of FZ Blue Flex and XSR 155

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Latest News on FZ Blue Flex and XSR 155

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User Reviews of XSR 155

5 Rating

My Retro Style Daily Scrambler!

This bike gives the absolute best mix of old-school looks and modern performance. The classic round headlight and teardrop tank turn heads everywhere, but under the hood, it packs the super refined 155cc engine from the R15. Getting around 45.5 kmpl mileage makes it totally practical for everyday city commutes and weekend rides. The wide tubeless tyres give fantastic road grip and make dealing with sudden punctures completely hassle-free.
15 Sept 2026|Rahul
5 Rating

My Friend Couldn't Guess Its Age!

The circular LCD instrument console made my friend think the XSR 155 was an old classic bike at first glance. When I turned the key and the modern display lit up, he looked surprised and said, "I wasn't expecting that!" Later, I showed him the Bluetooth connectivity, and that surprise turned into a smile. That's what I enjoy most about this bike. It keeps its old-school charm while quietly hiding modern features.
9 Aug 2026|Harshvardhan
5 Rating

A Premium Retro Ride for the City!

The Yamaha XSR 155 stands out on the road with its beautiful retro styling, and it performs incredibly well. The digital speedometer looks fantastic. It is round to match the vintage look, but the screen is fully modern, clear, and very easy to read even under bright sunlight. Having traction control on a 155cc bike is a massive bonus. It prevents the rear wheel from slipping on wet or gravel roads, making my rainy-day rides feel much safer.
12 Jun 2026|Dhananjay Kumar
5 Rating

Modern Performance

The Yamaha XSR155 blends classic neo‑retro styling with a punchy 155 cc engine, delivering smooth and spirited ride quality. Its lightweight chassis and agile handling make it great for both city cruising and twisty roads. Comfortable ergonomics and strong build quality add to its charm, though premium pricing might be a consideration.
13 Feb 2026|Vinod
5 Rating

Retro Style Meets Modern Performance

The Yamaha XSR155 blends classic neo-retro design with modern engineering, offering a 155cc VVA engine that feels punchy and smooth for city and highway rides. Its lightweight frame, upside-down forks, and comfortable ergonomics make handling agile and fun.
11 Feb 2026|Ahmed
5 Rating

Retro Style, Modern Punch

The XSR 155 blends classic neo-retro design with Yamaha’s proven 155cc VVA engine, delivering peppy performance and excellent fuel efficiency. Its Deltabox frame, USD forks, and upright ergonomics make it surprisingly capable for both city rides and weekend fun. Stylish, reliable, and beginner-friendly, it’s one of the most balanced small-capacity lifestyle bikes on the market.
7 Feb 2026|Ajay Kumar
View All Yamaha XSR 155 ReviewsView All Yamaha XSR 155 Reviews

FAQs about FZ Blue Flex and XSR 155

Q. What is the price difference Yamaha FZ Blue Flex and Yamaha XSR 155?

A. The FZ Blue Flex is currently priced at ₹ 1.25 Lakh and the XSR 155 costs around ₹ 1.50 Lakh in India. Among them, the ₹ 1.25 Lakh is more affordable.

Q. Which is more suitable, Yamaha FZ Blue Flex and Yamaha XSR 155?

A. FZ Blue Flex has an average rating of 4. On the other hand, XSR 155 comes with 5

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