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Side-by-Side Bike Comparison · September 2026

Keeway RK 125 vs Yamaha FZs Fi Deluxe

Technical comparison of performance curves, real-world dyno numbers, verified ratings, and full dynamic spec sheets.

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💎 Best Value

Keeway

Keeway RK 125

Engine 125 cc

Power 10 bhp

Mileage 55 kmpl

Brakes / ABS no

Price in BD ৳109,500

Details

⚡ Power Leader

Yamaha

Yamaha FZs Fi Deluxe

Engine 150 cc

Power 12.2 bhp

Mileage 45 kmpl

Brakes / ABS Yes

Switch Variant

Price in BD ৳267,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

Keeway RK 125 (Keeway RK 125)

The Value Argument

Maximizes features per taka spent at ৳109,500. Ideal balance of equipment and accessible dealer pricing without sacrificing daily road manners.

Best for: Budget-conscious riders looking for modern styling.

POWER & HARDWARE #2

Yamaha FZs Fi Deluxe (Yamaha FZs Fi Deluxe)

The Performance Benchmark

Delivers class-leading punch with 12.2 bhp and sharp throttle response. Backed by Yes for riders demanding confidence in high-speed and emergency scenarios.

Best for: Highway tours, enthusiast riding, emergency brake safety.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 12.2 Bhp

Keeway RK 125 (Keeway RK 125) 10 bhp @ 8500 rpm

Yamaha FZs Fi Deluxe (Yamaha FZs Fi Deluxe) 12.2 bhp @ 7250 rpm

Peak Torque Delivery (Nm) Top: 13.3 Nm

Keeway RK 125 (Keeway RK 125) 9 Nm @ 7500 rpm

Yamaha FZs Fi Deluxe (Yamaha FZs Fi Deluxe) 13.3 Nm @ 5500 rpm

Claimed Top Speeds

100 km/h

Keeway RK 125 (Keeway RK 125)

110 km/h

Yamaha FZs Fi Deluxe (Yamaha FZs Fi Deluxe)

Dyno takeaway: Engine cooling hardware (liquid vs oil vs air) and gear ratios determine how long peak power can be sustained on open highway runs.

03 / Multi-Vector Scorecard

AI Analysis Engine

Rule-Based Specs Synthesizer

AI Engine Recommendation

Comparing power-to-weight, braking safety gear, real mileage data, and dealer price points across this matchup. Use the 5-point radar breakdown below to balance your budget against your daily riding style.

Keeway

Keeway RK 125 (Keeway RK 125)

8.2 / 10

Performance 8.9

Comfort 7

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.8

Yamaha

Yamaha FZs Fi Deluxe (Yamaha FZs Fi Deluxe)

7.9 / 10

Performance 9.5

Comfort 7.4

Tech & Features 7.4

Fuel Economy 8.9

Value for Money 6.5

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Keeway RK 125	Yamaha FZs Fi Deluxe
Brand	Keeway	Yamaha
CC	125	150
Regular Price	109500	267000
Bike Type	Commuter	Standard
Distributor/Seller	Aftab Automobiles Limited	ACI Motors Limited
Model Year	N/A	2022
Brand Origin	China	Japan
Made In	China	India
Assemble In	Bangladesh	Bangladesh
Launched Date	N/A	N/A

Engine 15

Engine Type	N/A	Air cooled, 4-stroke, SOHC, 2-valve
Displacement	124	149
Maximum Power	10 Bhp @ 8500 RPM	12.2 Bhp @ 7250 RPM
Maximum Torque	9 NM @ 7500 RPM	13.3 NM @ 5500 RPM
Bore	56.5 mm	57.3 mm
Stroke	49.5 mm	57.9 mm
Compression Ratio	9:1	9.6:1
Valves	N/A	2
Fuel Supply	Carburetor	Fuel Injection
No of Cylinders	N/A	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Electric
Engine Oil Grade	N/A	10W40
Engine Oil Capacity	N/A	1 L (Without Filter)
Best Lube For	N/A	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Manual	Manual
No of Gears	5	5
Clutch Type	Wet-multiplate	Wet-multiplate
Drive Type	N/A	Chain Drive

Mileage & Top Speed 2

Mileage	55 Kmpl (Approx)	45 Kmpl (Approx)
Top Speed	100 Kmph (Approx)	110 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	Diamond
Front Suspension	Telescopic Forks	Telescopic fork
Rear Suspension	Telescopic coil spring oil damped	7-Step Adjustable Monocross Suspension

Brakes 6

Front Brake Type	Single Disc	Disc Brake
Rear Brake Type	Drum Brake	Disc Brake
Front Brake Diameter	N/A	282 mm
Rear Brake Diameter	N/A	220 mm
Anti-Lock Braking System (ABS)	no	Yes
Braking System	N/A	Single Channel ABS

Wheels & Tyres 4

Front Tyre Size	2.75-18	100/80-17M/C 52P
Rear Tyre Size	3.00-18	140/60R17M/C 63P
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1980 mm	2000 Mm
Overall Width	785 mm	780 Mm
Height	1050 mm	1080 Mm
Ground Clearance	175 mm	165 Mm
Weight	116 kg	135 Kg
Fuel Tank Capacity	12.3 L	13 L
Wheelbase	1245 mm	1330 Mm
Seat Height	N/A	790 Mm

Electricals 5

Battery Type	MF	mf
Battery Voltage	12v	12v
Head Light	35W/35W Halogen	LED
Tail Light	Halogen	LED
Indicators	Halogen	Halogen

Features 8

Speedometer	Info-Not-Available	Digital
Odometer	Info-Not-Available	Digital
RPM Meter	Info-Not-Available	Digital
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Yes	Yes
Additional Feature	N/A	ECO indicator, Side Stand engine cut-off switch, LED tail light, Y-Connect