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Side-by-Side Bike Comparison · September 2026

Keeway RKS 150 Sports vs Yamaha Fzs V3 Bs6

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

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💎 Best Value

Keeway

Keeway RKS 150 Sports

Engine 150 cc

Power 11.9 bhp

Mileage 40 kmpl

Brakes / ABS No

Price in BD ৳149,900

Details

⚡ Power Leader

Yamaha

Yamaha Fzs V3 Bs6

Engine 150 cc

Power 12.8 bhp

Mileage 45 kmpl

Brakes / ABS Single-Channel

Price in BD ৳268,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

Keeway RKS 150 Sports (Keeway RKS 150 Sports)

The Value Argument

Maximizes features per taka spent at ৳149,900. 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 V3 Bs6 (Yamaha Fzs V3 Bs6)

The Performance Benchmark

Delivers class-leading punch with 12.8 bhp and sharp throttle response. Backed by Single-Channel 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: 12.8 Bhp

Keeway RKS 150 Sports (Keeway RKS 150 Sports) 11.9 bhp @ 8500 rpm

Yamaha Fzs V3 Bs6 (Yamaha Fzs V3 Bs6) 12.8 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 12.8 Nm

Keeway RKS 150 Sports (Keeway RKS 150 Sports) 11 Nm @ 6000 rpm

Yamaha Fzs V3 Bs6 (Yamaha Fzs V3 Bs6) 12.8 Nm @ 6000 rpm

Claimed Top Speeds

120 km/h

Keeway RKS 150 Sports (Keeway RKS 150 Sports)

120 km/h

Yamaha Fzs V3 Bs6 (Yamaha Fzs V3 Bs6)

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 RKS 150 Sports (Keeway RKS 150 Sports)

8.4 / 10

Performance 9.3

Comfort 7.2

Tech & Features 7.4

Fuel Economy 9.1

Value for Money 8.8

Yamaha

Yamaha Fzs V3 Bs6 (Yamaha Fzs V3 Bs6)

8.4 / 10

Performance 9.5

Comfort 8.3

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 7.4

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Keeway RKS 150 Sports	Yamaha Fzs V3 Bs6
Brand	Keeway	Yamaha
CC	150	150
Regular Price	149900	268000
Bike Type	Standard	Standard
Distributor/Seller	Aftab Automobiles Limited	ACI Motors Limited
Model Year	N/A	2019
Brand Origin	China	Japan
Made In	China	India
Assemble In	Bangladesh	Bangladesh
Launched Date	N/A	2019-01-21

Engine 15

Engine Type	4 – Stroke Single Cylinder	Air cooled, 4 stroke, SI engine, SOHC
Displacement	148	149
Maximum Power	11.9 Bhp @ 8500 RPM	12.8 Bhp @ 8000 RPM
Maximum Torque	11 NM @ 6000 RPM	12.8 NM @ 6000 RPM
Bore	57 mm	57.3 mm
Stroke	58 mm	57.9 mm
Compression Ratio	9.27:1	9.5:1
Valves	N/A	2
Fuel Supply	Carburetor	Fuel Injection
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Electric
Engine Oil Grade	N/A	10W30
Engine Oil Capacity	N/A	1 L (Without Filter)
Best Lube For	N/A	Mobil Super Moto 10W30

Transmission 4

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

Mileage & Top Speed 2

Mileage	40 Kmpl (Approx)	45 Kmpl (Approx)
Top Speed	120 Kmph (Approx)	120 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Arch bar truck	Diamond Frame
Front Suspension	Telescopic Forks	Telescopic fork
Rear Suspension	Mono-Telescopic coil spring oil damped	Monoshock

Brakes 6

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

Wheels & Tyres 4

Front Tyre Size	90/90-17	100/80-17M/C 52P
Rear Tyre Size	110/80-17	140/60R17M/C 63P
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2,040 mm	1990 Mm
Overall Width	780 mm	780 Mm
Height	1,070 mm	1080 Mm
Ground Clearance	185 mm	165 Mm
Weight	121 Kg	137 kg
Fuel Tank Capacity	16 L	12.8 L
Wheelbase	1,260 mm	1330 Mm
Seat Height	N/A	790 Mm

Electricals 5

Battery Type	MF	mf
Battery Voltage	12N7-4B	12v
Head Light	Halogen	LED
Tail Light	Halogen	LED
Indicators	Halogen	Halogen

Features 8

Speedometer	Digital	Digital
Odometer	Digital	Digital
RPM Meter	Digital	Digital
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Split-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Yes	Yes
Additional Feature	N/A	N/A