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Side-by-Side Bike Comparison · September 2026

Keeway K Blade 125 vs Yamaha Ray ZR Street Rally

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

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⚡ Power Leader

Keeway

Keeway K Blade 125

Engine 125 cc

Power 8.3 bhp

Mileage N/A

Brakes / ABS No

Price in BD ৳129,000

Details

🌱 Top Economy

Yamaha

Yamaha Ray ZR Street Rally

Engine 110 cc

Power 7 bhp

Mileage 45 kmpl

Brakes / ABS No

Price in BD ৳225,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

Keeway K Blade 125 (Keeway K Blade 125)

The Performance Benchmark

Delivers class-leading punch with 8.3 bhp and sharp throttle response. Backed by No for riders demanding confidence in high-speed and emergency scenarios.

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

ECONOMY SPECIALIST #2

Yamaha Ray ZR Street Rally ( Yamaha Ray ZR Street Rally)

The Economy Specialist

Lightest on fuel with an estimated 45 kmpl and manageable kerb weight (103 kg), minimizing your monthly running expenses.

Best for: High-mileage daily city commuters and courier riders.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 8.3 Bhp

Keeway K Blade 125 (Keeway K Blade 125) 8.3 bhp @ 7500 rpm

Yamaha Ray ZR Street Rally ( Yamaha Ray ZR Street Rally) 7 bhp @ 7500 rpm

Peak Torque Delivery (Nm) Top: 8.1 Nm

Keeway K Blade 125 (Keeway K Blade 125) 0 Nm

Yamaha Ray ZR Street Rally ( Yamaha Ray ZR Street Rally) 8.1 Nm @ 5000 rpm

Claimed Top Speeds

100 km/h

Keeway K Blade 125 (Keeway K Blade 125)

100 km/h

Yamaha Ray ZR Street Rally ( Yamaha Ray ZR Street Rally)

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 K Blade 125 (Keeway K Blade 125)

8.5 / 10

Performance 9.5

Comfort 8.1

Tech & Features 6.8

Fuel Economy 9.1

Value for Money 8.8

Yamaha

Yamaha Ray ZR Street Rally ( Yamaha Ray ZR Street Rally)

8 / 10

Performance 9

Comfort 6.6

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 7.5

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Keeway K Blade 125	Yamaha Ray ZR Street Rally
Brand	Keeway	Yamaha
CC	125	110
Regular Price	129000	225000
Bike Type	Scooter	Scooter
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	2025-08-24

Engine 15

Engine Type	N/A	Air-cooled, 4-stroke, SOHC, 2-valve
Displacement	124	113
Maximum Power	8.3 Bhp @ 7500 RPM	7 Bhp @ 7500 RPM
Maximum Torque	0 NM @ 0 RPM	8.1 NM @ 5000 RPM
Bore	53.5 mm	52.4 mm
Stroke	55 mm	—
Compression Ratio	9.0:1	10.2:1
Valves	N/A	2
Fuel Supply	Carburetor	Carburetor
No of Cylinders	N/A	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Electric	Kick & Electric
Engine Oil Grade	N/A	10W40
Engine Oil Capacity	N/A	800 ml (With Out Filter)
Best Lube For	N/A	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Auto	Auto
No of Gears	N/A	N/A
Clutch Type	Wet-multiplate	Automatic Clutch
Drive Type	N/A	Belt Drive

Mileage & Top Speed 2

Mileage	N/A	45 Kmpl (Approx)
Top Speed	100 Kmph (Approx)	100 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Arch bar truck	Underbone
Front Suspension	Telescopic Forks	Telescopic fork
Rear Suspension	Telescopic coil spring oil damped	Swing Unit

Brakes 6

Front Brake Type	Single Disc	Single Disc
Rear Brake Type	Drum Brake	Drum Brake
Front Brake Diameter	220 mm	170 mm
Rear Brake Diameter	130 mm	—
Anti-Lock Braking System (ABS)	No	No
Braking System	N/A	Single Disc

Wheels & Tyres 4

Front Tyre Size	80/80-14	90/100-10 53J
Rear Tyre Size	100/70-14	90/100-10 53J
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1820 mm	1820 mm
Overall Width	700 mm	700 mm
Height	1060 mm	1115 mm
Ground Clearance	137 mm	130 mm
Weight	97 Kg	103 Kg
Fuel Tank Capacity	4.9 L	5.2L
Wheelbase	1280 mm	1270 mm
Seat Height	N/A	775 mm

Electricals 5

Battery Type	MF	mf
Battery Voltage	12V/7Ah	12v
Head Light	Not Available	Halogen bulb 12V, 35/ 35 WÃ—1
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Info-Not-Available	Digital
Odometer	Info-Not-Available	Digital
RPM Meter	Info-Not-Available	Digital
Handle Type	Conventional	Conventional
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Info-Not-Available	N/A
Additional Feature	N/A	N/A