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Side-by-Side Bike Comparison · September 2026

Speeder Mugen 150 vs Yamaha Ray ZR 125 Fi

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

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💎 Best Value

Speeder

Speeder Mugen 150

Engine 150 cc

Power 7.5 bhp

Mileage 40 kmpl

Brakes / ABS No

Price in BD ৳149,500

Details

⚡ Power Leader

Yamaha

Yamaha Ray ZR 125 Fi

Engine 125 cc

Power 8.1 bhp

Mileage 45 kmpl

Brakes / ABS No

Price in BD ৳270,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

Speeder Mugen 150 (Speeder Mugen 150)

The Value Argument

Maximizes features per taka spent at ৳149,500. 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 Ray ZR 125 Fi ( Yamaha Ray ZR 125 Fi)

The Performance Benchmark

Delivers class-leading punch with 8.1 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.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 8.1 Bhp

Speeder Mugen 150 (Speeder Mugen 150) 7.5 bhp @ 7500 rpm

Yamaha Ray ZR 125 Fi ( Yamaha Ray ZR 125 Fi) 8.1 bhp @ 6500 rpm

Peak Torque Delivery (Nm) Top: 10.5 Nm

Speeder Mugen 150 (Speeder Mugen 150) 10.5 Nm @ 6000 rpm

Yamaha Ray ZR 125 Fi ( Yamaha Ray ZR 125 Fi) 9.7 Nm @ 5000 rpm

Claimed Top Speeds

95 km/h

Speeder Mugen 150 (Speeder Mugen 150)

100 km/h

Yamaha Ray ZR 125 Fi ( Yamaha Ray ZR 125 Fi)

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.

Speeder

Speeder Mugen 150 (Speeder Mugen 150)

8.1 / 10

Performance 9.2

Comfort 6.7

Tech & Features 6.8

Fuel Economy 9.1

Value for Money 8.8

Yamaha

Yamaha Ray ZR 125 Fi ( Yamaha Ray ZR 125 Fi)

8.4 / 10

Performance 9.5

Comfort 8.4

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 7.3

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Speeder Mugen 150	Yamaha Ray ZR 125 Fi
Brand	Speeder	Yamaha
CC	150	125
Regular Price	149500	270000
Bike Type	Scooter	Scooter
Distributor/Seller	N/A	ACI Motors Limited
Model Year	N/A	2021
Brand Origin	N/A	Japan
Made In	N/A	India
Assemble In	N/A	Bangladesh
Launched Date	N/A	2021-06-21

Engine 15

Engine Type	1 Cylinder, 4 Stroke	Air cooled, 4-stroke, SOHC, 2-valve
Displacement	149.6	125
Maximum Power	7.5 Bhp @ 7500 RPM	8.1 Bhp @ 6500 RPM
Maximum Torque	10.5 NM @ 6000 RPM	9.7 NM @ 5000 RPM
Bore	N/A	52.4 mm
Stroke	N/A	57.9 mm
Compression Ratio	N/A	10.2:1
Valves	N/A	2
Fuel Supply	Carburator	Fuel Injection
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Electric	Kick & Electric
Engine Oil Grade	20W50	10W40
Engine Oil Capacity	1 L (Without Filter)	800 ml (WithOut Filter)
Best Lube For	Mobil Super 4T 20W50	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Auto	Auto
No of Gears	N/A	N/A
Clutch Type	Automatic Clutch	Dry,Centrifugal Auto
Drive Type	Chain Drive	N/A

Mileage & Top Speed 2

Mileage	40 Kmpl (Approx)	45 Kmpl (Approx)
Top Speed	95 Kmph (Approx)	100 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	Tubular Diamond
Front Suspension	Conventional telescopic front forks	Tubular Diamond
Rear Suspension	Dual shocks	Unit Swing

Brakes 6

Front Brake Type	Single Disc	Single Disc
Rear Brake Type	Drum Brake	Drum Brake
Front Brake Diameter	N/A	190 mm
Rear Brake Diameter	N/A	—
Anti-Lock Braking System (ABS)	No	No
Braking System	Normal Braking System	Unified Braking System

Wheels & Tyres 4

Front Tyre Size	110/70-13	90/90-12
Rear Tyre Size	130/70-13	110/90-10
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1950 mm	1880 mm
Overall Width	695 mm	750 mm
Height	1090 mm	1190 mm
Ground Clearance	N/A	145 mm
Weight	110 Kg	99 kg
Fuel Tank Capacity	N/A	5.2 L
Wheelbase	1400 mm	1280 mm
Seat Height	760 mm	785 mm

Electricals 5

Battery Type	MF	mf
Battery Voltage	12V 7Ah	12V 5Ah
Head Light	LED	Halogen
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Analog	Digital
Odometer	Analog	Digital
RPM Meter	Info-Not-Available	Digital
Handle Type	Scooter Type	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