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Side-by-Side Bike Comparison · September 2026

Yamaha Ray ZR 125 Fi vs Znen RX 150

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

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🌱 Top Economy

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

⚡ Power Leader

Znen

Znen RX 150

Engine 125 cc

Power 16.2 bhp

Mileage 35 kmpl

Brakes / ABS No

Price in BD ৳145,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

ECONOMY SPECIALIST #1

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

The Economy Specialist

Lightest on fuel with an estimated 45 kmpl and manageable kerb weight (99 kg), minimizing your monthly running expenses.

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

POWER & HARDWARE #2

Znen RX 150 (Znen RX 150)

The Performance Benchmark

Delivers class-leading punch with 16.2 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: 16.2 Bhp

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

Znen RX 150 (Znen RX 150) 16.2 bhp @ 8500 rpm

Peak Torque Delivery (Nm) Top: 11.8 Nm

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

Znen RX 150 (Znen RX 150) 11.8 Nm @ 5500 rpm

Claimed Top Speeds

100 km/h

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

110 km/h

Znen RX 150 (Znen RX 150)

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.

Yamaha

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

8.1 / 10

Performance 7.8

Comfort 8.4

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 7.2

Znen

Znen RX 150 (Znen RX 150)

8.6 / 10

Performance 9.5

Comfort 8.5

Tech & Features 7.4

Fuel Economy 8.7

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Yamaha Ray ZR 125 Fi	Znen RX 150
Brand	Yamaha	Znen
CC	125	125
Regular Price	270000	145000
Bike Type	Scooter	Scooter
Distributor/Seller	ACI Motors Limited	Znen Bangladesh
Model Year	2021	N/A
Brand Origin	Japan	China
Made In	India	China
Assemble In	Bangladesh	Bangladesh
Launched Date	2021-06-21	N/A

Engine 15

Engine Type	Air cooled, 4-stroke, SOHC, 2-valve	4 – Stroke Single Cylinder
Displacement	125	124.6
Maximum Power	8.1 Bhp @ 6500 RPM	16.2 Bhp @ 8500 RPM
Maximum Torque	9.7 NM @ 5000 RPM	11.8 NM @ 5500 RPM
Bore	52.4 mm	N/A
Stroke	57.9 mm	N/A
Compression Ratio	10.2:1	10.2:1
Valves	2	N/A
Fuel Supply	Fuel Injection	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	10W40	10W40
Engine Oil Capacity	800 ml (WithOut Filter)	1 L (Without Filter)
Best Lube For	Mobil Racing 4T 10W40	Mobil Racing 4T 10W40

Transmission 4

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

Mileage & Top Speed 2

Mileage	45 Kmpl (Approx)	35 Kmpl (Approx)
Top Speed	100 Kmph (Approx)	110 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Tubular Diamond	N/A
Front Suspension	Tubular Diamond	Telescopic
Rear Suspension	Unit Swing	Monoshock

Brakes 6

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

Wheels & Tyres 4

Front Tyre Size	90/90-12	120/70-12
Rear Tyre Size	110/90-10	130/70-12
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1880 mm	N/A
Overall Width	750 mm	N/A
Height	1190 mm	N/A
Ground Clearance	145 mm	N/A
Weight	99 kg	110 Kg
Fuel Tank Capacity	5.2 L	6.2 Litres
Wheelbase	1280 mm	N/A
Seat Height	785 mm	N/A

Electricals 5

Battery Type	mf	mf
Battery Voltage	12V 5Ah	12v
Head Light	Halogen	Halogen
Tail Light	Halogen	Led
Indicators	Halogen	Halogen

Features 8

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