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Side-by-Side Bike Comparison · September 2026

Yamaha R15M BS7 vs Yamaha XSR 155

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

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🌱 Top Economy

Yamaha

Yamaha R15M BS7

Engine 150 cc

Power 18.1 bhp

Mileage 40 kmpl

Brakes / ABS Dual-Channel

Switch Variant

Price in BD ৳678,000

Details

⚡ Power Leader

Yamaha

Yamaha XSR 155

Yamaha

Engine 155 cc

Power 19 bhp

Mileage 40 kmpl

Brakes / ABS No

Price in BD ৳545,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

ECONOMY SPECIALIST #1

Yamaha R15M BS7 ( Yamaha R15M BS7)

The Economy Specialist

Lightest on fuel with an estimated 40 kmpl and manageable kerb weight (141 kg), minimizing your monthly running expenses.

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

POWER & HARDWARE #2

Yamaha XSR 155 (Yamaha)

The Performance Benchmark

Delivers class-leading punch with 19 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: 19 Bhp

Yamaha R15M BS7 ( Yamaha R15M BS7) 18.1 bhp @ 10000 rpm

Yamaha XSR 155 (Yamaha) 19 bhp @ 10000 rpm

Peak Torque Delivery (Nm) Top: 14.7 Nm

Yamaha R15M BS7 ( Yamaha R15M BS7) 14.2 Nm @ 7500 rpm

Yamaha XSR 155 (Yamaha) 14.7 Nm @ 8500 rpm

Claimed Top Speeds

140 km/h

Yamaha R15M BS7 ( Yamaha R15M BS7)

130 km/h

Yamaha XSR 155 (Yamaha)

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 R15M BS7 ( Yamaha R15M BS7)

8.2 / 10

Performance 9.3

Comfort 6.5

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.4

Yamaha

Yamaha XSR 155 (Yamaha)

8.4 / 10

Performance 9.5

Comfort 6.6

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.8

05 / Verified Owner Sentiment

Rider Community Ratings

Verified BD Rider Reviews

Yamaha

Yamaha R15M BS7

0 verified owner feedback

★ 5.0

Overall Rating

Yamaha

Yamaha XSR 155

0 verified owner feedback

★ 4.7

Overall Rating

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Yamaha R15M BS7	Yamaha XSR 155
Brand	Yamaha	Yamaha
CC	150	150
Regular Price	678000	545000
Bike Type	Sports	Cafe Racer
Distributor/Seller	Aci Motors Ltd	ACI Motors Limited
Model Year	2024	2019
Brand Origin	Japan	Japan
Made In	India	Thailand
Assemble In	Bangladesh	Thailand
Launched Date	2025-01-20	N/A

Engine 15

Engine Type	Liquid-cooled, 4-stroke, SOHC, 4-valve	Liquid-cooled, 4-stroke, SOHC, 4-valve, VVA
Displacement	155	155.1
Maximum Power	18.1 Bhp @ 10000 RPM	19 Bhp @ 10000 RPM
Maximum Torque	14.2 NM @ 7500 RPM	14.7 NM @ 8500 RPM
Bore	58.0 mm	58 mm
Stroke	58.7 mm	58.7 mm
Compression Ratio	11.6 : 1	11.6 : 1
Valves	4	4
Fuel Supply	Fuel Injection	Fuel Injection
No of Cylinders	1	1
Engine Cooling	Liquid Cooled	Liquid Cooled
Starting Method	Electric	Electric
Engine Oil Grade	10W40	10W40
Engine Oil Capacity	1 L (Without Filter)	0.85 liter (Without Filter)
Best Lube For	Mobil Racing 4T 10W40	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Manual	Manual
No of Gears	6	6
Clutch Type	Assist And Slipper Clutch	Assist And Slipper Clutch
Drive Type	Chain Drive	Chain Drive

Mileage & Top Speed 2

Mileage	40 Kmpl (Approx)	40 Kmpl (Approx)
Top Speed	140 Kmph (Approx)	130 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Deltabox	Deltabox
Front Suspension	Telescopic upside Down Fork (USD Fork)	Telescopic USD
Rear Suspension	Linked-Type Monocross Suspension	Monoshock

Brakes 6

Front Brake Type	Disc Brake	Single Disc
Rear Brake Type	Disc Brake	Disc Brake
Front Brake Diameter	282 mm	282 mm
Rear Brake Diameter	220 mm	220 mm
Anti-Lock Braking System (ABS)	Dual-Channel	No
Braking System	Dual-Channel ABS	Double Disc

Wheels & Tyres 4

Front Tyre Size	100/80-17M/C 52P	110/70-17
Rear Tyre Size	140/70R17M/C 66H	140/70-17
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1,990 mm	2007 Mm
Overall Width	725 mm	804 Mm
Height	1135 mm	1080 Mm
Ground Clearance	170 mm	170 Mm
Weight	141 kg	134 KG
Fuel Tank Capacity	11 L	10.4L
Wheelbase	1325 mm	1330 Mm
Seat Height	815 mm	810 Mm

Electricals 5

Battery Type	mf	MF
Battery Voltage	12V 4Ah	12V,4.0Ah(10HR)
Head Light	Bi-functional LED	LED
Tail Light	LED	LED
Indicators	LED	halogen

Features 8

Speedometer	Digital	Digital
Odometer	Digital	Digital
RPM Meter	Digital	Digital
Handle Type	Three part handle bar	Pipe handle bar
Seat Type	Split-Seat	Single-Seat
Passenger Grab Rail	No	No
Engine Kill Switch	Yes	Yes
Additional Feature	OBD-2, Color TFT Meter, Track Mode / Street Mode, Y connect, VVA, Truction Control, Quick Shifter, Side Stand Cut-off	N/A