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Side-by-Side Bike Comparison · September 2026

Kawasaki Z900 vs Yamaha R15M BS7

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

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⚡ Power Leader

Kawasaki

Kawasaki Z900

Engine 948 cc

Power 123.3 bhp

Mileage 17 kmpl

Brakes / ABS Dual-ch. ABS

Price in BD Price TBA

Details

💎 Best Value

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

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

Kawasaki Z900

The Performance Benchmark

Delivers class-leading punch with 123.3 bhp and sharp throttle response. Backed by Dual-ch. ABS for riders demanding confidence in high-speed and emergency scenarios.

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

VALUE CHAMPION #2

Yamaha R15M BS7 ( Yamaha R15M BS7)

The Value Argument

Maximizes features per taka spent at ৳678,000. Ideal balance of equipment and accessible dealer pricing without sacrificing daily road manners.

Best for: Budget-conscious riders looking for modern styling.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 123.3 Bhp

Kawasaki Z900 123.3 bhp @ 9500 rpm

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

Peak Torque Delivery (Nm) Top: 98.6 Nm

Kawasaki Z900 98.6 Nm @ 7700 rpm

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

Claimed Top Speeds

240 km/h

Kawasaki Z900

140 km/h

Yamaha R15M BS7 ( Yamaha R15M BS7)

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.

Kawasaki

Kawasaki Z900

8.7 / 10

Performance 9.5

Comfort 7.8

Tech & Features 9.4

Fuel Economy 7.5

Value for Money 9.5

Yamaha

Yamaha R15M BS7 ( Yamaha R15M BS7)

7.7 / 10

Performance 6.5

Comfort 6.5

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

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Kawasaki Z900	Yamaha R15M BS7
Brand	Kawasaki	Yamaha
CC	948	150
Regular Price	—	678000
Bike Type	Naked / Streetfighter	Sports
Distributor/Seller	Asian Motorbikes	Aci Motors Ltd
Model Year	2026	2024
Brand Origin	Japan	Japan
Made In	—	India
Assemble In	—	Bangladesh
Launched Date	—	2025-01-20

Engine 15

Engine Type	4 Stroke, DOHC, 16 Valve, In-Line Four	Liquid-cooled, 4-stroke, SOHC, 4-valve
Displacement	948	155
Maximum Power	123.3 Bhp (125 PS) @ 9500 RPM	18.1 Bhp @ 10000 RPM
Maximum Torque	98.6 NM @ 7700 RPM	14.2 NM @ 7500 RPM
Bore	73.4 mm	58.0 mm
Stroke	56.0 mm	58.7 mm
Compression Ratio	11.8:1	11.6 : 1
Valves	16 valve	4
Fuel Supply	Fuel Injection (DFI with Dual Throttle Valves)	Fuel Injection
No of Cylinders	4	1
Engine Cooling	Liquid Cooled	Liquid Cooled
Starting Method	Electric	Electric
Engine Oil Grade	N/A	10W40
Engine Oil Capacity	3.8 Litres	1 L (Without Filter)
Best Lube For	N/A	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Manual	Manual
No of Gears	6	6
Clutch Type	Wet, Multiple-Disc, Assist & Slipper Clutch	Assist And Slipper Clutch
Drive Type	Chain Drive	Chain Drive

Mileage & Top Speed 2

Mileage	17.5 Kmpl (Approx)	40 Kmpl (Approx)
Top Speed	240 Km/h (Approx)	140 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Steel Trellis Frame	Deltabox
Front Suspension	41 mm Inverted Fork with Rebound Damping and Spring Preload Adjustability	Telescopic upside Down Fork (USD Fork)
Rear Suspension	Horizontal Back-Link with Rebound Damping and Spring Preload Adjustability	Linked-Type Monocross Suspension

Brakes 6

Front Brake Type	Dual Disc Brake	Disc Brake
Rear Brake Type	Disc Brake	Disc Brake
Front Brake Diameter	300 mm	282 mm
Rear Brake Diameter	250 mm	220 mm
Anti-Lock Braking System (ABS)	Dual Channel ABS	Dual-Channel
Braking System	Dual Channel ABS	Dual-Channel ABS

Wheels & Tyres 4

Front Tyre Size	120/70 ZR17 M/C (58W)	100/80-17M/C 52P
Rear Tyre Size	180/55 ZR17 M/C (73W)	140/70R17M/C 66H
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2070 mm	1,990 mm
Overall Width	825 mm	725 mm
Height	1080 mm	1135 mm
Ground Clearance	145 mm	170 mm
Weight	212 Kg	141 kg
Fuel Tank Capacity	17 Liters	11 L
Wheelbase	1455 Mm	1325 mm
Seat Height	820 mm	815 mm

Electricals 5

Battery Type	Lead Acid (Maintenance Free)	mf
Battery Voltage	12V	12V 4Ah
Head Light	Led	Bi-functional LED
Tail Light	Led	LED
Indicators	Led	LED

Features 8

Speedometer	Digital	Digital
Odometer	Digital	Digital
RPM Meter	Digital	Digital
Handle Type	Single piece handle bar	Three part handle bar
Seat Type	Split Seat	Split-Seat
Passenger Grab Rail	Yes	No
Engine Kill Switch	Yes	Yes
Additional Feature	4.3-inch Colour TFT Meter, Bluetooth Smartphone Connectivity (Rideology App), Kawasaki Traction Control (KTRC), Integrated Riding Modes (Sport, Road, Rain, Rider), Power Modes (Full / Low), Assist & Slipper Clutch, Gear Position Indicator.	OBD-2, Color TFT Meter, Track Mode / Street Mode, Y connect, VVA, Truction Control, Quick Shifter, Side Stand Cut-off

07 / Video & Photo Showcase

Media & Gallery

Click to view popup

Kawasaki Z900

Kawasaki

0 Photos

No photos or videos available for this bike

Yamaha R15M BS7 ( Yamaha R15M BS7)

Yamaha

4 Photos

HD Photos 4 images

No walkaround video available for this bike

08 / Real-World Trade-Offs

Strengths & Trade-offs

Pros vs Cons

Kawasaki

Kawasaki Z900

Strengths

✓ 125 PS inline-four engine delivers strong, linear power with a thrilling top-end rush.
✓ 98.6 Nm torque provides excellent flexibility and mid-range punch.
✓ Aggressive Sugomi styling gives it a proper supernaked stance.
✓ Rider-friendly electronics including traction control, riding modes and a TFT display with Bluetooth connectivity.
✓ Assist and slipper clutch keeps lever effort light and rear-wheel hop in check.

Trade-offs

✕ 212 kg kerb weight feels heavy in tight city traffic compared with smaller nakeds.
✕ Real-world mileage of around 17.5 kmpl makes it costly to run daily.
✕ Naked design offers no wind protection at highway speeds.
✕ Limited pillion comfort because of the sporty seat design.
✕ High purchase and maintenance costs in Bangladesh due to import duties and parts availability.

09 / Frequently Asked Questions

Frequently Asked Questions

From compared bikes

Kawasaki Z900 What is the Kawasaki Z900?

The Kawasaki Z900 is a supernaked motorcycle from Kawasaki's Z series, featuring the brand's Sugomi design language, a 948cc inline-four engine and a comprehensive electronics package.

Kawasaki Z900 What is the engine capacity of the Kawasaki Z900?

The Kawasaki Z900 has a 948cc liquid-cooled, four-cylinder inline engine.

Kawasaki Z900 How much power does the Kawasaki Z900 produce?

The Kawasaki Z900 produces a maximum power of approximately 125 PS (123.3 bhp) at 9,500 RPM.

Kawasaki Z900 What is the maximum torque of the Kawasaki Z900?

The Kawasaki Z900 produces approximately 98.6 Nm of maximum torque at 7,700 RPM.

Kawasaki Z900 How many gears does the Kawasaki Z900 have?

The Kawasaki Z900 comes with a 6-speed transmission with an assist and slipper clutch.

Kawasaki Z900 What is the Kawasaki Z900's top speed?

The Kawasaki Z900 is reported to have a top speed of around 240 km/h. Actual top speed can vary depending on riding conditions and specifications.

Kawasaki Z900 What is the mileage of the Kawasaki Z900?

The Kawasaki Z900 offers an approximate mileage of 17.5 kmpl, depending on riding style and road conditions.