Keeway Sr 250 vs Yamaha Aerox 155

Autocar India

Keeway Sr 250

Standard

1.59 lakh

Yamaha Aerox 155

Standard

1.45 lakh

Engine & Transmission

Fuel Type/ Propulsion

Petrol
Petrol

Engine Displacement

223 cc
155 cc

Valvetrain

2 Valves/Cyl
4 Valves/Cyl

Fueling

Fuel-Injected
–

Cooling

Air Cooled
Liquid Cooled

Engine Type

1 cylinder
1 cylinder

Max Engine Power

15.78 bhp @ 7500 rpm
14.75 bhp @ 8000 rpm

Max Engine Torque

16 Nm @ 6500 rpm
13.9 Nm @ 6500 rpm

Spark Plugs

1 Per Cylinder
1 Per Cylinder

Number of Gears

5
–

Slipper clutch

–

Transmission Type

Manual
Automatic

Gearbox Type

Manual
–

Clutch

Wet Multiplate
–

Bore

–
58 mm

Stroke

–
58.7 mm

Fuel & Performance

User Reported Mileage

35.5 kmpl
39.97 kmpl

Fuel Tank Size

14.2 L
5.5 L

Official Fuel Economy

None kmpl
40 kmpl

Reserve Fuel Capacity

2.8 L
1.3 L

Top Speed

120 kph
115 kph

City Fuel Economy as Tested

–
50.3 kmpl

Highway Fuel Economy as Tested

–
57.2 kmpl

Auto Start/Stop

–

0-60kph

–
5.28 sec

0-100kph

–
18.6 sec

60-0kph

–
20.75 m

0-80kph

–
9.77 sec

0-40kph

–
2.71 sec

Chassis & Suspension

Chassis name

Single Downtube Frame
Underbone

Chassis type

Single Downtube
Underbone

Front Suspension Type

Telescopic
Telescopic fork

Rear Suspension Type

Pre-Load adjustable dual shocks
Unit swing

Rear Suspension Adjustability

–

Front Brakes

Disc
Disc

Rear Brakes

Disc
Drum

Wheel Type

Spoke
Alloy

Tyre type

Tubeless
Tubeless

Front Tyre Size

110/70 - 17
110/80 - 14

Rear Tyre Size

130/70 - 17
140/70 - 14

Radial tyres

N/A
–

Calliper Type

Front - 2 Piston, Rear - 1 Piston
Front - 1 Piston, Rear - Piston

Front Wheel Size

17 inch
14 inch

Rear Wheel Size

17 inch
14 inch

Front Brake Type

Disc
Disc

Front Brake Size

300 mm
230 mm

Rear Brake Type

Disc
Drum

Rear Brake Size

210 mm
130 mm

Wheel Construction

–
Alloy

Dimensions

Length

1890 mm
1980 mm

Width

790 mm
700 mm

Height

1050 mm
1150 mm

Wheelbase

1285 mm
1350 mm

Seat height

780 mm
790 mm

Ground Clearance

160 mm
145 mm

Kerb Weight

120 kg
126 kg

Safety

Combined Braking System

–

Anti-Lock Brakes (ABS)

Dual channel
Single Channel

Cornering ABS

–

Hazard lights

Side-stand indicator

–

Side-stand engine cut-off

Traction control

Wheelie control

–

Engine brake control

–

Slide-control

–

Inertial Measurement Unit (IMU)

–

Adaptive Cruise Control

–

Cornering Headlamps

–

Tyre-Pressure Monitoring System

–

Blind Spot Monitor

–

Lane keep assist

–

Features

Pass-light switch

Daytime Running Lights

Stand Alarm

Start Type

Electric Start
Electric Start

Headlight Bulb Type

LED
LED

Headlamp Type

LED
LED

Low Battery Indicator

Low Oil Indicator

No. of Tripmeters

2
2

Odometer

Electric Start

Pillion Backrest

Digital Fuel Guage

Pillion Footrest

Pillion Grabrail

Pillion Seat

Tripmeter

Clock

Brake/Tail Light

LED
LED

Tripmeters Type

Digital
Digital

Battery

Maintenance Free
12V,6.0 Ah

Quickshifter

–

Antilock Braking System

Dual Channel ABS
Single Channel ABS

Turn Signal

Shift Light

–

Engine-kill switch

USB Charging Port

–

Navigation

Cruise Control

Stepped Seat

–

Underseat storage light

–

Keyless Lock

–

Bluetooth Connectivity

–

Instrumentation

TFT colour Instrument cluster

–

Instrument console

Digital
Digital

Tachometer

Low Fuel Level Warning

Gear Indicator

–

Tachometer Type

Digital
Digital

Touchscreen

Trip Meter

Average Speed

Fuel gauge

–

Distance to Empty Range

–

Service due indicator

Ambient temperature gauge

–

Engine/Motor temperature gauge

–