Yamaha Byson FI vs Yamaha Nmax (2015-2017) Comparison

Engine & Performance

Displacement	150 cc	155 cc
Maximum Power	12.82 hp	--
Cooling System	Liquid Cooled	Liquid Cooled
Top Speed	120 kmph	--
No. Of Strokes	4-Stroke	4-Stroke
Injection Type	Direct Injection	Direct Injection
Lubrication System	Wet Sump	Wet Sump
Bore X Stroke	57.3 mm x 57.9 mm	58 mm x 58.7 mm
Clutch Type	Wet,Multiplate, Manual	Dry,Centrifugal Automatic
Maximum Torque	12.98 Nm	--
Valves Per Cylinder	2	4
Valve Configuration	SOHC	SOHC
Exhaust Pipes	Single Exhaust	Single Exhaust
Engine Type	4-Stroke, SOHC	4-Stroke, SOHC
No. Of Cylinder	1	1
Drive Type	Chain Drive	Belt Drive
Compression Ratio	9.5:1	10.5:1
Fuel Tank Capacity	12.0 L	--
RPM at Maximum Power	8000 rpm	--
RPM at Maximum Torque	6000 rpm	--

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Dimension

Category	Street	Scooter
Oil Tank Capacity	1.25 L	1 L
Wheel Base	1340 mm	1350 mm
Width	780 mm	740 mm
Ground Clearance	170 mm	135 mm
Length	1990 mm	1955 mm
Seating Capacity	2 Seats	2 Seats
Height	1045 mm	1115 mm
Kerb Weight	133 kg	--
Seat Height	790 mm	--

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Fuel & Ignition

Ignition System	TCI	TCI
Start Option	Kick & Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Supply System	Fuel Injection	Fuel Injection

Gear & Transmission

Transmission Type	Manual	--
Gear Box	5-Speed	--

Electrical

Charger Type	No	No
Input	No	No
Motor Type	No	No
Range City	No	No
Pack Voltage	No	No
Pack Capacity	No	No
Pack Life	No	No
Power Pack	No	No
Range Highway	No	No
Battery Charge Time	No	No

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Chassis & Suspension

Front Suspension	Telescopic Fork	Telescopic Fork
Rear Suspension	Swing Arm	Swing Arm

Wheels & Tyres

Front Tyre	100/80 R17	110/70 R13
Rear Tyre	130/70 R17	130/70 R13
Tyre Type	Tubeless	Radial
Rear Wheel Size	R17	R13
Front Wheel Size	R17	R13

Safety & Security

ABS	No	No
Pass Switch	Yes	Yes
Back Rest	No	No
Stability Control	No	No
Traction Control	No	No
Launch Control	No	No
Leg Guards	No	No
Central Locking	Optional Optional	Optional Optional
Shutter Lock	Yes	Yes
Riding Modes	Sport,Road Sport,Road	Street,Road Street,Road
Side Reflectors	Optional Optional	Optional Optional
Engine Immobilizer	--	No

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Console

Odometer	Digital Digital	Digital Digital
Fuel Gauge	Digital Digital	Digital Digital
Navigator	No	No
Speedometer	Digital Digital	Digital Digital
Oil Change Indicator	No	Yes
Side Stand Indicator	No	--
Display Screen	Yes	Yes
Tachometer	Digital Digital	No

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Chassis & Suspension

Seat Type	Dual Stepped Dual Stepped	Dual-Straight Dual-Straight
Body Frame Type	Diamond Diamond	Underbone Underbone
Side Wings	Yes	Yes
Chrome Garnish	Yes	No
Body Frame Material	Steel Steel	Steel Steel
Electronic Suspension Adjustment	No	No

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Brake

Front Brake	Disc Disc	Disc Disc
Rear Brake	Drum Drum	Disc Disc

Electrical

Head Lamp	Halogen Halogen	LED LED
Tail Lamp	LED LED	LED LED
Battery Voltage	12 V 12 V	12 V 12 V
Adjustable Headlights	Yes	Yes
Indicator Light	Yes	Yes
Accessory Outlet	No	No

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Differentiating Features

Height Adjustable Seats	No	No
Cruise Control	No	No