Yamaha Byson FI vs Yamaha YZF R25 Comparison

Engine & Performance

Displacement	150 cc	250 cc
Maximum Power	12.82 hp	35.5 hp
Cooling System	Liquid Cooled	Liquid Cooled
Top Speed	120 kmph	--
No. Of Strokes	4-Stroke	4-Stroke
Injection Type	Direct Injection	--
Lubrication System	Wet Sump	Wet Sump
Bore X Stroke	57.3 mm x 57.9 mm	60 mm x 44.1 mm
Clutch Type	Wet,Multiplate, Manual	Wet, Multi-Plate, Manual
Maximum Torque	12.98 Nm	23.6 Nm
Valves Per Cylinder	2	4
Valve Configuration	SOHC	DOHC
Exhaust Pipes	Single Exhaust	Single Exhaust
Engine Type	4-Stroke, SOHC	Inline 2 Cylinder, 4-Stroke, 4-Valve, Liquid-Cooled DOHC
No. Of Cylinder	1	2
Drive Type	Chain Drive	Chain Drive
Compression Ratio	9.5:1	11.6:1
Fuel Tank Capacity	12.0 L	14 L
RPM at Maximum Power	8000 rpm	12000 rpm
RPM at Maximum Torque	6000 rpm	10000 rpm

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Dimension

Category	Street	Sport
Oil Tank Capacity	1.25 L	2.4 L
Wheel Base	1340 mm	1380 mm
Width	780 mm	720 mm
Ground Clearance	170 mm	160 mm
Length	1990 mm	2090 mm
Seating Capacity	2 Seats	2 Seats
Height	1045 mm	1135 mm
Kerb Weight	133 kg	166 kg
Seat Height	790 mm	780 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	--

Gear & Transmission

Transmission Type	Manual	Manual
Gear Box	5-Speed	6-Speed

Electrical

Charger Type	No	--
Input	No	--
Motor Type	No	--
Range City	No	--
Pack Voltage	No	--
Pack Capacity	No	--
Pack Life	No	--
Power Pack	No	--
Range Highway	No	--
Battery Charge Time	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 R17
Rear Tyre	130/70 R17	140/70 R17
Tyre Type	Tubeless	Radial, Tubeless
Rear Wheel Size	R17	R17
Front Wheel Size	R17	R17

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	No
Shutter Lock	Yes	No
Riding Modes	Sport,Road Sport,Road	Sport, Road Sport, Road
Side Reflectors	Optional Optional	--
Anti-Theft Alarm	--	No
Engine Check Warning	--	Yes
Wheel Lock Front/back	--	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	--
Side Stand Indicator	No	No
Display Screen	Yes	Yes
Tachometer	Digital Digital	Yes
Tripmeter	--	Yes

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Chassis & Suspension

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