Yamaha YZF R25 vs Yamaha R6 Comparison

Engine & Performance

Displacement	250 cc	599 cc
Maximum Power	35.5 hp	122 hp
Engine Type	Inline 2 Cylinder, 4-Stroke, 4-Valve, Liquid-Cooled DOHC	4-Stroke, DOHC
Maximum Torque	23.6 Nm	65.7 Nm
Clutch Type	Wet, Multi-Plate, Manual	Wet,Multi-Plate
Cooling System	Liquid Cooled	Liquid Cooled
Exhaust Pipes	Single Exhaust	Single Exhaust
No. Of Strokes	4-Stroke	4-Stroke
Drive Type	Chain Drive	Chain Drive
Lubrication System	Wet Sump	Wet Sump
Compression Ratio	11.6:1	13.1:1
Valves Per Cylinder	4	4
Bore X Stroke	60 mm x 44.1 mm	67 mm x 42.5 mm
Valve Configuration	DOHC	DOHC
No. Of Cylinder	2	4
Fuel Tank Size	14 L	17 L
RPM at Maximum Torque	10000 rpm	10500 rpm
RPM at Maximum Power	12000 rpm	14500 rpm
Top Speed	--	257 kmph
Injection Type	--	Direct Injection

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Dimension

Category	Sport	Sport
Ground Clearance	160 mm	130 mm
Height	1135 mm	1095 mm
Seating Capacity	2 Seats	2 Seats
Seat Height	780 mm	850 mm
Width	720 mm	705 mm
Kerb Weight	166 kg	189 kg
Length	2090 mm	2040 mm
Wheel Base	1380 mm	1375 mm
Oil Tank Capacity	2.4 L	3.4 L

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Fuel & Ignition

Ignition System	TCI	TCI
Start Option	Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Supply System	--	EFI

Gear & Transmission

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

Wheels & Tyres

Front Wheel Size	R17	R17
Rear Wheel Size	R17	R17
Tyre Type	Radial, Tubeless	Tubeless
Front Tyre	110/70 R17	120/70 ZR17
Rear Tyre	140/70 R17	180/55 ZR17

Chassis & Suspension

Rear Suspension	Swing Arm	Swing Arm
Front Suspension	Telescopic Fork	Telescopic Fork
Suspension Travel(Front)	--	115 mm
Suspension Travel(Rear)	--	120 mm

Electrical

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

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Safety & Security

ABS	No	--
Pass Switch	Yes	Yes
Anti-Theft Alarm	No	Yes
Riding Modes	Sport, Road Sport, Road	Sport,Road Sport,Road
Engine Check Warning	Yes	--
Central Locking	No	Optional Optional
Back Rest	No	No
Stability Control	No	--
Wheel Lock Front/back	No	--
Traction Control	No	No
Shutter Lock	No	No
Launch Control	No	No
Leg Guards	No	No
Engine Immobilizer	--	Yes
Side Reflectors	--	Optional Optional

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Console

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

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Electrical

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

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Chassis & Suspension

Side Wings	Yes	Yes
Chrome Garnish	No	No
Body Frame Type	Diamond Diamond	Delta Box Delta Box
Seat Type	Dual Stepped Dual Stepped	Split Seat Split Seat
Electronic Suspension Adjustment	--	Yes
Body Frame Material	--	Alloy Alloy

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Brake

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

Differentiating Features

Cruise Control	No	No
Height Adjustable Seats	No	No