Triumph Trident 660 vs Yamaha YZF R25 Comparison

Engine & Performance

Displacement	660 cc	250 cc
Maximum Power	80 hp	35.5 hp
No. Of Cylinder	3	2
Engine Type	Inline 3-Cylinder, 12 Valve, Liquid-Cooled, DOHC Engine	Inline 2 Cylinder, 4-Stroke, 4-Valve, Liquid-Cooled DOHC
Compression Ratio	11.95:1	11.6:1
Clutch Type	Wet Multi-Plate, Slip & Assist	Wet, Multi-Plate, Manual
Bore X Stroke	74 mm x 51.1 mm	60 mm x 44.1 mm
Emission Control	Euro 5	--
Exhaust Pipes	3 Into 1 Exhaust	Single Exhaust
Maximum Torque	64 Nm	23.6 Nm
Injection Type	Fuel Injection	--
Cooling System	Liquid Cooled	Liquid Cooled
Valve Configuration	DOHC	DOHC
Valves Per Cylinder	4	4
Drive Type	Chain Drive	Chain Drive
RPM at Maximum Power	10250 rpm	12000 rpm
RPM at Maximum Torque	6250 rpm	10000 rpm
Fuel Tank Capacity	14 L	14 L
Lubrication System	--	Wet Sump
No. Of Strokes	--	4-Stroke

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Dimension

Category	Sport	Sport
Kerb Weight	189 kg	166 kg
Wheel Base	1401 mm	1380 mm
Height	1089 mm	1135 mm
Seat Height	805 mm	780 mm
Width	795 mm	720 mm
Seating Capacity	--	2 Seats
Oil Tank Capacity	--	2.4 L
Length	--	2090 mm
Ground Clearance	--	160 mm

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Fuel & Ignition

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

Gear & Transmission

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

Chassis & Suspension

Rear Suspension	Mono Shock	Swing Arm
Front Suspension	USD Separate Function Forks	Telescopic Fork

Wheels & Tyres

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

Safety & Security

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

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Console

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

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Electrical

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

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Chassis & Suspension

Seat Type	Dual Stepped Dual Stepped	Dual Stepped Dual Stepped
Body Frame Material	Steel Steel	--
Body Frame Type	Tubular Perimeter Tubular Perimeter	Diamond Diamond
Side Wings	Yes	Yes
Chrome Garnish	--	No

Brake

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

Differentiating Features

Cruise Control	No	No
Height Adjustable Seats	--	No