KTM 450 SX‑F vs Yamaha SR400 Comparison

Engine & Performance

No. Of Strokes	4-Stroke	4-Stroke
Clutch Type	Wet, Multi Plate	Wet Multi-Plate
Valve Configuration	DOHC	SOHC
Compression Ratio	14.0:1	8.5:1
Engine Type	Single Cylinder, 4-Stroke Engine	Single Cylinder, 4-Stroke, Air Cooled
No. Of Cylinder	1	1
Bore X Stroke	95 mm x 63.4 mm	87 mm x 67.2 mm
Cooling System	Liquid Cooled	Air Cooling
Drive Type	Chain Drive	Chain Drive
Displacement	449 cc	399 cc
Exhuast Pipes	--	1 into 1 Exhaust
Emission Control	--	Catalytic Converter
Spark Plugs Per Cylinder	--	1
Lubrication System	--	Wet Sump
Valves Per Cylinder	--	2
Injection Type	--	Indirect Injection

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Electrical

Head Lamp	No	Projector Lamp
Tail Lamp	No	Halogen
Indicator Light	No	Bulb
Battery Voltage	12 V	12V, 2.5 Ah
Accessory Outlet	No	No
Adjustable Headlights	--	Yes

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Fuel & Ignition

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

Chassis & Suspension

Body Frame Type	Central Tube	Kazemi's Double Academy
Seat Type	Single Seat	Dual Straight
Suspension Travel(Rear)	300 mm	--
Chrome Garnish	No	Yes
Body Frame Material	Steel	Steel
Suspension Travel(Front)	310 mm	--
Side Wings	Yes	No
Front Suspension	USD	Telescopic
Rear Suspension	WP Shock	Swing Arm
Electronic Suspension Adjustment	--	No

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Wheels & Tyres

Rear Wheel Size	R19	R18
Front Wheel Size	R21	R18
Rear Tyre	100/90 R19	110/90 R18
Tyre Type	Radial, Tubeless	--
Front Tyre	80/100 R21	90/100 R18

Dimension

Dry Weight	100 kg	--
Wheelbase	1485 mm	1410 mm
Seating Capacity	1	2
Category	Off Road	--
Seat Height	950 mm	785 mm
Ground Clearance	370 mm	130 mm
Oil Tank Capacity	--	2 L
Height	--	1095 mm
Curb Weight	--	174 kg
Length	--	2085 mm
Width	--	750 mm

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Gear & Transmission

Transmission Type	Manual	Manual
Gear Box	4-Speed	5-Speed

Safety & Security

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

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Console

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

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Differentiating Features

Height Adjustable Seats	No	No
Cruise Control	No	Optional Optional

Brake

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