KTM 125 SX vs KTM 250 SX‑F Comparison

Engine & Performance

Emission Control	Catalytic Converter	--
Bore X Stroke	54 mm x 54.5 mm	78 mm x 52.3 mm
Exhuast Pipes	Single	Single Exhaust
Spark Plugs Per Cylinder	1	--
Lubrication System	Wet Sump	--
No. Of Cylinder	1	1
No. Of Strokes	2-Stroke	4-Stroke
Valves Per Cylinder	2	--
Engine Type	Single Cylinder, 2-Stroke, Liquid Cooled	Single Cylinder, 4-Stroke Engine
Valve Configuration	SOHC	DOHC
Injection Type	Indirect Injection	--
Cooling System	Liquid Cooling	Liquid Cooled
Clutch Type	Hydraulic Multi-Plate	Wet, Multi-Plate
Drive Type	Chain Drive	Chain Drive
Displacement	124.8 cc	249.9 cc
Compression Ratio	--	14.0:1

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Electrical

Adjustable Headlights	No	--
Head Lamp	No	--
Indicator Light	No	No
Tail Lamp	No	LED
Battery Voltage	12 V	12 V, 2 Ah
Accessory Outlet	No	No

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Fuel & Ignition

Ignition Type	Digital Ignition	Keihin EMS
Fuel Type	Petrol	Gasoline
Fuel Supply System	EFI	EFI
Start Option	Kick	Electric

Chassis & Suspension

Seat Type	Slender	Single Seat
Electronic Suspension Adjustment	No	--
Body Frame Type	Central Tube	Central-Tube
Body Frame Material	Chrome, Molybdenum, Steel	Steel
Front Suspension	USD WP Suspension	WP USD
Rear Suspension	WP Suspension	WP Shock
Suspension Travel(Front)	300 mm	310 mm
Suspension Travel(Rear)	317 mm	300 mm
Side Wings	Yes	No
Chrome Garnish	Yes	No

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Dimension

Wheelbase	1480 mm	1485 mm
Seating Capacity	2	1
Dry Weight	87 kg	99 kg
Ground Clearance	375 mm	370 mm
Seat Height	950 mm	950 mm
Category	--	Off Road

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Wheels & Tyres

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

Gear & Transmission

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

Safety & Security

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

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Console

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

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Differentiating Features

Cruise Control	No	No
Height Adjustable Seats	No	No

Brake

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