KTM 125 SX vs KTM 250 SX‑F Comparison

Engine & Performance

Valve Configuration	SOHC	DOHC
Drive Type	Chain Drive	Chain Drive
Lubrication System	Wet Sump	--
Emission Control	Catalytic Converter	--
Cooling System	Liquid Cooling	Liquid Cooled
Engine Type	Single Cylinder, 2-Stroke, Liquid Cooled	Single Cylinder, 4-Stroke Engine
Injection Type	Indirect Injection	--
No. Of Strokes	2-Stroke	4-Stroke
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	--
No. Of Cylinder	1	1
Clutch Type	Hydraulic Multi-Plate	Wet, Multi-Plate
Valves Per Cylinder	2	--
Displacement	124.8 cc	249.9 cc
Compression Ratio	--	14.0:1

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Electrical

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

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Fuel & Ignition

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

Chassis & Suspension

Suspension Travel(Rear)	317 mm	300 mm
Seat Type	Slender	Single Seat
Chrome Garnish	Yes	No
Side Wings	Yes	No
Body Frame Type	Central Tube	Central-Tube
Electronic Suspension Adjustment	No	--
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

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Dimension

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

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Wheels & Tyres

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

Gear & Transmission

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

Safety & Security

Side Reflectors	No	No
Back Rest	No	No
ABS	Yes	--
Leg Guards	No	No
Pass Switch	No	--
Engine Check Warning	No	No
Central Locking	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	--
Shutter Lock	No	No
Anti-Theft Alarm	Optional Optional	No
Wheel Lock Front/back	--	No

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Console

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

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Differentiating Features

Height Adjustable Seats	No	No
Cruise Control	No	No

Brake

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