KTM 250 SX-F Specs

2013 - 2023 • 5 variants

KTM has built the 250 SX-F, a motocross bike, across 5 variants since 2013, most recently updated for 2023. Under the tank sits a balancer shaft, 248.60 cc in capacity. Torque tops out at 9.2 Nm.

About the KTM 250 SX-F

KTM introduced the 250 SX-F as part of their Cross / motocross range, with production running from 2006 to 2023. This technical reference page documents the full specification sheet for the KTM 250 SX-F, including engine displacement, power and torque figures, frame and suspension geometry, braking systems, and overall dimensions. Select a model year above to view year-specific technical data. Specifications are compiled from official manufacturer sources.

KTM 250 SX-F by Year

2023 KTM 250 SX-F View specs →

2022 KTM 250 SX-F View specs →

2017 KTM 250 SX-F View specs →

2016 KTM 250 SX-F View specs →

2013 KTM 250 SX-F View specs →

Spec Evolution

How key specs changed across production years.

Specification	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2021	2022	2023
Brakes - Front Diameter (in.)	10.2 inches	-	10.2 inches	10.2 inches	-	10.2 inches	10.2 inches	8.7 inches ↓	10.2 inches ↑	10.2 inches	10.2 inches	10.2 inches	10.2 inches	-	-	-
Brakes - Front Diameter (mm)	260 mm	-	260 mm	260 mm	-	260 mm	260 mm	220 mm ↓	260 mm ↑	260 mm	260 mm	260 mm	260 mm	-	-	-
Brakes - Rear Diameter (in.)	8.7 inches	-	8.7 inches	8.7 inches	-	8.7 inches	8.7 inches	8.3 inches ↓	8.7 inches ↑	8.7 inches	8.7 inches	8.7 inches	8.7 inches	-	-	-
Brakes - Rear Diameter (mm)	220 mm	-	220 mm	220 mm	-	220 mm	220 mm	210 mm ↓	220 mm ↑	220 mm	220 mm	220 mm	220 mm	-	-	-
Comments	-	-	-	-	-	With reverse. German brand.	-	-	German brand.	-	-	-	-	-	-	-
Displacement (cc)	249.50 cc	249.50 cc	248.60 cc ↓	248.60 cc	248.60 cc	248.60 cc	248.60 cc	249.91 cc ↑	249.91 cc	249.91 cc	249.91 cc	249.91 cc	249.91 cc	249.9 cc	249.9 cc	249.9 cc	249.9 cc
Displacement (ci)	15.22 cubic inches	15.22 cubic inches	15.17 cubic inches ↓	15.17 cubic inches	15.17 cubic inches	15.17 cubic inches	15.17 cubic inches	15.25 cubic inches ↑	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches	15.25 cubic inches
Engine Type	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke	Single cylinder, four-stroke
Fuel Control	DOHC	DOHC	DOHC	DOHC	DOHC	DOHC	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	-	-	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	-	-
Ground Clearance (in.)	15.0 inches	15.0 inches	15.0 inches	15.0 inches	15.0 inches	14.8 inches ↓	14.8 inches	14.8 inches	14.8 inches	14.8 inches	14.6 inches ↓	14.6 inches	14.6 inches	14.6 inches	14.6 inches	14.6 inches	13.5 inches ↓
Ground Clearance (mm)	380 mm	380 mm	380 mm	380 mm	380 mm	375 mm ↓	375 mm	375 mm	376 mm ↑	376 mm	370 mm ↓	370 mm	370 mm	370 mm	370 mm	370 mm	343 mm ↓
Maximum RPM	-	-	-	-	-	-	-	-	-	-	14000	14000	14000	14000	-	-
Stroke	-	-	-	4	-	-	-	-	-	-	-	-	-	-	-	-	4-stroke
Bore x Stroke (mm)	66.4 x 72.0 mm	76.0 x 55.0 mm ↑	76.0 x 54.8 mm	76.0 x 54.8 mm	76.0 x 54.8 mm	76.0 x 54.8 mm	76.0 x 54.8 mm	78.0 x 52.3 mm ↑	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	78.0 x 52.3 mm	81.0 x 48.5 mm ↑
Bore x Stroke (in,)	2.6 x 2.8 inches	3.0 x 2.2 inches ↑	3.0 x 2.2 inches	3.0 x 2.2 inches	3.0 x 2.2 inches	3.0 x 2.2 inches	3.0 x 2.2 inches	3.1 x 2.1 inches ↑	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.1 x 2.1 inches	3.2 x 1.9 inches ↑
Frame Type	Central double-cradle-type 25 CrMo4	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4. Aluminium subframe.	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4. Subframe: Aluminium.	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	25CrMo4 steel central-tube frame	25CrMo4 steel central-tube frame	25CrMo4 steel central-tube frame	25CrMo4 steel central-tube frame	Central double-cradle-type 25CrMo4 steel	Central double-cradle-type 25CrMo4 steel	Central double-cradle-type 25CrMo4 steel
Dry Weight	98.5 kg / 217.2 lbs	98.5 kg / 217.2 lbs	98 kg / 216.1 lbs ↓	98 kg / 216.1 lbs	98 kg / 216.1 lbs	99.9 kg / 220.2 lbs ↑	103.4 kg / 228.0 lbs ↑	102.8 kg / 226.6 lbs ↓	102.8 kg / 226.6 lbs	102.8 kg / 226.6 lbs	98.5 kg / 217.2 lbs ↓	98.2 kg / 216.5 lbs ↓	98.2 kg / 216.5 lbs	99 kg / 218.3 lbs ↑	99 kg / 218.3 lbs	99 kg / 218.3 lbs	101 kg / 222.7 lbs ↑
Seat Height	925 mm / 36.4 in.	925 mm / 36.4 in.	960 mm / 37.8 in. ↑	985 mm / 38.8 in. ↑	985 mm / 38.8 in.	992 mm / 39.1 in. ↑	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	960 mm / 37.8 in. ↓	960 mm / 37.8 in.	960 mm / 37.8 in.	960 mm / 37.8 in.	950 mm / 37.4 in. ↓	950 mm / 37.4 in.	958 mm / 37.7 in. ↑
Brakes - Front	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc. Four-piston calipers.	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc	Single disc	Single disc
Wheelbase	1,481 mm / 58.3 in.	1,481 mm / 58.3 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,495 mm / 58.9 in. ↑	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,485 mm / 58.5 in. ↓	1,485 mm / 58.5 in.	1,485 mm / 58.5 in.	1485 mm / 58.5 in. ↑	1495 mm / 58.9 in. ↑	1495 mm / 58.9 in.	1495 mm / 58.9 in.
Engine Detail	-	-	-	-	-	-	-	-	-	-	-	-	Balancer shaft	Balancer shaft	Reed intake	-
Brakes - Rear	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc. Two-piston calipers.	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc. Brake calipers on floating bearings	Single disc	Single disc	Single disc
Fuel Capacity	7.00 litres / 1.85 gallons	7.00 litres / 1.85 gallons	7.20 litres / 1.90 gallons ↑	8.00 litres / 2.11 gallons ↑	8.00 litres / 2.11 gallons	7.50 litres / 1.98 gallons ↓	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.00 litres / 1.85 gallons ↓	7.00 litres / 1.85 gallons	7.00 litres / 1.85 gallons	7.00 litres / 1.85 US gallons	7.00 litres / 1.85 US gallons	7.50 litres / 1.98 US gallons ↑	7.20 litres / 1.90 US gallons ↓
Suspension - Front	WP-USD 48 mm (1.89 inches)	WP USD	WP USD 48 mm (1.89	WP USD, 48 mm	WP USD48 mm fork	WP USD 48 mm (1.89 in)	WP Suspension Up Side Down 4860 MXMA CC ↑	WP ?Suspension Up Side Down 4860 MXMA CC	WP ?Suspension Up Side Down 4860 MXMA CC	300 mm (11.8 inches) ↓	WP-USD, AER 48, ? 48 mm ↓	WP-USD, AER 48, ? 48 mm	WP-USD, AER 48, ? 48 mm	WP-USD, AER 48, Ø 48 mm	WP XACT-USD, Ø 48 mm	WP XACT-USD, Ø 48 mm	WP XACT-USD, Ø 48 mm
Suspension - Rear	WP-PDS shock absorber	WP monoshock PDS	WP monoshock PDS	WP PDS shock absorber	WP PDS shock absorber	WP-Monoshock with linkage	WP Suspension 5018 BAVP DCC	WP ?Suspension 5018 BAVP DCC	WP ?Suspension 5018 BAVP DCC	317 mm (12.5 inches) ↓	WP shock absorber with linkage	WP shock absorber with linkage	WP shock absorber with linkage	WP shock absorber with linkage	WP XACT Monoshock with linkage	WP XACT Monoshock with linkage	WP XACT Monoshock with linkage
Fuel System	Carburettor. Keihin MX FCR 39	Carburettor. Keihin MX FCR 39	Carburettor. Keihin MX FCR 39	Carburettor. Keihin MX FCR 39	Carburettor. Keihin FCR MX 39	Carburettor. Keihin EFI, throttle body 42 mm ↑	Carburettor. Keihin CVK34 ↓	Carburettor	Carburettor	-	-	-	-	-	-	-
Colours	-	-	-	Orange/black	Orange	Orange/black/white	Orange/black/white	Orange/black	Orange/black	Orange/black	Orange/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/blue	Orange/white/grey
Clutch	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet mDouble disk clutch, operated hydraulically	Wet mDouble disk clutch, operated hydraulically	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch, Brembo hydraulics	Wet multi-disc clutch, Brembo hydraulics	Wet multi-disc clutch, Brembo hydraulics
Final Drive	-	Chain	-	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Rims	-	-	-	-	-	1.60 x 21in., 2.15 x 19in. Excel	-	-	-	-	-	CNC machined hubs. Excel rims. Wire spoked.	CNC machined hubs. Excel rims. Wire spoked.	CNC machined hubs. Excel rims. Wire spoked.	Wire spoked.	Wire spoked.	Wire spoked.
Height	-	-	-	-	-	-	1,146 mm / 45.1 in.	1,140 mm / 44.9 in.	1,120 mm / 44.1 in. ↓	-	-	-	-	-	-	-	-
Length	-	-	-	-	-	1,400 mm / 55.1 in.	2,065 mm / 81.3 in. ↑	2,090 mm / 82.3 in. ↑	2,120 mm / 83.5 in. ↑	-	-	-	-	-	-	-	-
Compression Ratio	12.8:1	12.8:1	12.8:1	12.8:1	12.8:1	13.2:1 ↑	13.2:1	10.6:1 ↓	-	-	-	-	14.0:1	14.0:1	-	-
Warranty	-	-	-	-	-	-	12 Months	-	-	-	-	-	-	-	-	-
Wet Weight	-	-	-	-	-	104.0 kg / 229.3 lbs	292.1 kg / 643.9 lbs ↑	-	112.0 kg / 246.9 lbs	-	-	-	-	-	-	-	-
Emissions	-	-	-	-	-	Euro 2	-	-	Euro 2	-	-	-	-	-	-	-
Tyres - Front	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	19/7-8 ↓	25/8-12 ↑	100/80-17 ↑	110/70-17 ↑	-	-	-	-	-	80/100-21	80/100-21	80/100-21
Engine Lubrication	Pressure lubrication with 2 Eaton pumps	Pressure lubrication with 2 Eaton pumps	Pressure lubrication	Pressure lubrication	Pressure lubrication with 2 oil pumps	Pressure lubrication with 2 oil pumps	Forced oil lubrication with 2 Eaton pumps	Forced oil lubrication with 2 Eaton pumps	Forced oil lubrication with 2 Eaton pumps	Forced oil lubrication with 2 Eaton pumps	Forced oil lubrication with 2 Eaton pumps	-	-	-	-	-
Gearbox	6-speed	6-speed	6-speed	6-speed	6-speed	6-speed	6-speed	5-speed ↓	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed	5-speed
Width	-	-	-	-	-	960 mm / 37.8 in.	1,204 mm / 47.4 in. ↓	830 mm / 32.7 in. ↑	840 mm / 33.1 in. ↑	-	-	-	-	-	-	-	-
Tyres - Rear	100/90-19	100/90-19	100/90-19	100/90-19	100/90-19	100/90-19	100/90-19	110/80-17 ↑	130/70-17 ↑	-	-	-	-	-	-	-
Primary Drive	-	-	-	-	-	13:48. Primary drive: 22:68.	13:48	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 22:68.	13:48. Primary drive: 26:72. 520 X-ring chain.	5/8 x 1/4´ chain. ↓	X-Ring 5/8 x 1/4´ chain.
Rake	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°
Exhaust	Aluminum	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	-	-	Stainless steel exhaust	-	-	-	-	-	-	-
Instrumentation	-	-	-	-	-	-	-	-	Digital cockpit	-	-	-	-	-	-	-
Lighting system	-	-	-	-	-	-	30W x 2 halogen	-	-	-	-	-	-	-	-	-
Wheel Travel - Front	300 mm / 11.8 in.	115 mm / 4.5 in. ↓	300 mm / 11.8 in. ↑	300 mm / 11.8 in.	300 mm / 11.8 in.	185 mm / 7.3 in. ↓	300 mm / 11.8 in. ↑	205 mm / 8.1 in. ↓	300 mm / 11.8 in. ↑	-	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	310 mm / 12.2 in. ↑	310 mm / 12.2 in.	310 mm / 12.2 in.	310 mm / 12.2 in.
Wheel Travel - Rear	335 mm / 13.2 in.	185 mm / 7.3 in. ↓	335 mm / 13.2 in. ↑	335 mm / 13.2 in.	335 mm / 13.2 in.	185 mm / 7.3 in. ↓	330 mm / 13.0 in. ↑	185 mm / 7.3 in. ↓	317 mm / 12.5 in. ↑	-	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.
Ignition	Kokusan digital 4K-3A	Kokusan digital 4K-3A	Kokusan digital magneto CDI	Kokusan	Kokusan	Keihin EMS	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	Keihin EMS	Keihin EMS	Keihin EMS	Keihin EMS	Keihin EMS	Keihin EMS	Keihin EMS
Max Torque	-	-	-	-	-	-	-	9.20 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7000 Revolutions	-	-	-	-	-	-	-	-
Power-to-Weight Ratio	-	-	-	-	-	-	-	0.0815 HP/kg	-	-	-	-	-	-	-	-
Starter	Kick	Kick	Kick	Kick	Kick	Kick	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Valve System	4	4	4	4	4	4	-	2	-	-	-	-	-	-	-	-

KTM 250 SX-F Competitors

Similar motorcycles by category and engine size.

Husqvarna FC250 2020 - 2023 • 250 cc View specs →

Husqvarna FC 250 Heritage 2023 • 250 cc View specs →

Yamaha YZ250F 2007 - 2022 • 250 cc View specs →

Husqvarna TC250 2016 • 250 cc View specs →

Honda CRF250R 2008 - 2023 • 249 cc View specs →

Yamaha YZ250 2005 - 2023 • 249 cc View specs →