KTM 50 SX Mini Specs

2019 - 2022 • 2 variants

The KTM 50 SX Mini is a motorcycle produced from 2019 to 2022 across 2 variants. It is powered by a reed intake displacing 49.0 cc. Peak torque is 9.2 Nm.

About the KTM 50 SX Mini

KTM introduced the 50 SX Mini as part of their Cross / motocross range, with production running from 2012 to 2023. This technical reference page documents the full specification sheet for the KTM 50 SX Mini, 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.

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KTM 50 SX Mini by Year

2022 KTM 50 SX Mini View specs →

2019 KTM 50 SX Mini View specs →

Spec Evolution

How key specs changed across production years.

Specification	2012	2013	2014	2017	2018	2019	2021	2022	2023
Ground Clearance (mm)	184 mm	184 mm	184 mm	184 mm	184 mm	252 mm ↑	184 mm ↓	184 mm	184 mm
Ground Clearance (in.)	7.2 inches	7.2 inches	7.2 inches	7.2 inches	7.2 inches	9.9 inches ↑	7.2 inches ↓	7.2 inches	7.2 inches
Displacement (ci)	2.99 cubic inches	2.99 cubic inches	2.99 cubic inches	2.99 cubic inches	2.99 cubic inches	2.99 cubic inches	3.04 cubic inches ↑	3.04 cubic inches	3.04 cubic inches
Displacement (cc)	49.00 cc	49.00 cc	49.00 cc	49.00 cc	49.00 cc	49.0 cc	49.8 cc ↑	49.8 cc	49.8 cc
Comments	-	-	German brand.	-	-	The engine power can be restricted to 5.5 hp with a kit.	-	Intended for children.	Intended for children.
Fuel Control	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	-	-	-	-	Double Overhead Cams/Twin Cam (DOHC)	-	-
Brakes - Rear Diameter (mm)	140 mm	140 mm	160 mm ↑	160 mm	160 mm	-	-	-	-
Brakes - Rear Diameter (in.)	5.5 inches	5.5 inches	6.3 inches ↑	6.3 inches	6.3 inches	-	-	-	-
Frame Type	Central tube frame of chrome molybdenum steel tubing, powder-coated	Central tube frame of chrome molybdenum steel tubing, powder-coated	Central tube frame of chrome molybdenum steel tubing, powder-coated	Central-tube frame with double-cradle	Central-tube frame with double-cradle	Chrome-molybdenum steel central-tube frame	25CrMo4 steel central-tube	Central-tube frame with double-cradle	Chrome-molybdenum steel central-tube
Dry Weight	40.5 kg / 89.3 lbs	40.5 kg / 89.3 lbs	39 kg / 86.0 lbs ↓	40 kg / 88.2 lbs ↑	40 kg / 88.2 lbs	40 kg / 88.2 lbs	40 kg / 88.2 lbs	40 kg / 88.2 lbs	40 kg / 88.2 lbs
Seat Height	558 mm / 22.0 in.	558 mm / 22.0 in.	558 mm / 22.0 in.	558 mm / 22.0 in.	558 mm / 22.0 in.	684 mm / 26.9 in. ↑	558 mm / 22.0 in. ↓	558 mm / 22.0 in.	558 mm / 22.0 in.
Brakes - Front	Single disc. Four-pot brake caliper	Single disc. Four-pot brake caliper	Single disc. Two-pot brake caliper	Single disc	Single disc	Single disc. Four-piston calipers.	Single disc	Single disc	Single disc
Engine Detail	Reed intake	Reed intake	Reed intake	Reed intake.	Reed intake.	Reed intake	-	-	Reed-valve
Wheelbase	914 mm / 36.0 in.	914 mm / 36.0 in.	914 mm / 36.0 in.	1,032 mm / 40.6 in. ↓	1,032 mm / 40.6 in.	1032 mm / 40.6 in. ↑	-	-	-
Fuel Capacity	2.00 litres / 0.53 gallons	2.00 litres / 0.53 gallons	2.00 litres / 0.53 gallons	2.30 litres / 0.61 gallons ↑	2.30 litres / 0.61 gallons	2.10 litres / 0.55 US gallons ↓	2.10 litres / 0.55 US gallons	2.10 litres / 0.55 US gallons	2.30 litres / 0.61 US gallons ↑
Brakes - Rear	Single disc. Two-pot brake caliper	Single disc. Two-pot brake caliper	Single disc. Two-pot brake caliper	Single disc	Single disc	Single disc. Two-piston calipers.	Single disc	Single disc	Single disc
Suspension - Front	WP Suspension USD 35	WP Suspension USD 35	WP Suspension USD 35	WP upside-down ? 35 mm	WP upside-down ? 35 mm	WP upside-down Ø 35 mm	XACT 35 WP Upside-Down fork, Ø 35 mm	XACT 35 WP Upside-Down fork, Ø 35 mm	XACT 35 WP Upside-Down fork, Ø 35 mm
Suspension - Rear	WPSuspension3614 BAEM	WP?Suspension?3614 BAEM	WP?Suspension?3614 BAEM	WP shock absorber	WP shock absorber	WP shock absorber	XACT WP mono shock	XACT WP mono shock	XACT WP PDS mono shock
Fuel System	Carburettor	Carburettor	Carburettor	Carburettor	Carburettor	Carburettor. Mikuni TMX	-	-	Carburettor
Colours	Orange/black/white	Orange/black/white	Orange/black/white	Orange/white/black	Orange/white/black	Orange/white/black	White/orange/black	White/orange/black	White/orange/grey
Clutch	3-lining automatic clutch on the main shaft / centrifugal force	3-lining automatic clutch on the main shaft / centrifugal force	3-lining automatic clutch on the main shaft / centrifugal force	Centrifugal clutch (adjustable)	Centrifugal clutch (adjustable)	Centrifugal clutch	Centrifugal	Centrifugal	Centrifugal
Final Drive	Chain	Chain	Chain	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Rims	5.0 inches X 10.0 inches DWT Al 6061/ 8.0 inches X 9.0 inches DWT Al 6061;	-	-	-	-	Wire spoked	-	-	-
Height	-	1,140 mm / 44.9 in.	1,120 mm / 44.1 in. ↓	-	-	-	-	-	-
Length	-	2,090 mm / 82.3 in.	2,120 mm / 83.5 in. ↑	914 mm / 36.0 in. ↑	914 mm / 36.0 in.	-	-	-	-
Compression Ratio	11.0:1	10.6:1 ↓	-	-	-	-	-	-	-
Engine Lubrication	Separate lubrication	Separate lubrication	Separate lubrication	Mixture oil lubrication	Mixture oil lubrication	Mixture oil lubrication	-	-	-
Tyres - Front	21/7-10	100/80-17 ↑	110/70-17 ↑	-	-	-	-	-	-
Gearbox	1-speed	1-speed	1-speed	1-speed	1-speed	1-speed	Automatic	Automatic	Automatic
Width	-	830 mm / 32.7 in.	840 mm / 33.1 in. ↑	-	-	-	-	-	-
Tyres - Rear	20/11-9	110/80-17 ↑	130/70-17 ↑	-	-	-	-	-	-
Primary Drive	11:40. Primary drive: 61:33. Rigid 1-stage reduction gear.	11:40. Primary drive: 61:33. Rigid 1-stage reduction gear.	11:40. Primary drive: 61:33. Rigid 1-stage reduction gear.	11:40. Primary drive: 33:61 straight cut spur gear.	11:40. Primary drive: 33:61 straight cut spur gear.	-	-	1/2 x 3/16´ chain	1/2 x 3/16´ chain
Rake	22.6°	-	-	24.0°	24.0°	24.0°	24.0°	23.6° ↓	22.6° ↓
Exhaust	Aluminum XC w/Spark Arrestor	-	Stainless steel exhaust	-	-	-	-	-	-
Wheel Travel - Front	275 mm / 10.8 in.	100 mm / 3.9 in. ↓	100 mm / 3.9 in.	100 mm / 3.9 in.	100 mm / 3.9 in.	100 mm / 3.9 in.	100 mm / 3.9 in.	100 mm / 3.9 in.	100 mm / 3.9 in.
Wheel Travel - Rear	272 mm / 10.7 in.	171 mm / 6.7 in. ↓	171 mm / 6.7 in.	147 mm / 5.8 in. ↓	147 mm / 5.8 in.	147 mm / 5.8 in.	147 mm / 5.8 in.	147 mm / 5.8 in.	147 mm / 5.8 in.
Ignition	Kokusan digital 4K-3B	SELETTRA 2p D36 ↓	SELETTRA 2p D36	Seletra 2p D36	Seletra 2p D36	Seletra 2p D36	-	Seletra 2p D36 EMS	Seletra 2p D36 EMS
Valve System	4	2 ↓	-	-	-	-	-	-	-

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