The KTM 50 SX Mini motorcycle specifications include a 49 cc (2.99 cu in) engine, a 1-speed gearbox, and a listed weight of 40.5 kg (89.3 lb).
Key specifications
2012, 2013, 2014, 2017, 2018, 2019, 2021, 2022, 2023Model years
49 ccDisplacement
40.5 kgDry weight
558 mmSeat height
2 LFuel tank
914 mmWheelbase
184 mmGround clearance
Model years covered
201220132014201720182019202120222023
Year-specific specification changes
The 2012 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Displacement
2021202349.8 cc (3.04 cu in)
Dry weight
201439 kg (86 lb)
2017202340 kg (88.2 lb)
Frame
20172018Central-tube frame with double-cradle
2019Chrome-molybdenum steel central-tube frame
202125CrMo4 steel central-tube
2022Central-tube frame with double-cradle
2023Chrome-molybdenum steel central-tube
Front brakes
2014Single disc. Two-pot brake caliper
20172018Single disc
2019Single disc. Four-piston calipers.
20212023Single disc
Front suspension
20172019WP upside-down Ø 35 mm
20212023XACT 35 WP Upside-Down fork, Ø 35 mm
Fuel system
2019Carburettor. Mikuni TMX
Rear brakes
20172018Single disc
2019Single disc. Two-piston calipers.
20212023Single disc
Rear suspension
20172019WP shock absorber
20212022XACT WP mono shock
2023XACT WP PDS mono shock
Wheelbase
201720191,032 mm (40.6 inches)
Clutch
20172018Centrifugal clutch (adjustable)
2019Centrifugal clutch
20212023Centrifugal
Fuel capacity
201720182.30 L (0.61 US gal)
201920222.10 L (0.55 US gal)
20232.30 L (0.61 US gal)
Lubrication
20172019Mixture oil lubrication
Rear wheel travel
20172023147 mm (5.8 inches)
How the KTM 50 SX Mini compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
Displacement49 cc
Low 49 ccAverage 444 ccHigh 1,301 cc
About 89% lower than the KTM database average. Around the 4th percentile across KTM models.
Seat height558 mm
Low 607 mmAverage 895 mmHigh 992 mm
About 38% lower than the KTM database average. Around the 1st percentile across KTM models.
Fuel capacity2 L
Low 2 LAverage 10.6 LHigh 23 L
About 81% smaller than the KTM database average. Around the 3rd percentile across KTM models.
This model KTM database average
Mechanical overview
Engine layout snapshot
Single cylinder, two-stroke • 49 cc • Liquid cooled
Chassis snapshot
Wheelbase 914 mmSeat 558 mmClearance 184 mm
1-speed • Chain (final drive)
Additional useful specifications
| Bore/stroke ratio |
0.99:1 (Square) |
Engine specifications
| Engine type |
Single cylinder, two-stroke |
| Displacement |
49 cc (2.99 cu in) |
| Bore × stroke |
39.5 x 40 mm (1.6 x 1.6 inches) |
| Cooling system |
Liquid |
| Fuel system |
Carburettor |
| Starter |
Kick |
| Lubrication |
Separate lubrication |
Transmission and drivetrain
| Gearbox |
1-speed |
| Final drive |
Chain (final drive) |
| Clutch |
3-lining automatic clutch on the main shaft / centrifugal force |
Chassis and suspension
| Frame |
Central tube frame of chrome molybdenum steel tubing, powder-coated |
| Front suspension |
WP Suspension USD 35 |
| Rear suspension |
WP Suspension 3614 BAEM |
| Front wheel travel |
100 mm (3.9 inches) |
| Rear wheel travel |
171 mm (6.7 inches) |
| Rake |
22.6° |
Brakes, wheels and tires
| Front brakes |
Single disc. Four-pot brake caliper |
| Rear brakes |
Single disc. Two-pot brake caliper |
Dimensions and weight
| Dry weight |
40.5 kg (89.3 lb) |
| Seat height |
558 mm (22.0 inches) |
| Wheelbase |
914 mm (36.0 inches) |
| Ground clearance |
184 mm (7.2 inches) |
Fuel and emissions
| Fuel capacity |
2.00 L (0.53 US gal) |
Other specifications
| Color options |
Orange/black/white |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.