KTM 125 SX - 2021 Specifications and Reviews

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General information
Price as new	2.8 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike.
Category	Enduro / offroad
Year	2021
Model	KTM 125 SX
Engine and Transmission Specifications
Driveline	5/8 Â x Â 1/4 (520) O Ring. Primary drive: 22:72.
Clutch	Multi-plate clutch, Brembo hydraulics
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	Wet sump
Ignition	Kokusan EMS
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection
Bore x Stroke	54.0 x 54.5 mm (2.1 x 2.1 inches)
Power	15.0 Horsepower">HP (10.9 Kilowatt">kW))
Engine type	Single cylinder, two-stroke
Capacity:	124.8 ccm (7.62 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tire	150-17
Front tire	110-17
Rear wheel travel	300 mm (11.8 inches)
Rear Suspension	WP XACT Monoshock with linkage
Front wheel travel	310 mm (12.2 inches)
Front Suspension	WP XACT-USD, Ã˜ 48 mm
Rake (fork angle)	26.1°
Frame type	Central double-cradle-type 25CrMo4 steel

Physical measures and capacities
Fuel capacity	7.50 litres (1.98 US gallons)
Ground clearance	375 mm (14.8 inches)
Seat height	850 mm (33.5 inches) If adjustable, lowest setting.
Power/weight ratio	0.1714 HP/kg
Dry weight	87.5 kg (192.9 pounds)
Other specs
Starter	Kick
Color options	White/Orange

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2021 KTM 125 SX is a powerful and lightweight motocross bike that is perfect for riders looking to take their skills to the next level. With its high-performance engine and race-ready suspension, this bike offers unmatched agility and control on the track. The top-of-the-line components and advanced technology make this motorcycle a top choice for competitive riders who demand the best performance from their machine. Whether you're a seasoned pro or a novice rider, the KTM 125 SX delivers an exhilarating and responsive riding experience that is sure to impress. In conclusion, the 2021 KTM 125 SX is a top-of-the-line motocross bike that offers exceptional performance and handling. With its powerful engine and race-ready suspension, this motorcycle is a top choice for competitive riders looking to push their limits on the track. Whether you're a seasoned pro or a novice rider, the KTM 125 SX delivers an exhilarating and responsive riding experience that is sure to impress. If you're looking for a high-performance motocross bike that delivers unmatched agility and control, the 2021 KTM 125 SX is the perfect choice for you.