Motorcycles Specs > KTM > KTM 125 SX

KTM 125 SX Specs

(2019)
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Key Specs

Single cylinder, two-stroke
7.6 cu-in
124.8 cm3
6-speed

KTM 125 SX General Information

Brand KTM 
Model KTM 125 SX 
Start year 2019 
Year 2019 
Category Cross / motocross 
Factory Warranty (Years / miles)

KTM 125 SX Dimensions, Aerodynamics and weight

Frame type Chrome-molybdenum steel central-tube frame 
Seat details
Wheelbase 1,485 mm (58.5 inches) 
Length
Width
Height
Seat Height 950 mm (37.4 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance 375 mm (14.8 inches) 
Trail size
Wheels details CNC machined hubs. Excel rims. Wire spoked. 
Front Tyres - Rims dimensions
Rear Tyres - Rims dimensions
Front brakes Single disc. Brake calipers on floating bearings 
Rear brakes Single disc. Brake calipers on floating bearings 
Front Brakes Dimensions - Disc Dimensions 260 mm (10.2 inches) 
Rear Brakes Dimensions - Disc Dimensions 220 mm (8.7 inches) 
Curb Weight (including fluids)
Dry Weight 87.5 kg (192.9 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity 7.50 litres (1.98 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension WP-USD, AER 48, Ø 48 mm 
Front Suspension Travel 310 mm (12.2 inches) 
Rear Suspension WP shock absorber with linkage 
Rear Suspension Travel 300 mm (11.8 inches) 

KTM 125 SX Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details Reed intake. 
Fuel system Carburettor. Mikuni TMX 
Engine size - Displacement - Engine capacity 124.80 ccm (7.62 cubic inches) 
Bore x Stroke 54.0 x 54.5 mm (2.1 x 2.1 inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration
Maximum power - Output - Horsepower
Maximum torque
Engine Maximum RPM
Cooling system Liquid 
Lubrication system
Engine oil capacity
Exhaust system
Gearbox 6-speed 
Transmission type, final drive ratio Chain 
Clutch type Wet multi-disc clutch, hydraulically actuated 
Driveline 13:50. Primary drive: 23:73. 

KTM 125 SX Performance

Top Speed
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions
Emissions

KTM 125 SX Electrical Systems, Ignition and Equipment

Ignition Type Kokusan EMS 
Electrical Details
Starter Type Kick 
Instruments
Lights
How much does a KTM 125 SX weighs?
The KTM 125 SX weighs 87.5 kg (192.9 pounds).

How tall (seat height) is a KTM 125 SX?
The KTM 125 SX seat height is 950 mm (37.4 inches) If adjustable, lowest setting.

How many gears does a KTM 125 SX has?
The KTM 125 SX has 6 gears.