KTM 125 SX 2021 User Manual

RIDING INSTRUCTIONS 8
35
400382-10
–
Fill the fuel tank with fuel up to measurement
A
.
Guideline
Measurement of
A
35 mm (1.38 in)
Total fuel tank
capacity, approx. (All
SX models)
7.5 l
(1.98 US gal)
Super unleaded
(98 octane) mixed
with 2-stroke
engine oil (1:40)
( p. 142)
Total fuel tank
capacity, approx.
(125 XC US)
10 l
(2.6 US gal)
Super unleaded
(98 octane) mixed
with 2-stroke
engine oil (1:40)
( p. 142)
Engine oil, 2-stroke ( p. 141)
– Close the fuel tank filler cap. ( p. 17)

KTM 125 SX 2021 Specifications

General

Engine Type	1-cylinder, 2-stroke engine
Displacement	124.8 cm³
Bore x Stroke	54 mm x 54.5 mm
Starter	Kickstarter
Transmission	6-speed
Front Suspension	WP XACT-USD, Ø 48 mm
Rear Suspension	WP XACT Monoshock with linkage
Cooling	Liquid cooled
Front Tire	80/100-21"
Rear Tire	100/90-19"
Seat Height	950 mm
Ground Clearance	375 mm
Frame	Central tube frame made of chrome molybdenum steel
Front Brake	Disc brake
Rear Brake	Disc brake
Fuel Tank Capacity	7.5 liters
Fuel System	Mikuni TMX carburetor