KTM 125 SX 2021 User Manual

11 SERVICE WORK ON THE CHASSIS
60
V01527-10
– Position link fork and mount fork pivot.
Info
Pay attention to flat area
A
.
–
Mount and tighten nut
2
.
Guideline
Nut, fork pivot M16x1.5 100 Nm
(73.8 lbf ft)
M01149-01
–
Mount the chain.
– Connect the chain with the connecting link.
Guideline
The closed side of the chain joint lock must face in the
direction of travel.
K01148-10
– Position the foot brake cylinder.
Push rod
3
engages in the foot brake cylinder.
The dust boot is correctly positioned.
–
Mount and tighten screws
4
.
Guideline
Remaining screws,
chassis
M6 10 Nm (7.4 lbf ft)
K00864-10
– Position the angle lever and linkage lever.
–
Mount and tighten fitting
5
.
Guideline
Nut, linkage lever on
angle lever
M14x1.5 60 Nm (44.3 lbf ft)
Info
Pay attention to flat area
B
.
–
Mount and tighten screw
6
.
Guideline
Screw, bottom
shock absorber
M10 60 Nm (44.3 lbf ft)
Loctite
®
2701™
Info
Raise the wheel slightly to be able to mount the screw
more easily.

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