KTM 125 SX User Manual

11 SERVICE WORK ON THE CHASSIS 49
402556-11
(250 SX EU)
– Position the fork legs.
Bleeder screws

are positioned toward the front.
Info
Grooves are milled into the side of the upper end of the fork legs. The
second milled groove (from the top) must be flush with the top edge of
the upper triple clamp.
(125/150 SX US, All XC models, 250 SX US)
– Position the fork legs.
Bleeder screws

are positioned toward the front.
Info
The compression damping is located in the left fork leg COMP (white
adjusting screw). The rebound damping is located in the right fork
leg REB (red adjusting screw).
Grooves are milled into the side of the upper end of the fork legs. The
second milled groove (from the top) must be flush with the top edge of
the upper triple clamp.
M01138-10
–
Tighten screws

.
Guideline
Screw, bottom triple clamp M8 12 Nm (8.9 lbf ft)
M01139-10
–
Tighten screw

.
Guideline
Screw, top steering head M20x1.5 12 Nm (8.9 lbf ft)
M01140-10
–
Mount and tighten screw

.
Guideline
Screw, top steering stem
(All SX models)
M8 20 Nm
(14.8 lbf ft)
Loctite
®
243™
Screw, top steering stem
(All XC models)
M8 17 Nm
(12.5 lbf ft)
Loctite
®
243™
M01138-11
–
Tighten screws

.
Guideline
Screw, top triple clamp M8 17 Nm
(12.5 lbf ft)

KTM 125 SX Specifications

General

Engine Type	1-cylinder, 2-stroke engine
Displacement	124.8 cm³
Bore/Stroke	54 mm / 54.5 mm
Starter	Kickstarter
Transmission	6-speed
Rear Suspension	WP XACT shock absorber with linkage
Front Brake	Disc brake
Rear Brake	Disc brake
Ground Clearance	375 mm
Seat Height	950 mm
Cooling	Liquid cooled
Front Suspension	WP XACT USD, Ø 48 mm
Fuel System	Carburetor
Clutch	Wet multi-disc clutch
Frame	Central double-cradle type in chrome-molybdenum steel