KTM 250 SX-F 2023 User Manual

12 BRAKE SYSTEM
92
F03721-10
– Manually press the brake caliper toward the brake disc to push
back the brake piston. Ensure that brake fluid does not flow
out of the brake fluid reservoir; extract some if necessary.
Info
Make sure that you do not press the brake caliper
against the spokes when pushing back the brake piston.
–
Remove cotter pins
4
, pull out pin
5
, and remove the
brake linings.
– Clean the brake caliper and the brake caliper bracket.
F03722-10
–
Check that spring plate
6
in the brake caliper and brake pad
sliding plate
7
in the brake caliper bracket are seated cor-
rectly.
Info
The arrow on the spring plate points in the direction of
rotation of the brake disc.
F03723-10
–
Insert the new brake linings, insert pin
5
, and mount cotter
pins
4
.
Info
Always change the brake linings in pairs.
Make sure that decoupling plate
8
is mounted on the
piston side brake lining.
– Operate the foot brake lever repeatedly until the brake lin-
ings are in contact with the brake disc and there is a pressure
point.
F03718-10
–
Correct brake fluid level to marking
A
.
Brake fluid DOT 4 / DOT 5.1 ( p. 139)
–
Mount and tighten screw cap
2
with membrane
3
and the
O-ring.
Info
Use water to immediately clean up any brake fluid that
has overflowed or spilled.
S05367-11
– Insert the right frame protector from below and push it to the
rear.
–
Mount and tighten screw
1
with washer.
Guideline
Screw, frame protec-
tor
M5 3 Nm (2.2 lbf ft)
– Mount the new cable ties.

KTM 250 SX-F 2023 Specifications

General

Engine Type	1-cylinder, 4-stroke engine
Bore x Stroke	78 mm x 52.3 mm
Compression Ratio	14.4:1
Starter	Electric starter
Transmission	5-speed
Fuel System	Keihin EFI, throttle body 44 mm
Cooling	Liquid cooled
Ignition	Keihin EMS
Front Suspension	WP XACT-USD, Ø 48 mm
Rear Suspension	WP XACT Monoshock with linkage
Front Brake	Disc brake
Rear Brake	Disc brake
Front Tire	80/100-21
Ground Clearance	370 mm
Displacement	249.9 cm³
Final Drive	Chain
Frame	Central double-cradle type 25CrMo4 steel
Rear Tire	100/90-19
Front Wheel	1.60 x 21
Rear Wheel	2.15 x 19
Wheelbase	1, 485 mm ± 10 mm