KTM 250 SX-F 2023 User Manual

11 SERVICE WORK ON THE CHASSIS
80
H04933-10
– Move the hydraulic clutch fluid reservoir mounted on the han-
dlebar into a horizontal position.
–
Remove screws
1
.
–
Take off cover
2
with membrane
3
.
H04934-10
–
Fill bleeding syringe
4
with the appropriate hydraulic fluid.
Syringe (50329050000)
Brake fluid DOT 4 / DOT 5.1 ( p. 139)
– On the clutch slave cylinder, remove the protection cap and
mount bleeding syringe
4
with an appropriate hose piece on
bleeder screw
5
.
–
Only loosen bleeder screw
5
on the clutch slave cylinder
until filling is possible.
Info
Use water to immediately clean up any brake fluid that
has overflowed or spilled.
Avoid contact between the brake fluid and painted
parts. Brake fluid corrodes paint.
Only use clean brake fluid from a sealed container.
H04932-10
– Now press the fluid into the system until it emerges from
hole
6
of the master cylinder without bubbles.
– Occasionally extract the fluid from the master cylinder reser-
voir to prevent overflowing.
– Tighten the bleeder screw and remove the bleeding syringe
with the hose. Mount the protection cap.
– Correct the fluid level of the hydraulic clutch.
Guideline
Fluid level below container
rim
4 mm (0.16 in)
– Position the cover with the membrane. Mount and tighten the
screws.

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