KTM 250 SX-F 2023 User Manual

17 SERVICE WORK ON THE ENGINE
118
H04995-10
–
Remove screws
5
. Take off the oil filter cover with the O-
ring.
H04996-10
–
Pull oil filter
6
out of the oil filter housing.
Lock ring plier (51012011000)
– Allow the engine oil to drain completely.
– Thoroughly clean the parts and the sealing surfaces.
H04997-10
– Lay the motorcycle on its side and fill the oil filter housing to
about ⅓ full with engine oil.
– Fill the oil filter with engine oil and position the oil filter in the
housing.
– Oil the O-ring of the oil filter cover and mount it together with
oil filter cover
7
.
– Mount and tighten the screws.
Guideline
Screw, oil filter cover M6 10 Nm (7.4 lbf ft)
– Stand the motorcycle upright.
401955-12
–
Remove filler plug
8
with the O-ring, and fill up with engine
oil.
Engine oil 1.0 l (1.1 qt.) Engine oil
(SAE 10W/50)
( p. 139)
Info
Too little engine oil or poor-quality engine oil will result
in premature wear of the engine.
– Mount and tighten the filler plug together with the O-ring.
Danger
Danger of poisoning Exhaust gases are toxic and inhal-
ing them may result in unconsciousness and death.
– Always make sure there is sufficient ventilation
when running the engine.
– Use effective exhaust extraction when starting or
running the engine in an enclosed space.
– Start the engine and check it for leaks.

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