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KTM 250 SX 2019 User Manual

KTM 250 SX  2019
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17 SERVICE WORK ON THE ENGINE
122
K01215-10
Main work
Remove the gear oil drain plug with magnet
1
.
Let the gear oil drain fully.
Thoroughly clean the gear oil drain plug with magnet.
Clean the sealing surface on the engine.
Mount and tighten gear oil drain plug with the magnet
1
and
the new seal ring.
Guideline
Gear oil drain plug
with magnet (All SX
models)
M12x1.5 20 Nm (14.8 lbf ft)
Gear oil drain plug
with magnet (All XC
models)
M12x1.5 20 Nm (14.8 lbf ft)
401955-11
Remove filler plug with the O-ring
2
, and fill up with gear oil.
Gear oil 0.80 l
(0.85 qt.)
Engine oil
(15W/50)
( p. 147)
Mount and tighten the filler plug together with the O-ring.
Danger
Danger of poisoningExhaust 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 an effective exhaust extraction system when
starting or running the engine in an enclosed
space.
Start the engine and check that it is oil-tight.
Finishing work
Check the gear oil level. ( p. 121)
17.4 Adding gear oil
Info
Too little gear oil or poor-quality gear oil results in premature wear to the transmission.
Gear oil must only be topped up when the engine is cold.
Preparatory work
Park the motorcycle on a level surface.

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KTM 250 SX 2019 Specifications

General IconGeneral
Displacement249 cc
Bore x Stroke66.4 mm x 72 mm
StarterKickstarter
Transmission5-speed
IgnitionKokusan
Ground Clearance375 mm
Seat Height950 mm
Engine Type2-stroke
ClutchWet, multi-disc clutch
Frame TypeCentral double-cradle type 25CrMo4 steel
Front SuspensionWP XACT 48 mm fork
Rear SuspensionWP XACT shock absorber with linkage
Front BrakeDisc brake, 260 mm
Rear BrakeDisc brake, 220 mm
Fuel Tank Capacity7.5 liters

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