KTM 250 SX 2019 Owner's Manual page 40

9 SERVICE SCHEDULE
Perform minor engine service. (Check the exhaust control for functioning and
smooth operation. Check the clutch.)
Perform major engine service including removing and installing the engine. Change
the piston and check the cylinder. Change the connecting rod, conrod bearing and
crank pin. Check the transmission and shift mechanism. Change all engine bear-
ings.)
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One-time interval
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Periodic interval
38
Once after 10 operating hours / Every 10 operating hours
(All XC models)
Every 40 operating hours when used for motorsports
Once after 20 operating hours / Every 20 operating hours
(All XC models)
Annually
Every 80 operating hours
Every 40 operating hours
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