KTM 250 EXC Six Days TPI 2019 Owner's Manual page 55

Perform major engine service including removing and installing engine.
(Change the connecting rod, conrod bearing, and crank pin. Clean the pressure
sensor cylinder connection. Check the transmission and shift mechanism.
Change all engine bearings.)
○
One-time interval
●
Periodic interval
Every 40 operating hours when used for motorsports
Every 10 operating hours when used for motorsports
Every 80 operating hours
Every 40 operating hours
Once after 20 operating hours
Once after 10 operating hours
SERVICE SCHEDULE 10
Annually
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