KTM 250 EXC 2023 User Manual

10 SERVICE SCHEDULE
52
Every 40 operating hours when used for motorsports
Every 10 operating hours when used for motorsports
every 48 months
every 12 months
Every 80 operating hours
Every 40 operating hours
After 20 operating hours
After 10 operating hours
Change the coolant. ( p. 133) ●
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 connecting rod, conrod bearing, and crank pin. Clean the
hose connections of the pressure sensor. Check the transmission and shift
mechanism. Change all engine bearings.)
● ●
○ One-time interval
● Periodic interval

KTM 250 EXC 2023 Specifications

General

Engine Type	1-cylinder, 2-stroke engine
Displacement	249 cm³
Bore x Stroke	66.4 mm x 72 mm
Starter	Electric starter
Transmission	6-speed
Cooling	Liquid cooled
Front Suspension	WP XPLOR-USD, Ø 48 mm
Front Brake	Disc brake, 260 mm
Rear Brake	Disc brake, 220 mm
Fuel Tank Capacity	9 L
Ground Clearance	370 mm
Seat Height	960 mm
Rear Suspension	WP XPLOR shock absorber with linkage
Frame	Central double-cradle type, Chromium-Molybdenum