KTM 250 EXC 2023 User Manual

SERVICE WORK ON THE CHASSIS 12
87
12.33 Checking the chain for dirt
400678-01
– Check the chain for heavy soiling.
» If the chain is very dirty:
– Clean the chain. ( p. 87)
12.34 Cleaning the chain
Warning
Danger of accidents Lubricants on the tires reduces the road grip.
– Remove lubricants from the tires using a suitable cleaning agent.
Warning
Danger of accidents Oil or grease on the brake discs reduces the braking effect.
– Always keep the brake discs free of oil and grease.
– Clean the brake discs with brake cleaner when necessary.
Note
Environmental hazard Hazardous substances cause environmental damage.
– Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with
the applicable regulations.
Info
The service life of the chain depends largely on its maintenance.
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 64)
400725-01
Main work
– Rinse off loose dirt with a soft jet of water.
– Remove old grease residue with chain cleaner.
Chain cleaner ( p. 170)
– After drying, apply chain spray.
Off-road chain spray ( p. 170)
Finishing work
– Remove the motorcycle from the lift stand. ( p. 64)

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