KTM 450 SX-F Repair Manual

Removing the clutch cover
– Remove the plug 1 including the O-ring.
– Insert the mounting pin
2 773.29.012.100.
NOTE: you do not need to remove the water pump cover to remove the
clutch cover.
– Remove the screws
3 and completely take off the clutch cover.
– Pull the rollers
4 out of the engine case.
– Remove the quad ring
5 and O-ring 6.
Removing the clutch
– Loosen the screws on the pressure cap in a crosswise direction and
remove together with the washers and springs.
– Remove the pressure cap
7.
– Take out the pressure piece
8 and pull out the pushrod.
– Take the clutch disk package
9 out of the outer clutch hub.
4-5
5
4
4
6
7
8
9
3
3
3
3
1
2

KTM 450 SX-F Specifications

General

Engine Type	Single Cylinder, 4-Stroke
Displacement	449.9 cc
Bore x Stroke	95 mm x 63.4 mm
Starter	Electric starter
Transmission	5-speed
Fuel System	Keihin EFI, throttle body 44 mm
Cooling	Liquid cooled
Front Suspension	WP XACT-USD, Ø 48 mm
Rear Suspension	WP XACT Monoshock with linkage
Ground Clearance	370 mm
Seat Height	950 mm
Compression Ratio	12.75:1
Ignition	Keihin EMS
Front Brake	Disc brake, 260 mm
Rear Brake	Disc brake, 220 mm
Final Drive	5/8 x 1/4"
Frame	Central-tube frame with double-cradle