KTM 450 SX-F 2023 User Manual

SERVICE WORK ON THE CHASSIS 11
65
Finishing work
– Remove the motorcycle from the lift stand. ( p. 53)
11.14 Adjusting the steering head bearing play
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 53)
– Take off the handlebar cushion.
S05338-10
Main work
(All standard models)
–
Loosen screws
1
.
–
Remove screw
2
.
–
Loosen and retighten screw
3
.
Guideline
Screw, top steering
head
M20x1.5 12 Nm (8.9 lbf ft)
– Using a plastic hammer, tap lightly on the upper triple
clamp to avoid stresses.
–
Mount and tighten screw
2
.
Guideline
Screw, top
steering stem
M8 20 Nm (14.8 lbf ft)
Loctite
®
243™
–
Tighten screws
1
.
Guideline
Screw, top triple
clamp
M8 17 Nm
(12.5 lbf ft)
Z03287-10
(Factory Edition)
–
Loosen screws
1
.
–
Remove screw
2
.
–
Loosen and retighten screw
3
.
Guideline
Screw, top steering
head
M20x1.5 12 Nm (8.9 lbf ft)
– Using a plastic hammer, tap lightly on the upper triple
clamp to avoid stresses.
–
Mount and tighten screw
2
.
Guideline
Screw, top
steering stem
M8 20 Nm (14.8 lbf ft)
Loctite
®
243™
–
Tighten screws
1
.
Guideline
Screw, top triple
clamp
M8 17 Nm
(12.5 lbf ft)
– Check the steering head bearing for play. ( p. 64)
Finishing work
– Mount the handlebar cushion.
– Remove the motorcycle from the lift stand. ( p. 53)

KTM 450 SX-F 2023 Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	449.9 cc
Bore x Stroke	95 mm x 63.4 mm
Starter	Electric starter
Compression Ratio	13.1:1
Transmission	5-speed
Final Drive	Chain
Cooling	Liquid-cooled
Frame	Central Double-Cradle Type 25CrMo4 Steel
Front Suspension	WP XACT-USD, Ø 48 mm
Rear Suspension	WP XACT Monoshock with linkage
Ground Clearance	370 mm
Fuel System	Keihin EFI, 44 mm
Front Brake	260 mm disc
Rear Brake	220 mm disc
Fuel Tank Capacity	7.2 L