KTM 450 SX-F 2023 User Manual

14 ELECTRICAL SYSTEM
118
F03751-10
Main work
–
Pull starter relay
1
from the holder.
F03752-10
–
Take off protection caps
2
.
–
Remove faulty main fuse
3
.
Info
A faulty fuse has a burned-out fuse wire
A
.
A spare fuse
4
is located in the starter relay.
– Insert a new main fuse.
Fuse (58011109110) ( p. 149)
– Check that the electrical system is functioning properly.
Tip
Insert a spare fuse so that it is available if needed.
– Mount the protection caps.
– Mount the starter relay onto the holder and route the cable.
Finishing work
– Install the fuel tank. ( p. 80)
– Mount the seat. ( p. 71)
14.5 Changing the fuse of the fuel pump
Warning
Fire hazard Incorrect fuses overload the electrical system.
– Only use fuses with the required ampere value.
– Do not bypass or repair fuses.
Caution
Danger of burns The voltage regulator gets very hot when the vehicle is driven.
– Allow the voltage regulator to cool down before performing any work.
Info
The fuel pump is protected by the fuel pump fuse. This is located under the seat.
Preparatory work
– Remove the seat. ( p. 71)

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