KTM 450 SX-F EU Repair Manual

KTM 450 SX-F EU

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301DISASSEMBLING

THE

ENGINE

119

- Remove centering pins . Take off the alternator cover gasket .

RemDYinl

tile

ta!llue

limiter

and

starter

idler

~r

- Remove torque limiter

- Remove starter idler gear .

Posilioninllha

anlina

at

il'!ition

lOp

dud

cantar

(TDe)

-

Remove

screw

- Turn the crankshaft counterclockwise until holes of the camshafts are flush

above sealing area .

Table of Contents

Other manuals for KTM 450 SX-F EU

Owner's Manual107 pages

Questions and Answers:

N
Norma KingAug 16, 2025
What to do if my KTM 450 SX-F EU Motorcycle engine turns but does not start?
- J
  Jessica MccoyAug 17, 2025
  If your KTM Motorcycle engine turns over but fails to start, several factors could be at play. First, check the fuel hose connection to ensure it's properly joined. Next, inspect the spark plug; if it's oily or wet, clean and dry it, or replace it if needed. Lastly, verify the spark plug's electrode distance, adjusting it to the recommended gap of 0.9 mm (0.035 in) if it's too wide.
J
Jamie WilsonAug 19, 2025
Why KTM 450 SX-F EU engine does not turn when the starter button is pressed?
- H
  Heather WolfeAug 19, 2025
  If your KTM Motorcycle engine doesn't turn when you press the starter, there are a couple of potential causes. It could be due to a discharged battery, in which case you should charge the battery. Alternatively, the main fuse might be blown, requiring you to change the main fuse.
N
Nathan MartinAug 22, 2025
How to troubleshoot KTM 450 SX-F EU engine that does not speed up?
- J
  Jennifer GarciaAug 22, 2025
  If your KTM Motorcycle engine does not speed up, the issue may stem from a defect within the fuel injection system. To diagnose this, it's necessary to read out the fault memory using the KTM diagnostics tool.

KTM 450 SX-F EU Specifications

General

Engine Type	Single-cylinder, 4-stroke
Displacement	449.9 cc
Bore x Stroke	95 mm x 63.4 mm
Power	63 hp
Transmission	5-speed
Seat Height	950 mm
Starting System	Electric starter
Rear Suspension	WP XACT Monoshock
Front Brake	260 mm disc
Rear Brake	220 mm disc
Fuel System	Electronic Fuel Injection
Cooling System	Liquid-cooled
Front Suspension	WP XACT 48

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