Where is the drain plug on a ktm 450 sx-f there is a bolt almost on the bottom of the case and one with an allen head close by. i undid the allen head but it had a spring and a ball inside new to me? my first ktm

Drain oil. Use degreaser to clean area. Use JB Weld & allow to set up properly before adding oil.

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Check for any gaps around the head and block possible blown head gasket or hate to say cracked head

Thank you for contacting FixYa with your inquiry.
Check out page 11 of the KTM owners manual from this link.
http://dl.owneriq.net/0/023acca0-f8aa-4324-8970-4f4dc4ccad41.pdf
The plug may be hiding behind the brake lever. Also check page 30 of manual on same like for info on the site glass and a good illustration of the Drain Plug.
Oil Recommendation: Remove the filler plug 4 and add 0.30 l gear oil 20W30 (e.g. Motorex Top Speed 4T 15W50). Mount the filler plug and check the engine for leaks.
Hope this helps. Please advise if we can be of more service.
Kind regards,
TF

Thank you for contacting FixYa with your inquiry. I have been going
over some of the older help requests that have been archieved and
trying to provide solutions for those that didn't get answered. Hope
this information helps.

KTM Torque settings

1. Collar screw, front wheel spindle Front axle nut 40Nm 30ft lbs
2. Brake Caliper front Brake Caliper front Loctite 243 2 19ft lbs
3. Brake Disk, front Brake disk front Loctite 243 1 11ft lbs
4. Brake Disk, rear Brake disk rear Loctite 243 1 11ft lbs
5. Clamping screws, upper fork bridge Top triple clamp 20Nm 15ft lbs
6. Clamping screws, lower fork bridge Bottom triple clamp 15Nm 11ft lbs
7. Clamping screws, fork stubs Front axle pinch bolts 10Nm 7ft lbs
8. Collar nut, rear wheel spindle Rear axle nut 80Nm 59ft lbs
9. Hex nut swingarm bolt Swingarm nut 100Nm 74ft lbs
10. Hex collar screw handlebar clamp Upper handlebar clamps 20Nm 15ft lbs
11. Allen head screw handlebar support Lower handlebar clamps Loctite 243 4 30ft lbs
12. Shock absorber top Shock absorber top bolt 60Nm 44ft lbs
13. Shock absorber bottom Shock absorber bottom bolt 60Nm 44ft lbs
14. Sprocket screws Rear sprocket bolts Loctite 243 3 25ft lbs
15. Ball joint for push rod Rear brake pedal pivot Loctite 243 1 7ft lbs
16. Engine mounting bolts Engine mounting bolts 45Nm 33ft lbs
17. Engine brace Engine brace 33Nm 24ft lbs
18. Screw adjusting ring spring preload Shock preload collar bolt 8Nm 6ft lbs
19. Spoke nipple Spokes 5Nm 4ft lbs
20. Other Screws on chassis M6 10Nm 7ft lbs
21. M8 25Nm 19ft lbs
22. M10 45Nm 33ft lbs
23. Other collar nuts on chassis M6 15Nm 11ft lbs
24. M8 30Nm 22ft lbs
25. M10 50Nm 37ft lbs
26. Front Sprocket 44ft lbs

TF

Thank you for contacting FixYa with your inquiry.
This is a relatively simple process. You should be able to lay the bike over and disassemble the side case cover that's leaking and replace the gasket. You may have some minor interference with the radiator shroud.
http://cyclehuttktm.com/FicheFinderNew/FicheFinder.aspx
If we can be of further service please advise.
Best wishes,
TF

I have looked but am at a loss to find it also.
If you drain the oil, refil it with the same amount and then check the levels adding as required.
Hope this helps.

not sure bout the 4 strokes but my 250sx has got a level plug around the water pump. have a look there

Yes, it IS possible to put electric start on a 2006 KTM 450 SX, but, it's about $800 to get it and get it all set up...

i wouldnt recommend using 03 valves though thay may work ok initially. each year there are slight changes made to the valve sistems on the ktms this is especially true. if you do use them initially it may be ok but could lead to huge damage to the case