Finally I have posted my bronze bushing to needle bearing conversion. The thing was that the bushing needed to be replaced and the bearing fits exactly for $4.
Check it out:
http://www.mxbikes.com/bikes/ktm/restore1/repair3.php
Then I would like to thank Dough Wilford for kindly sending me a manual.
Have fun.
B Hahn
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http://www.ktm495.mxbikes.com
http://www.mxbikes.com