You don’t find a lot of SNL clips on youtube because Hulu owns all the rights and forces youtube to take them down.
For a lot of clips, you have to search dailymotion for pirate versions:
http://www.dailymotion.com/video/xbbou1_jim-belushi-as-a-welding-dancer_shortfilms
Thank you.
I was certain that the clip was with John Belushi... but that was a long time ago.