93 XR 600 Jetting in So Cal

2 replies to this topic
  • Jon-D

Posted March 07, 2006 - 07:41 PM


I recently purchased a 93 XR 600 and was wondering what you all were running for jetting? I have not ridden the bike and am currently going through it so I thought I might change the jetting (if necessary) since I have it all apart. Right now there is a 155 main and a 62 pilot in the bike. I am not sure of the needle setting and wanted to also know how to remove the needle from the slide, or better yet, how to remove the slide from the carb.

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  • cleonard

Posted March 07, 2006 - 08:13 PM


Take off the cover at the top of the carb to get the slide out. Stock is middle position. The jets depend on how your bike is setup. I think that even with the stock exhaust a fatter pilot helps. I have one of those turned down inserts in the stock pipe and I have removed the backfire screen. I'm not sure that I remember what I have, but I think I have a 68 pilot and 158 or the next size larger main. I also set the needle clip to one richer than stock. My bike, also a 93 XR600, is running a tad rich now and I plan on putting the needle back in the stock slot. I'd say my bike is optimally set for about seal level. I really notice it being too rich at about 8000 feet. I almost always ride between 2500 and 8000 feet.

  • Jon-D

Posted March 08, 2006 - 08:45 PM



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