xr650r carb slide drilling?

2 replies to this topic
  • augustiron

Posted March 30, 2005 - 07:38 AM


I've been poking around looking at all the mods to do to the carbs and uncorking of the xr650 and I noticed that someone recommended drilling the slide holes on the xr650L carb to 5/32 when uncorking but I haven't seen this mentioned for the 650R. (http://4strokes.com/...xr650lcarbmods/)
all the other mods seem about the same.
Has anyone tried this? and no I haven't measured the holes on my 650r yet, I was just wondering.

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  • big t

Posted March 30, 2005 - 07:42 AM


The carbs are different. I have never heard of anybody drilling them in the 650r carb. As far as I know there is no need to drill it.

  • truck6driver

Posted March 30, 2005 - 07:43 AM


The "L" uses a carb that relies on ehgine vaccum to open a slide in the front of the carb before the throttle butterflies. By opening up the holes the slide moves up faster. I do not think the "R" has this type of carb.

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