trickedcarbine Posted October 1, 2013 Report Share Posted October 1, 2013 Ok just trying to be sure it's possible. I was looking at my new PWK's ad noticed the way that the idle screw port is mirrored on the other side of the carb. I was thinking about modifying one so the idle screw is on the right side of the carb for easier access. Any one done it? I am pretty sure it should be ok as long as I plug the other side. Where can I get a bit that acts like a small end mill to create that flat surface in the new bore where the sping seats? Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted October 1, 2013 Author Report Share Posted October 1, 2013 I've seen those and in fact my buddy has one on his 450. I should see if the threads compare. Thanks for the idea. I get that for most riders the idle gets set once and that's it. But for guys like you and I that ride all winter as well, the up and down temps need to be compensated for a lot some times. Especially when the tepm goes up or down 10-20 degrees every time the weather changes in a day of ice racing. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted October 1, 2013 Report Share Posted October 1, 2013 Are we talking Idle speed adjustment or air screw adjustment? I can adjust my idle speed with my fingers. I use a pair of FAST's metal idle speed screws. I don't really like to mess with the idle speed to much because your really should re sync the carbs once you make an adjustment. This guy sells a finger adjustable air screw but it has to be purchased with his carb mod. His carb mod is a divider in the throat of the carb. That way a larger carb acts more like a smaller carb at part throttle. http://www.rb-designs.com/pwk-carb-acc.htm Quote Link to comment Share on other sites More sharing options...
Coupelx Posted October 1, 2013 Report Share Posted October 1, 2013 You would need to clamp it at the correct angle or use a mill. this way you can mill a flat spot like you talk about. probably center drill it and then drill it out slowly so the bit doesnt walk. Quote Link to comment Share on other sites More sharing options...
SAVAGE420 Posted October 1, 2013 Report Share Posted October 1, 2013 D.A.J FTW! Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted October 1, 2013 Author Report Share Posted October 1, 2013 You would need to clamp it at the correct angle or use a mill. this way you can mill a flat spot like you talk about. probably center drill it and then drill it out slowly so the bit doesnt walk.That's about how I saw it go in my head. Think its possible to use a small end mill in a drill press after pre drilling the bore for the seat? Just get it close then finish that last millimeter or so Quote Link to comment Share on other sites More sharing options...
Coupelx Posted October 2, 2013 Report Share Posted October 2, 2013 I think so. Speed is your friend. Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted October 2, 2013 Author Report Share Posted October 2, 2013 Yep high rpm and slow feed Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted October 4, 2013 Report Share Posted October 4, 2013 They def have end mil bits with pilot on end used to have a few b4 the hurricane came through here Quote Link to comment Share on other sites More sharing options...
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