Quote:
Originally Posted by Motorman_55792
Those numbers sound like maybe a RB modded carb. My 2007 ec250 with an RB mod carb has 175 main, 40 pilot with the air screw 2.25 turns out (so could run a 38 pilot), CEK needle at #2, and #7 slide. Similar elevation and temp to you.
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Okay, i live in Europe so I dont think its RB modded. Good thing the numbers doesnt look way off. CEK #3 is similar to CCK #1 right?
Pulled the plug and it was black. better a bit rich then too lean i guess, im sticking with this jetting for now