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Discussion Starter #1
Hello,

I'm running a PWK33 on a stock YX160.
Can someone give me a basic jetsetup for this engine and carb?

I know it's very hard to get these carbs tuned, but my problem is that under 3k RPM (say 1/4 throttle) the engine sputters a lot. When i give full throttle and get above 3k rpm, everytving is fine.

Im running 35 pilot, 124 main, needle is stock Keihin, slide unknown but it is original. Slot on needle is middle (3). Mix screw is 2 turns out

Plug is black (rich?)

Should i go lower on pilot? Or higher?
I think 124 main is good?

Thanks a lot

 

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Discussion Starter #3 (Edited)
Yeah, i know but theoretically it should work. Its just the low end that sputters, but i've tried to use bigger and smaller jets and with 35 and 124 it still sputters but he picks up after 1/4 throttle. Maybe 124 is to big?
 
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