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Post by sToRm on Sept 15, 2019 13:40:22 GMT -5
If anyone is running a 28mm OKO carb on a 150 GY6, what size jets are you using?
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Post by lilpinny on Sept 15, 2019 16:08:34 GMT -5
Yes, I am. It was a 150 now a 170 but I always used the same OKO 28mm PWK.
My main is a 115. I need to find my notes in the pilot, it’s been so long since I looked at it. I’ll post again when I’m out in the garage.
The 115 was the one that hit the magic spot using the AFR even though it seemed small.
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Post by lilpinny on Sept 15, 2019 16:09:52 GMT -5
But I should also add that I use a JJK needle, not the stock OKO needle, which is more of a JJH, but not exactly . The stock needle is its own size.
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Post by lilpinny on Sept 16, 2019 12:23:13 GMT -5
There is a good cheat sheet on the TRS page for this carb:
"SPECIAL BLACK EDITION This is the carb everyone is using on GY6 swaps on their ruckus. Great for your 170cc-200cc GY6 motor. Suggested settings: Run air screw all the way in then back out 1/2 turn. Pull Needle E clip and set on the lowest setting on the needle. May need to adjust needle height. Recommend 32 Idle jet and 115 or 120 main. Select either 28mm or 30mm
BE SURE YOU GET THE JETS Usually 32 or 35 Idle and 115 or 120 main."
I use a 115 and I think a 32 pilot jet. I use a JJK needle in the middle position and put the stock needle in the spare parts drawer. I also run it a few clicks more open than 1/2 turn... but I carry a little screwdriver with me and adjust it, a click in or a couple of clicks out, when I'm riding. I dialed it in at 12.6 with an AFR just a couple of clicks out past 1/2.
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Post by sToRm on Sept 18, 2019 18:48:22 GMT -5
Thanks for the info, much appreciated.
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Post by lilpinny on Sept 19, 2019 19:03:42 GMT -5
The jjk needle suggestion came from drowsports
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