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Originally Posted by OneLeggedRider
Very impressive Dan and thorough as always. Would this be a Keihin clone? And can you elaborate on the different pilot jet styles? And would this affect your needle clip setting? And lastly can we know what size jets you're running with your modded head? Enquiring minds want to know lol.
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Yes, this is technically a Keihin clone. There are some goofy exceptions since these are made in China though. Mine is a GREAT example of that. The carb says Mikuni on the body, but uses the Keihin PZ30 bowl. It runs Mikuni main jets, and a Hawk style pilot jet. (Confused yet?)
Most of them tend to run Keihin jets. Like this one:
https://www.aliexpress.com/item/KEIH...9-fe9737708a69
Main jet 99101-393
Pilot jet N424-21
While I am normally an advocate for genuine jets, this kit would be a great way to get dialed in if you have one using those jets.
https://www.amazon.com/QUIOSS-Carbur...VHS2P6X5MFC282
As far as adjusting the jetting, that depends. As a whole, I would say there is no real changes in jetting needed if you were to go from a stock carb to this one. The one exception to this would be if you are running one or more jet very rich already. In that instance, backing it off a hair and leaning it out would be a good idea to prevent potential bogging.
As far as my jetting. I am running a Mikuni N100.604 125 main jet. Needle in the middle(3rd) notch, and a "45" sized Hawk style pilot jet.