Replacement Jets Made in Japan

I'm not as particular as some about aftermarket brass and I've also used Jetsrus when playing around with jetting on old Keihin carburetors. It's nice to know that Randakk's provides another outlet. I believe those jets are replica Keihin jets based on the use of the word "type" in the description. The Keihin K mark will tell you if a jet is genuine.

The cross-drilling on some aftermarket pilot jets is undeniably smaller than that of the original Keihin jets, but for me that doesn't automatically imply that the jets are defective in any way. I would want to see further evidence before making a judgement.

I subscribe to the keep your old brass adage, but am more than willing to work with aftermarket jets. I used kits from 4-into-1 on my CB350 mainly out of curiosity and they have worked just fine. The original brass is safely stored away should I need it.
 
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