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Post by Saber on May 29, 2014 4:38:22 GMT -6
So besides the obvious what is the difference between these two jets. They are both marked size 38 they both were stock jets that came in 2 different carbs for a Jonway 54B 250cc Honda Clone. The threads are the same and the side with the orifices are the same length. The only thing that is different is how low they sit in the bowl. Just curious if any one else has run into this purchasing jets or carbs??? Attachments:
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Post by Saber on Jun 5, 2014 3:42:44 GMT -6
Anyone???
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Post by richardthescooter3 on Jun 5, 2014 5:47:54 GMT -6
Saber, Even though they look similar, they may not perform the same because of the positioning of the holes,(being lower in carb) could effect your air/fuel mixture and performance of your scooter. (IMHO)  |
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Post by Saber on Jun 19, 2014 9:35:38 GMT -6
after looking and looking I finally found my answer,
The longer of the two is a Keihin 21 series jet. The shorter is a 26 series. I found on many motor cycle forums that they are considered interchangeable by most users/riders.
After looking at a few more carbs that I had on the shelf and on friends bikes, It appears that the stock carbs that came with the bikes all had a 26 series slow/pilot jet installed in them and that you may run into an aftermarket carb coming with a 21 series.
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