trialsrfun Posted December 31, 2019 Report Share Posted December 31, 2019 Does anyone please know if the numbers on both jets and slide fitted to Delorto and Mikuni mean the same and can be directly compared? Quote Link to comment Share on other sites More sharing options...
djr Posted December 31, 2019 Report Share Posted December 31, 2019 I could be wrong, but I don't think you can compare jet numbers, from one carb manufacturer to another . I know that Mikuni Hexagon head jets & slotted head jet numbers are not equivalent - one is flow rate I think ? , the other type some measurement of the physical size ? also with some jets the flow is measured in the direction fuel would flow in use, while other jets the measurement is done in the opposite direction you would be best to call a carb specialist 2 Quote Link to comment Share on other sites More sharing options...
lsv Posted December 31, 2019 Report Share Posted December 31, 2019 I think you will find that the number on the jet refers to its diameter in hundredths of a millimeter. eg. a number 38 is 0.38mm. This I believe is a standard that has been used since Adam was a lad. But, I stand to be corrected..................... 1 Quote Link to comment Share on other sites More sharing options...
feetupfun Posted January 1, 2020 Report Share Posted January 1, 2020 Slide number is usually the height of the cutaway in mm 1 Quote Link to comment Share on other sites More sharing options...
trialsrfun Posted January 1, 2020 Author Report Share Posted January 1, 2020 Ok thank you all Quote Link to comment Share on other sites More sharing options...
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