Morning all,
Anyone know where I could obtain a few spare carb main
jets from?
Looks like the only stuff available off Ebay are dubious Chinese
sets..
If anyone has anything for sale would be also ideal.
Cheers.

The main jets are the same as what's used in many carbs so they are readily avaliable. You should be able to get original Keihin or quality aftermarket ones. Below is a link where you can purchase any size you could ever need. Once you see part number you might find another vendor in Iyaly, but these folks do ship anyplace.

https://www.jetsrus.com/a_jets_by_carburetor_type/jets_keihin_99101-393_main_round_28-xxx.htm

You should be able to order direct from a Honda dealer in Italy. The part number follows this pattern: 99101-383-xxx0 where xxx is the jet size. E.g. 99101-393-1280 is a (standard) MC21 128 main jet.

Sizes follow this pattern: 125 - 128 - 130 - 132 - 135 - 138 - 140 - 142 etc. etc.

The only difference is when you get up into the 200s, which you never will!

I would NEVER advocate using Chinese/unknown brand jets, and have even seen "unusual" results using DynoJet mains, as they are not the same shape internally as Keihin.

CMSNL so far have shown any random number I plug in as available.

Info also stated in the opening section of the carb tuning page on the Main Site.
_________________
Andy.
NSR-WORLD.COM

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Thanks for the info guys.