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Will these fit

BillinSC

CB750 Member
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I'm looking for a set of OEM (or similar high quality) #120 main jets. Stock for my 1973 CB750 is #110 but I'm running 4 into 1 exhaust without baffle and stock air box.

If I search Partzilla for earlier models (ex. 1971 with K1-K2 carbs that had #120 main jets) they have them available. Only question is will they physically fit my K3? I assume they will but wanted to see if anyone has direct experience to confirm.

Also, if you know a good source for quality components like these that maybe aren't OEM but known hight quality suppliers/vendors please let me know.

Thanks!
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