Motovalet Posted February 28, 2024 Posted February 28, 2024 Does anybody know why my carbs would be stamped with what appears to be “PBS” and why they would have what appear to be ridiculously small jets at 112 carb number 1 and 4 and 110 for 2 and 3? Quote
davecara Posted March 1, 2024 Posted March 1, 2024 PBS is probably whoever jetted them, and its common to see different jets on 1 and 4 as those carb bodies tend to be cooler than 2/3 so will fuel slightly differently 1 Quote
Motovalet Posted September 8, 2024 Author Posted September 8, 2024 They’re long gone now, I sold them on! Quote
manden Posted September 8, 2024 Posted September 8, 2024 Ok. Got some that was of a track bike. They had a really rich pilot and lean mains to get the top end power Quote
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