New stock injectors will likely be an improvement. The original ones are nearly 40 years old. My car ran great after a rebuild a new injectors, but I’ve never seen a rock steady AFR either. It flickers a bit. But a stumble is not typical. You might want to check for loose or cracked injector blocks. That’s also common.
Ive also noticed if I cruise in the 14+ range I get just too much popping on decel. With the 10% piss gas, true lambda is more like 14 or so rather than 14.7 for ethanol free gasoline of old.
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Ken
1986 930 2016 R1200RS
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