bandit 1200 running on 3 cylinders

[Hahadumball]

1999 b12 only runs on 1,2 and 4 and runs on 3 very sporadic seems better when hot but still shitty

carbs been cleaned rebuilt and all working good, the petrol fumes absolutely destroy your eyes and forcing it to run by giving it a fistful produces many flames.

tried swapping plug caps for other cylinders
tried swapping coil leads from others just to get it to fire at least
tried other used working plugs from other cylinders
sparks on all 4 are about the same however they arent a blinding purple like the vtr more a decent purple spark

still runs like utter shite.

vtr has been giving me enough headaches the past few months so bcf fix this for me!
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Fin: no matter how much I look at It I can't understand what was going through my head, all I remember is going about 80 and redlining it to stop it seizing.
360 Deg... Five 1/4 turns. :- Teflon-Mike 18 Jan 2015

[Hong Kong Phooey]

Compression readings equal across all cylinders?
How sure are you the mixture is set correctly on each carb, have you balanced them?

Have you nailed it down to a single cylinder?
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'81 CG125, '97 FZS600 : '99 CBR600F4, '09 KTM RC8