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Morning members, I have a 1971 CB 750. The engine that came with the bike, has the ID numbers missing by the starter cover. My question is, is there any other way to tell? It is a stocker internally but was hoping someone might know? Cheers🍻

Has anyone ran the combination of a stock 71 cb750 with Keihin CR29 carbs, and Dynatek ignition? If so, what did you gap your spark plugs to for best results with the Dynatek ignition?:rolleyes::rolleyes:

Where might I buy just a MLS headgasket for my 71 CB 750 old style?

:banghead: I have a 71 cb750 K1 The compression is 150 right across Out of the box Keihin 29mm roundside carbs, Dynatek ignition.new plugs and can not get this bike to run right. These carbs look like they have 4 supply spots, should a person T off on the two fuel line coming out of the tanks...

I have a question for all of you about my 71 cb750 I installed a dynatek DS1-2 ignition, I’m running my new stock coil packs, what should my spark plug gap be? Thx everyone

Does anyone know if the two coils on my 71 cb 750 can be rebuilt? When I say that, I mean can the coil wires be replaced? Im aware the boot end comes off, but does the other end of the lead twist off the coil? Regards......

I’m hoping with some experience, that some one can lead me in the right direction. I’ve got a 71 CB 750 K1 with new Keihin carbs and new Dynatek Ignition. My question is do I have to change my spark plugs to a larger gap being high energy ignition? When I’m riding it, the top end is scary good...

Anyone know a Keihin dealer I can find some carbs for my 71 cb 750 Been looking myself with not much success.:banghead: Cheers!

Looking to put some new aftermarket carbs on my 71 CB750 K1 Any suggestions Would be appreciated

Hello everyone, I need a little help with my 71 CB750 K1 I pulled the carbs off and rebuilt them. My embarrassing question is.. you have the cross over rubber tubing from carb 1-2 and one from 3-4 now that leaves the two in the middle. Is that just a bent piece of tubing? Your help would much...