SOHC.co.uk Forums > CB750

CR carbs

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bladeboy:
Hi, I'm thinking of fitting a set of 29mm CR carbs to my 78 cb750, 
Can anyone advise me if it's a good idea or not... Cheers

Bryanj:
Not for normal road riding no

Greebo:

--- Quote from: bladeboy on January 13, 2016, 07:39:19 PM ---Hi, I'm thinking of fitting a set of 29mm CR carbs to my 78 cb750, 
Can anyone advise me if it's a good idea or not... Cheers

--- End quote ---

I look into this a couple of years ago before building my CB 750 K6 café racer, so I agree with Bryanj stick with the stock carbs especially if its a standard engine [not tuned]
CR carbs can even cause unreliability for race tuned engines, they are also difficult to ajust in situe.
I finished up putting K&N filters on mine [stock motor] along with re-jetting which took a bit of sorting, but it goes like stink now.... ;D

bladeboy:
So stick with standard carbs but re jet them .... I was going to put a yoshi cam in her bad idea or not??? Such a grey area thanks for yr input guys.

Bryanj:
Yoshi cam on its own don't work, you need to make ignition timing mods and jetting mods plus gearing mods as the power is all at the top of the rev range

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