SOHC.co.uk Forums > CB750

Needle jets

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K2-K6:
It seems like more of a "varnish" that is left after they dry out, I suppose paint is also made from petrochemicals traditionally so it may be worth trying one with paint stripper to see what happens.

Waggles:
Hi All,

Steve, yes thats more like mine but mine are a bit worse  :( thanks for the thinners tip, will try that.

Re the needle jets, I seem to have mis led a bit ( my fingers and fried brain never work at the same speed  ;D ) the needle jets are NOT blocked, the only reason I am talking of replacing them is coz I am going to use a set of carbs from e-bay hence no idea what model 750 they are from so I need to re jet ( am using these carbs for two reasons, 1. The state of the originals probably means there are some other tiny drillings that are bunged up and 2. I broke one of the float spindle supports  >:( know I could repair it but bearing in mind 1. decided not to bother )

So I have new jets ( main and slow are simple obviously ) will swap the slides in case the cutaway differs, that just leaves the needle jets ..... can use the original needles as they are fine but I have no way of knowing if the actual jet differs between models hence why I am considering replacement. Guess it doesn't matter if I distort the originals getting them out as I have replacements, bit concerned I might distort them fitting them though ....... perhaps I should just use F1 needles and suck it and see?

SteveD CB500K0:

--- Quote from: Waggles on June 22, 2011, 02:06:11 PM ---..... perhaps I should just use F1 needles and suck it and see?

--- End quote ---

I wouldn't recommend that - petrol tastes aweful!

Waggles:
So does the dried crud, don't ask me how I know  ;)

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