SOHC.co.uk Forums > CB750

Cb 750k2 Carb needles

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Skoti:
If they've done more than 15k then they are probably worn out.

I've done 55k on my CB750F1 and I'm on my 3rd set of needle jet kits.

Most folk ignore them but when you renew them the difference in starting, performance and fuel consumption is very noticeable.

Apparently some after market replacements have incorrect needle profiles and cause a flat spot when accelerating, I use only genuine Honda ones.
 

Good luck

Skoti



Oh, BTW.

an easy way to tell if they're worn out is, if the needle (with the clip removed) can pass all the way through the needle jet unhindered then they're buggered.

You can't do that with new ones.
 

Pauarc:
After cleaning needles and jets it looks like the jets are worn looks like they need replacing no 1 is worn the worst

Pauarc:
New needles and jet run better and tic over smoother about 1000 rev and sync much better all around 21hg

Martin6:
I'm thinking of doing the same, before too long. Where did you get the new needles / jets from?

Skoti:
Look up the part number on CMSNL and then order and pick them up from your local Honda dealer.

Or online from DS or Fowlers of Bristol.

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