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Needle size
https://ausmini.com/forums/viewtopic.php?f=2&t=94843
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Author:  Gezo [ Sat Feb 11, 2017 9:41 am ]
Post subject:  Needle size

What needles should I be using for twin 1/1/2 carbs on a 1275 motor with 266 cam and mild head work?

Author:  drmini in aust [ Sat Feb 11, 2017 9:49 am ]
Post subject:  Re: Needle size

CP4 or no 6.

Author:  simon k [ Sat Feb 11, 2017 12:23 pm ]
Post subject:  Re: Needle size

ditto #6, mine didn't like CP4

Author:  Gezo [ Sat Feb 11, 2017 3:34 pm ]
Post subject:  Re: Needle size

Thanks guys. I' ll see what mine are and swap them out to CP 4 if there not.

Author:  carbon [ Sun Feb 12, 2017 1:15 am ]
Post subject:  Re: Needle size

Also worth checking what dashpot springs you have fitted, blue will likely work best with this spec.

If you try red springs be aware that recent replacements can be much stronger than originals.

Author:  Gezo [ Sat Feb 18, 2017 11:45 am ]
Post subject:  Re: Needle size

Where do you buy the CP6 needle?

Author:  drmini in aust [ Sat Feb 18, 2017 11:51 am ]
Post subject:  Re: Needle size

Gezo wrote:
Where do you buy the CP6 needle?

It is not a CP6, it is a `6'.
:wink:
Can buy from SU Midel in Sydney.

Author:  Gezo [ Sat Feb 18, 2017 12:02 pm ]
Post subject:  Re: Needle size

Thanks . Has anyone heard of a OP4 needle?

Author:  outbackmini [ Sat Feb 18, 2017 4:11 pm ]
Post subject:  Re: Needle size

My 850 is nearly finished but has no power...I bought a new 1.25 twin right handed by mistake - so bought the left never intending to use them together but hey, what a waste???

so, I think it MAY be mismatched needles as I suppose the left is sold intending to be used solo but the right would normally be jetted for twins...unless you buy them as a pair.

If that is the problem then new jets may help.

Can anyone suggest needles for a bog standard 37000 mile 850 with twin 1.25s?

Dashpot springs?

Where can I buy them? Minisport don't seem to sell needles.

Author:  goodie [ Sat Feb 18, 2017 6:09 pm ]
Post subject:  Re: Needle size

outbackmini wrote:
My 850 is nearly finished
Can anyone suggest needles for a bog standard 37000 mile 850 with twin 1.25s? Dashpot springs?

Where can I buy them? Minisport don't seem to sell needles.



Try here , http://www.sumidel.com/contact_us.html

Author:  drmini in aust [ Sat Feb 18, 2017 6:29 pm ]
Post subject:  Re: Needle size

Gezo wrote:
Thanks . Has anyone heard of a OP4 needle?

Can't see any OP listed on mintylamb, most likely its a CP4.

Author:  Gezo [ Sat Feb 18, 2017 7:18 pm ]
Post subject:  Re: Needle size

Definitely stamped 0P4 , I reckon it is a CP4, as well Going to try some 6 needles ad it has a small flat spot down low.

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