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Any idea what these slots are for?

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Any idea what these slots are for?

Postby kevspeed » Sun Jun 05, 2022 8:57 am

PHBH 30 Dellorto......Any idea what these slots are for?
ImageIMG_20210707_162622 by Kevin Payne, on Flickr
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Re: Any idea what these slots are for?

Postby ULC Soulagent » Sun Jun 05, 2022 5:25 pm

Normally air idle circuit
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Re: Any idea what these slots are for?

Postby kevspeed » Sun Jun 19, 2022 9:56 am

ULC Soulagent wrote:Normally air idle circuit

Im looking to swop all the parts from my existing 30 Dellorto into this one but my existing one doesnt have the slots and holes in it. Do you think i will have to re jet ?
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Re: Any idea what these slots are for?

Postby ULC Soulagent » Sun Jun 19, 2022 3:43 pm

Personally I’ve never seen a Dellorto phbh with those slots at the back which makes me wonder if it’s actually a 2-stroke variant and could be a 4-stroke variant converted. My advice would be not to bother as carbs are a fickle thing. :|
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Re: Any idea what these slots are for?

Postby martyn dwane » Mon Jun 20, 2022 11:24 am

email eurocarb parts,im sure they will tell you what it`s off / for.
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