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float setting on le mans 2

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Dukedesmo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dukedesmo Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2018 at 13:30
Originally posted by Keef Mayhem Keef Mayhem wrote:

Dukedesmo :
My understanding that a higher fuel level in the float bowl will richen the mixture up everywhere in the range, the reason for the different heights is to do with the different weight floats availlable, a heavier float will displace more fuel and therefore would need a bigger setting than a lighter float so to me its reasonable to think the 18mm setting is for 8.5 gram floats and the 23.5mm setting is for 10 grams
Its late, does that make any sense ?

Makes sense. I just set them as per the manual, I have no idea if they are 10g floats though...   Embarrassed
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2018 at 22:55
If memory serves, the weight is embossed on the float somewhere. (How else would I have known that one carb I'd got had a 10g float instead of 14 like the others.)

That's the VHB's tho, I'm assuming the PHF's are the same, can't see why not if the floats are the same.


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Barry View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Barry Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 2018 at 10:04
I happen to have a pair of VHB30 floats on hand. 10g is, indeed, embossed on them.

Edit:   And you can see the 14g embossed on these PHF floats in the Eurocarb sore:   https://www.dellorto.co.uk/shop/dellorto-motorcycle-carburettors-parts/dellorto-vintage-carburettors-and-parts/vhb-vhbz-vhbt-parts/e7450-2-float-assembly-original-dellorto-type-14-grams/

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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 2018 at 13:59
My VHB ones have gr12.5 on them and they weigh 13 grams.
So it seems there is quite a range.
 
Though these would have been heavier when fitted because both were full of petrol. New floats too, so fitted the old ones back in which I think were heavier.
Brian.

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