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Rev3 Carb.

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Dellorto VHST 26 BD fits stright in and is an excellent carb. More power, no dribbling, no pinging, instant throttle response and a soft throttle spring. Beta use it on the 125

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anyone tried the dellorto vhst 26 db carb, and where its available in the uk?

  • Author

Mmmmm....now this is getting interesting...thanks for some great info Mike and Carl....it certainly sounds like the Dellorto would be interesting since the bits are all on the correct side.

I wonder if Keihin DO make one with the adjustments on the right????..anyone know?

keep the ideas coming in guys and girls :D

VHST 26BD R9354 basic jetting for Beta 250/270

main jet: 120

idle jet: S37

needle jet: 272H

needle: D47

throttle cut away: 50

choke jet: 60 ( I feel that this may be a little bit lean)

needle in 4th position from top

idle mixture screw: 2-3 turns. Please note that this screw has reverse operation from the mikuni.

It

It looks like a french version of the kdmototrials mikuni fix that i posted in the float bowl leaking post.

  • Author

Lets just try to stick to the alternative carb chat on this post guys!!...there have been so many posts over the years regarding the "other" topic/issue.

THat Dellorto is sounding more and more interesting Carl..........I see the one in the picture is an R9359, and you give your jetting info for an R9354.........is there any difference?

  • Author

mmmm...cheers Howard..and there was me thinking there weren't any alternatives for the Beta.

Sounds like the Dellorto and the PWK would be worth a try..(when i've got some spare dosh!)..think I'll give the Keihin a miss though, with all the adjustments being on the wrong side. :D

  • Author

DOH!!!!!!!!!!!!!.......stupid me.,..the PWK IS a Keihin...still looks like that one on topfun has the adjustments on the wrong side though...well the choke at least??

THat Dellorto is sounding more and more interesting Carl..........I see the one in the picture is an  R9359, and you give your jetting info for an R9354.........is there any difference?

R9354 is the number if you buy a std carb from a Dellorto dealer. I guess that R9359 is a specific Beta jetting for Beta Motors which should be very similar to mine.

Carl

  • Author

Thanks Carl...

I reckon I might finally take the plunge.....sell the baby and wife, and go buy that Dellorto....lifes too short not to try new things eh!.....thanks for the info :D

Dellorto UK:

Eurocarb ltd

256 Kentwood Hill

Tilehurst

Reading

RG31 6DR

United Kingdom

Telephone: +44 (0) 118 943 1180

Facsimile: +44 (0) 118 943 1190

E-mail: sales@dellorto.co.uk

http://www.dellorto.co.uk

Can't find the VHST model on the web site though :blink:

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