TZR Forum

TZR Specific => TZR125's => Topic started by: stirlinggaz on July 31, 2020, 10:53:02 PM

Title: VHSA 32mm carb settings
Post by: stirlinggaz on July 31, 2020, 10:53:02 PM
Hi all,
Apologies if posting in wrong section but had a look around & couldn't find the info I require.
I have a Dellorto VHSA32 with a  3BN rubber link pipe/YEIS bottle & proper manifold.
It's going on my TDR 125 project (4FU top end)
What I need is the stock setting/jet sizes to give me a starting point.
Can anyone help?
I beleive these carbs were fitted to 4DL versions/Belgrada bikes.
Any help gratefully received.
cheers,
GAZ
Title: Re: VHSA 32mm carb settings
Post by: no smoke no poke on August 01, 2020, 01:17:05 AM
https://www.dellorto.co.uk
manufactures web site  i love dellorto carbs
https://www.dellorto.co.uk/shop/dellorto-motorcycle-carburettors-parts/carburettor-parts/vhsa-vhsb-vhsc-parts/fl-type-atomiser-size-262/
have that jet in mine 4dl runs like a dream goes like stink
Title: Re: VHSA 32mm carb settings
Post by: stirlinggaz on August 01, 2020, 03:10:24 AM
Hi & thanks for reply.
But what about rest of jets?
I'd like to know stock settings to give me a starting point.
I much prefer the dellorto over the standard mikuni 28mm flat slide.
More power is also a bonus.

.cheers,
GAZ
Title: Re: VHSA 32mm carb settings
Post by: Need4speed on August 01, 2020, 08:15:31 AM
Why not try here  ;)

Title: Re: VHSA 32mm carb settings
Post by: no smoke no poke on August 01, 2020, 05:05:04 PM
that site i gave there is dellorto main dealers have ever part listed for our carbs all u should need will be on the vhsa 32 page
Title: Re: VHSA 32mm carb settings
Post by: stirlinggaz on August 01, 2020, 06:28:27 PM
Hi,
I have dealt with dellorto uk many times over the years for bits & pieces.
It's actually the details of what was fitted to these carbs when new when they were standard on certain models like the belgarda models etc.
That's the info I need. Along with a list of models the carb was fitted to.
Hope that makes it a bit clearer as to what I'm looking for.

cheers,
GAZ
Title: Re: VHSA 32mm carb settings
Post by: Chris_ on August 01, 2020, 07:19:15 PM
Hi GAZ, hi folks,

have a look at the german TZR-Forum in the link below. For a couple of time, i have listed there the different jettings for the TZR 125 DL-Models with it´s VHSA 32 GS.

The jetting advice for the DL1 R + DL3 RR was coined from the official Belgarda SerciveManual. But i think that the carbing for the SP-model is not correct ...maybe someone of yours know the right SP-Jettings ?

http://forum.tzr-scene.info/index.php?showtopic=11075

Maybe it will help you, if not....feel free to ask

Cheers

Chris
Title: Re: VHSA 32mm carb settings
Post by: stirlinggaz on August 04, 2020, 05:47:11 AM
Hi,
Thanks Chris!
I had forgotten all about that forum!
I referred to it a couple of times years ago & theres still a wealth of relevant information, especially for data geeks like me who want as much stats as possible for "whenever" (you never know when you'll need them)
& there's not that  many people around with experience of  using the vhsa32 with the dtr/tzr/tdr 125 engine who remember how much of a pain it is to set up (or thought to take notes  :-[  )
It's even worth the hassle of using Google translate when your grasp of German is virtually non existent  O:-)
Thanks again  (-P)
GAZ
Title: Re: VHSA 32mm carb settings
Post by: autoStinger on December 01, 2020, 02:51:17 AM
a little late but just for refrence the standard settings for the TZR 125 4dl 32mm vhsa gs
 i translated from the 4gm manual available in resources. i dont know what boisseau means though ?

gicleur principal     - main jet         140 (F) - 148 (J)
diffuser                  -  Diffuser          FL262           
aguil                        - needle            U21/4
giculeur de  ralenti  - idle jet           38
air screw 2.1/2 turns out             
boisseau  ???    slide  seat                60
giculeur de starter   - choke jet       60
Niveau d essence    -   fuel level      6mm
hauteur flotteur     -    float height  13.5mm
regime de ralenti     -  idle speed     1200 - 1300 tr/mn