CV??

xbacksideslider · Mar 23, 2012

Nice work Bwolfie.

CV carbs are a solution to a problem that we don't necessarily have.

Diablouph · Mar 23, 2012

CV??

by prmurat » Thu Mar 22, 2012 6:50 pm

I really have problem to pull my 2 Amals with my screwed arm so I am thinking of a CV single carb ( I have a few Mikuni adapters ). What is the general opinion of this eBay :
150528241224
170797427535

Thanks
Philippe

It seems you have two problems, Philippe. First you have a problem with your arm which makes it difficult to work on your Amals, and second, you would like light throttle pull. I would assume that you would not like to give up superior performance for the sake of ease of use. PWK's might be a good choice, if they could be coupled with duel throttle cables.

Maybe a worth a call to JS Sports.

http://jsmotorsport.com/technical_Carbs.asp

Just a thought. Best of luck, keep riding. I'll be looking for you on the roads in the Bay Area.

pete.v · Mar 23, 2012

This is hooked up to JS's carb but it didn't make it lighter. There is more resistance in the 1 to 2 splitter and the way they have to "Y" out.

The straight shot from the dual throttle almost eliminate any potential drag associated with the splitters. I may opt for a lighter spring now.

I have a big fat grip on it that came with the throttle which helps, but frankly I don't have a problem with the slide snapping back anymore.

Diablouph · Mar 23, 2012

How about a HOLLEY 750 DOUBLE PUMPER CARB, if Bwoulfie could make a manifold? No splitter!

bwolfie · Mar 23, 2012

I think the best option would be a drive by wire setup. Electric motors pulling the carb cables and a rheostat on the throttle controlling it. Almost no resistance felt at the handgrip. Then you could use any carb.

Diablouph · Mar 23, 2012

I think the best option would be a drive by wire setup. Electric motors pulling the carb cables and a rheostat on the throttle controlling it. Almost no resistance felt at the handgrip. Then you could use any carb.

Great, but a stepper motor for precise repeatability. Looks like Hobot's going to have some real competition now.

Hobot · Mar 23, 2012

If a single carb spring is too tough then a Commando may be too ancient a bike than you are safe to operate. The battery bikes are throttled w/o spring pressure. A couple of times my neck spine injury got me so bad on rides I had to let go of throttle going up hill, ugh. Anyway I'd try to adapt a cave man simple lever or even foot throttle if off the shelf stuff don't fit ya.

prmurat · Apr 9, 2012

I sold a couple of items on ebay and ended up with money burning an hole on my Paypal account... So I bought this:
http://www.ebay.com/itm/190642138902?ss ... 1439.l2649

I have a couple of Mikuni adapters for Commando so I will try this,as a single carb, soon!
Philippe

prmurat · Apr 18, 2012

Just received this carb, it is stock for 400 single Suzuki (DR/LTZ) and from what I remember from my DR400 time should be equipped with a stage 1 Dynojet... I will couple this with a Sudco manifold for 36mm (it is a 36mm too). Can't do anything right now: my Commando is, kind of, rejecting the Alton ES as it is made for chain and I have a belt...

Only one throttle cable and I should be able to install a choke cable!

Philippe

bad_friday · Apr 18, 2012

prmurat said:
I really have problem to pull my 2 Amals with my screwed arm so I am thinking of a CV single carb ( I have a few Mikuni adapters ). What is the general opinion of this eBay :
150528241224
170797427535

Thanks
Philippe

Why not stay with a single Amal 932?
I've done this and I'm really happy with this setup.

BTW what's a CV?

Fritz

swooshdave · Apr 18, 2012

bad_friday said:
prmurat said:

I really have problem to pull my 2 Amals with my screwed arm so I am thinking of a CV single carb ( I have a few Mikuni adapters ). What is the general opinion of this eBay :
150528241224
170797427535

Thanks
Philippe

Click to expand...

Why not stay with a single Amal 932?
I've done this and I'm really happy with this setup.

BTW what's a CV?

Fritz

CV = Constant Velocity

I think the best solution is to have Jim whip up a FI kit for you. Then the only thing you are activating is the butterfly, like a CV but way cooler!

grandpaul · Apr 19, 2012

I picked up a set of quad flat slide CVK 36mm, so I have two pairs, like this...

Jean fabricated some really cool manifolds for me (for one pair), now I just need to graft out about 1" of length off the velocity stacks.

I'm pretty sure the CVKs won't make a bike slow, if they can be tuned correctly for the application.

Otherwise, it's all in fun.

prmurat · Apr 19, 2012

Nice pairs!!! off a GSXR? What type of jets do you have?
I am looking at Dynojet kit 1 or 2 but cannot see the sizes on line.. stock its 130 /60 / 22.5 which is already too lean on the Suz...so I am afraid for the Commando (specially if I look at the VM36mm jets).
Philippe

grandpaul · Apr 20, 2012

I haven't got the foggiest clue on jetting. I've not yet had them on a running bike. The photo i posted is as far as my mock-up ever got.

jseng1 · Apr 21, 2012

It just happens that I am coming out with a single 34mm flatslide kit. It will be on my jsmotorsport web page in a few days. Price will be very reasonable. The photo below shows an earlier 32mm carb kit that I offered for a short time before the 34mm carbs became available. The photo will be updated when it goes on the web page.

I also have a 34mm flatslide twin carb kit for hot rodders.

swooshdave · Apr 21, 2012

prmurat said:
I really have problem to pull my 2 Amals with my screwed arm so I am thinking of a CV single carb ( I have a few Mikuni adapters ). What is the general opinion of this eBay :
150528241224
170797427535

Thanks
Philippe

Instead of looking at different carbs what you may want to explore is other methods to reduce the load on the stock carb cable. Two ways I can think of this would be a lever or cam mechanism. The throttle cable would lift or turn the lever or cam. I believe the Trident and Rocket 3 may have had an arraignment.

CV??

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