motorbike that uses a 1 into 2 throttle cable?

[buzzer]

can any of you guys think of a motorbike that uses a one into two throttle cable?

one where the twist grip has a single cable that goes to a junction box and comes out into two cables to go to individual carbs...

most of the modern stuff is twin cable... push and pull, but I can't use that on the bike I am building....

[rodericb]

Any two stroke with oil injection, although the cables coming out won't be the same length.....

[buzzer]

rodericb said:

Any two stroke with oil injection, although the cables coming out won't be the same length.....

to be honest I only really need the junction box as I will custom make the cables...

[Steve Bass]

buzzer said:

can any of you guys think of a motorbike that uses a one into two throttle cable?

one where the twist grip has a single cable that goes to a junction box and comes out into two cables to go to individual carbs...

most of the modern stuff is twin cable... push and pull, but I can't use that on the bike I am building....

Suzuki RGV or Aprilia RS 250

Single throttle grip to two carbs and the oil pump via a connector/cam box

[S2r]

Most old twin cylinder / carb stuff will have a 1 into 2... I seem to remember my KH250 have a 1 into 3 cable

[OldGermanHeaps]

yamaha ty 80 and 125 deffo, dt125, kwak kmx125

[catso]

My Ducati Monster does but it's not the standard setup. It has split-single carbs instead of the banked pair (which would use a single) however, the carbs were supplied with a 1 into 2 cable, made by 'Motion-pro' https://www.motionpro.com/ , actually it was a 2 into 4 as it had both opener and closer cables to each carb but I removed the closers to fit a different twist-grip.

Otherwise you can get a custom setup made, I've had custom cables made up by Cable-tec in Sutton-in-Ashfield https://www.cable-tec.co.uk/ and they did a great job.

I'm not sure what else uses such a setup? My old Guzzi has twin carbs but also has twin cables and I think a lot of old bikes were this way.

[shovelheadrob]

Try Speedy Cables, they can usually make exactly what you want to your pattern / drawing.

[buzzer]

catso said:

My Ducati Monster does but it's not the standard setup. It has split-single carbs instead of the banked pair (which would use a single) however, the carbs were supplied with a 1 into 2 cable, made by 'Motion-pro' https://www.motionpro.com/ , actually it was a 2 into 4 as it had both opener and closer cables to each carb but I removed the closers to fit a different twist-grip.

Otherwise you can get a custom setup made, I've had custom cables made up by Cable-tec in Sutton-in-Ashfield https://www.cable-tec.co.uk/ and they did a great job.

I'm not sure what else uses such a setup? My old Guzzi has twin carbs but also has twin cables and I think a lot of old bikes were this way.

Its actually for a Ducati... I am fitting some FCR's on a 1000ds engine... but the carbs are in a split configuration.... hence the 1 into two...

[V8RX7]

shovelheadrob said:

Try Speedy Cables

One of the very few Co. I would recommend - know their stuff, friendly an helpful

[iansp]

BMW R100 series bikes from the early 1980s did.

Try Motorworks or Wemoto

https://www.motorworks.co.uk/vlive/Shop/Parts.php?...

http://images.wemoto.com/full/CABLE_THROTTLE/10045...

Edited by iansp on Saturday 13th June 13:44

[rigga]

Rd 350 LC has this, also third cable from the junction box to the oil pump., oil pump cable longer length, but Carb cables obviously identical, splitter can usually be opened to remove the unwanted cable

Edited by rigga on Saturday 13th June 13:46

[tvrolet]

Surely you just need a ‘junction box’ from Amal and then add whatever cables you want either side?
http://amalcarb.co.uk/controls-cables/junction-box...

I just put on a 3-way as above to reinstall the chokes on the Hurricane.

And as has been suggested above Speedy Cables are good with cables and should be able to supply whatever lengths and ends fittings you want.

[buzzer]

tvrolet said:

Surely you just need a ‘junction box’ from Amal and then add whatever cables you want either side?
http://amalcarb.co.uk/controls-cables/junction-box...

I just put on a 3-way as above to reinstall the chokes on the Hurricane.

And as has been suggested above Speedy Cables are good with cables and should be able to supply whatever lengths and ends fittings you want.

perfect! thanks for that!

[catso]

buzzer said:

Its actually for a Ducati... I am fitting some FCR's on a 1000ds engine... but the carbs are in a split configuration.... hence the 1 into two...

Then that's what the motion pro is made for. Although the kit has the closer cables you don't actually need them as the FCR springs are quite strong and unlikely to stick open.

I removed them because I adapted a 916 throttle because it has a fast-idle 'switch' built-in, making it easier to get the Monster warmed up without stalling when cold but the 916 throtlle only has the opener cable.

[catso]

buzzer said:

Its actually for a Ducati... I am fitting some FCR's on a 1000ds engine... but the carbs are in a split configuration.... hence the 1 into two...

As an aside, are those your carbs? If so what sort of manifolds do you have because they're both sidedraft carbs and I would think you'd need the downdraft for the front cylinder, especially so if using short intakes.

At least that's how my Monster is setup...

[Rushjob]

Guzzi 850's / 1000's of the T3 / Le Mans I / II and later.....

https://www.biketeile-service.de/en/rollerscooterp...

Edited by Rushjob on Saturday 13th June 16:34

[Amused2death]

S2r said:

Most old twin cylinder / carb stuff will have a 1 into 2... I seem to remember my KH250 have a 1 into 3 cable

My KH250 had a one into four cable.....three for carbs and one for oilpump.

(Fond memories of riding round Norwich ringroad using a pair of molegrips when the nipple came off the handlebar end)

[buzzer]

catso said:

As an aside, are those your carbs? If so what sort of manifolds do you have because they're both sidedraft carbs and I would think you'd need the downdraft for the front cylinder, especially so if using short intakes.

At least that's how my Monster is setup...

its a long story... I built a special with a 1000 DS motor where I used some 38mm carbs off the Monster... I rode the bike all last years and loved the bike... but felt the carbs held it back. so this year I have decided to change to the FCRs. they will fit where the Mikuni's fitted on some custom made manifolds I have made.

Last winter I did an ST4s (996 engine) where I converted that to carbs... that runs REALLY well, I am so impressed with the performance on that one! here are a couple of pictures of the bikes...

[catso]

Rushjob said:

Guzzi 850's / 1000's of the T3 / Le Mans I / II and later.....

https://www.biketeile-service.de/en/rollerscooterp...

Can't say for other models but my Lemans II has a twin cable throttle, 1 to each carb.