throttle cable routing - Triumph Forum: Triumph Rat Motorcycle Forums
» Main Menu

Discussion Forums
 » Twins
 » Tiger
 » General
 » RAT

Features
 » Blogs

Motorcycle.com Links

Contribute
 » Photo

Motorcycle Forums
» Insurance
» Sponsors
» Our Partners
»ATV Reviews
»Motorcycle Games

Classic, Vintage & Veteran For Coventry and Meriden Models. Anything pre-Hinckley goes.

Reply
 
LinkBack Thread Tools Display Modes
Old 11-11-2012, 05:07 AM   #1 (permalink)
Senior Member
Supersport 600
Main Motorcycle: BONNIE 1979 T140E
 
Join Date: May 2009
Location: UK & HKG
Posts: 191
throttle cable routing

My 'new' throttle cable 2 into 1 plastic unit failed while riding in the city recently and I ended up limping home on one cylinder! Very annoying. I have never really been comfortable with the random routing and haphazard 2 into 1 unit that makes up the throttle cable set, from the twist grip to the carbs. I find there is very little room for the cables since all the electrics run along the same route, and once the tightly fit tank sits on top of the whole lot, the throttle cables are squeezed and do not sit as they naturally would and as a result, become bent and pushed into acute angles that creates frictions.

Does anyone have any tips as to avoid these problems, or are there any good modifications available out there? I would, if I had the know how, like to make a unit concisting of metal, hollow tubing with cables running through from the carb to the twist grip and avoid all the bends and 'give' one gets with the traditional cables. A kind of self plumbed and routed unit. anyone tried this?

Sorry for the long post on such a simple subject but it is a real issue on my bike especially with the failure I had, and certainly when comparing to Japanese setups.

Look forward to the replies.

Ed.
eddyfiola is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 11-11-2012, 06:41 AM   #2 (permalink)
Senior Member
World SuperBike
Main Motorcycle: 1971 t120r
 
Join Date: Mar 2005
Location: exmouth devon uk
Posts: 1,957
Other Motorcycle: triumph rocket 111
I use twin cables and find the best method is to have the tank fitted and just push the cables up beside the tank.No crush,or anything to catch on.biggest advantage with twin cables is that if one breaks,you can go home on a Triumph single cylinder.Petrol wash is not so nice though
rambo is online now   Reply With Quote Quick reply to this message
Old 11-11-2012, 06:51 AM   #3 (permalink)
Moderator
Moto Grand Prix
Main Motorcycle: T120V
 
Caulky's Avatar
 
Join Date: Jun 2008
Location: Isle of Wight England
Posts: 2,671
Other Motorcycle: 1960 Tiger Cub
Extra Motorcycle: 1971 Bsa A65L
Run all cables under the frame.
None of them should be pinched by the tank.
The electrical cables can be taped or fixed by cable ties.
Also the clutch cable [lightly].
My throttle cable/s are loose, to avoid sharp bends or restictions.
Be careful when fitting the fuel tank.
Unable to send pictures because Photobucket has gone ****up
Caulky is offline   Reply With Quote Quick reply to this message
Old 11-11-2012, 07:34 AM   #4 (permalink)
Senior Member
Commentator
Main Motorcycle: 72 Bonneville T120RV
 
triumpt120rv's Avatar
 
Join Date: Aug 2010
Location: Canada
Posts: 9,048
Quote:
Originally Posted by eddyfiola View Post
My 'new' throttle cable 2 into 1 plastic unit failed while riding in the city recently and I ended up limping home on one cylinder!

Along with proper routing advice stated above, use the "better" junction box by amal. Not sure which one you used but I know there are some pretty poor quality ones being sold. Here's a link to amal's:

http://www.amalcarb.co.uk/ProductDet...lType=1&id=163
triumpt120rv is offline   Reply With Quote Quick reply to this message
Old 11-11-2012, 08:00 AM   #5 (permalink)
Senior Member
Supersport 600
Main Motorcycle: BONNIE 1979 T140E
 
Join Date: May 2009
Location: UK & HKG
Posts: 191
I just read my post again and it gave the impression that I sit the tank on top of all the cables - I do not, they sit under the frame. The problem is the lack of space between the tank and frame at the sides.

I am using the amal connector but the nipple at the end of the cable pulled through the fitting and lodged in the side of the unit! A metal copy would be the way to go.

Anyway, thanks for the posts. BTW, has anyone changed to new throttle slides because of the old ones wearing out, and seeing a big change? Mine appear very worn and I fear the carb is running a little lean in the lower range especially when cold - specifically 3000rpm. I have changed all the jets to standard some time ago and the slides are the remaining items that are old. What effect do worn slides have?

Thanks again.
eddyfiola is offline   Reply With Quote Quick reply to this message
Old 11-11-2012, 08:58 AM   #6 (permalink)
Senior Member
Commentator
Main Motorcycle: 72 Bonneville T120RV
 
triumpt120rv's Avatar
 
Join Date: Aug 2010
Location: Canada
Posts: 9,048
Quote:
Originally Posted by eddyfiola View Post
I am using the amal connector but the nipple at the end of the cable pulled through the fitting and lodged in the side of the unit! A metal copy would be the way to go.

http://www.ebay.com/itm/244-104-TWIN...item3f1dc148dd

Worn slides will not allow you to tune the carb properly.
triumpt120rv is offline   Reply With Quote Quick reply to this message
Old 11-11-2012, 09:48 AM   #7 (permalink)
Member
Grand Prix 250
Main Motorcycle: 1998 sprint executive
 
mike1976's Avatar
 
Join Date: Aug 2011
Location: Prov, Rhode Island USA
Posts: 42
Other Motorcycle: 1976 bonneville
Extra Motorcycle: 1978 bonneville
hello, on my 76 bonne i run the dual cables with no problem, i will say i do worry about leaving enough slack in them during adjustment. because it can change during install. for me i just tried to route them with no sharp bends. let them lay where they want to. i would consider individual cables though, because i had a hard time finding a correct length spare upper. i guess it's either make it myself or pay for custom made. Mike.
mike1976 is offline   Reply With Quote Quick reply to this message
Old 11-11-2012, 03:21 PM   #8 (permalink)
Senior Member
World SuperBike
Main Motorcycle: 1971 t120r
 
Join Date: Mar 2005
Location: exmouth devon uk
Posts: 1,957
Other Motorcycle: triumph rocket 111
Quote:
Originally Posted by eddyfiola View Post
I just read my post again and it gave the impression that I sit the tank on top of all the cables - I do not, they sit under the frame. The problem is the lack of space between the tank and frame at the sides.

I am using the amal connector but the nipple at the end of the cable pulled through the fitting and lodged in the side of the unit! A metal copy would be the way to go.

Anyway, thanks for the posts. BTW, has anyone changed to new throttle slides because of the old ones wearing out, and seeing a big change? Mine appear very worn and I fear the carb is running a little lean in the lower range especially when cold - specifically 3000rpm. I have changed all the jets to standard some time ago and the slides are the remaining items that are old. What effect do worn slides have?

Thanks again.
Worn slides will let air by.I am about to replace my Amals after about 10,000 miles as i am getting carb problems at mid throttle 3000 rpm.Full throttle is fine as there is plenty of fuel to mask the midrange weak mixture.You will find it very difficult to set up twin carbs if the slides are rattling around.Premier range with hardened slides might be a good choice.Going to buy a pair next week
rambo is online now   Reply With Quote Quick reply to this message
Old 11-12-2012, 01:08 AM   #9 (permalink)
Senior Member
Supersport 600
Main Motorcycle: BONNIE 1979 T140E
 
Join Date: May 2009
Location: UK & HKG
Posts: 191
Hey thanks Rambo.

Is it correct to say that if the slides are worn then so are the insides of the carb in which the slide operates?

Where can I get the premier range?
eddyfiola is offline   Reply With Quote Quick reply to this message
Old 11-12-2012, 06:43 AM   #10 (permalink)
Member
Grand Prix 250
Main Motorcycle: Vincent
 
Join Date: Feb 2009
Location: Eastern Pennsylvania
Posts: 66
Other Motorcycle: Many
You can tell if the slides/bores are worn by reaching in your fingers inside and seeing if the slides wobble inside the bores. What is really happening is the bores are worn, putting new slides in will not fix your problem because of the worn bores. You have to either replace the carbs or have the bores bored/sleeved. The original and some of the new Amal carbs used bores and slides made of the same materials so they would wear each other out. The new premier Amal carbs use hardened slides so that won't happen any more. You can buy them directly from amal or elsewhere.

Rob
mach1970 is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Triumph Forum: Triumph Rat Motorcycle Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter your valid email address, that can receive an automated confirmation message. Otherwise, you won't be able to gain full access.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Throttle cable routing Wombat Hinckley Classic Triples 4 05-19-2011 09:53 AM
throttle cable routing mightyapu Triumph SuperSports 0 05-15-2011 02:06 PM
Throttle Cable Routing Granty Sprint Forum 6 11-25-2007 11:21 PM
Clutch and Throttle Cable Routing dcorbell Speed Triple Forum 1 02-10-2006 03:55 PM
Throttle cable routing please Sprintguy Sprint Forum 9 02-18-2005 04:50 PM

Powered by vBadvanced CMPS v3.2.2

All times are GMT -4. The time now is 04:06 AM.



Motorcycle News, Videos and Reviews
Honda Grom Forum Harley Davidson Forum Honda 600RR Kawasaki Forum Yamaha R6 Forum Yamaha FZ-09 Forum
1199 Panigale Forum Roadglide Forum Honda CBR1000 Forum Vulcan Forum Yamaha R1 Forum Yamaha R3 Forum
Ducati Monster Forum Harley Forums Honda CBR250R Forum ZX10R Forum Star Raider Forum Yamaha Viking Forum
Suzuki GSXR Forum V-Rod Forums Honda Shadow Forum Kawasaki Motorcycle Forum Star Warrior Forum KTM Duke 390 Forum
SV650 Forum BMW S1000RR Forum Honda Fury Forum Kawasaki Versys Forum Drag Racing Forum Ducati 899 Panigale Forum
Suzuki V-Strom BMW K1600 Triumph Forum Victory Forums Sportbikes BMW NineT Forum
Volusia Forum BMW F800 Forum Triumph 675 Forum MV Agusta Forum HD Street Forum Suzuki GW250 Forum
Yamaha Motorcycles Victory Gunner Forum Honda Vultus Forum

Garage Plus vBulletin Plugins by Drive Thru Online, Inc.

Search Engine Optimization by vBSEO 3.6.0