Throttle cables and LSL bar risers - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 7 (permalink) Old 05-04-2019, 10:14 PM Thread Starter
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Throttle cables and LSL bar risers

Hi All,

To the point:
Do LSL bar risers require longer throttle cables?


The long version:

My 2002 Sprint RS came with an LSL bar riser installed, but I also go the OEM 'clip-ons.' I've been itching to see what the riding position is like with the OEM bars so I put 'em on, which meant taking off all the switch gear, grips, etc.

I quickly decided I prefer the risers to OEM, so I reverted the setup to the LSL bar. When I started the bike the idle was at 2000 rpm, and would only settle down a bit with 'encouragement.' I fiddle with the throttle grip position, the bar position, and opened the throttle housing to make sure the cables were properly positioned.

In the end the idle was still high, lowering only with some forced throttle closing.

While the high idle may be a simple adjustment, rerouting ... it may also be that I damaged the old cables. So I'm thinking it'd be good to get new cables in any case.

But I don't if what I've got now are OEM cables or something that was packaged with the LSL bar riser. Anyone know?

Thanks for any help. Sorry for being long-winded.

2002 Sprint RS: TOR silencer, LSL bars, Laminar lip, factory tail rack with Givi top box, custom painted OEM panniers (one of 'em anyway - sad story), M-Factory lowered pegs, Penske shock.Thanks for all the help, Kit!
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post #2 of 7 (permalink) Old 05-06-2019, 02:35 AM
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I have done the same, my RS came with risers and a renthal bar, I installed ST bars (and like it much better)

Anyway, same thing happened with the idle, it wouldnít return smoothly. It was just a matter of routing the cables as directly as possible, ensuring there were no tight bends, itís unlikely you damaged the cables ...
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post #3 of 7 (permalink) Old 05-07-2019, 08:35 PM Thread Starter
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Return throttle cable: Okay, how well does your throttle return to zero? I didn't think about it before taking the controls off the bars, but as of now the throttle will hang at about 2 grand unless I physically close it. Is this a sign of the return throttle cable needing adjustment, lubrication, replacement? Maybe it's common and okay?

2002 Sprint RS: TOR silencer, LSL bars, Laminar lip, factory tail rack with Givi top box, custom painted OEM panniers (one of 'em anyway - sad story), M-Factory lowered pegs, Penske shock.Thanks for all the help, Kit!
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post #4 of 7 (permalink) Old 05-08-2019, 01:47 AM
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I donít think itís ok, the throttle should snap back to idle every time. I found on mine that the routing is critical and when I changed back to original bars, it took me a while to sort that. I suspect I have longer throttle cables to accomodate the bar conversion that was on the bike when I bought it, so they had to be routed in a way that provided freedom of movement. That meant looping the cables in a wide arc from the twist grip
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post #5 of 7 (permalink) Old 05-08-2019, 08:34 AM Thread Starter
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Thanks Roden.
Just to be clear, while I took the controls off the LSL bars to give the OEM bars + risers a try, I went back to the LSL setup. In the meantime the controls just hung off the to the left/right sides - not much changed in terms of cable routing. I'm going to try lubricating the cables - I imagine they're the originals (hence 2002 era). I may even order some new ones since the last thing I want is to be stranded out in the middle of nowhere.

Cable lubrication - research is coming. Tips are appreciated. (Maybe the housings are 'teflon' lined and don't require lubing?)

New cables - Buy the ST cables? (I'm on an RS, with LSS bars.) Is there an 3rd party alternative?
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2002 Sprint RS: TOR silencer, LSL bars, Laminar lip, factory tail rack with Givi top box, custom painted OEM panniers (one of 'em anyway - sad story), M-Factory lowered pegs, Penske shock.Thanks for all the help, Kit!
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post #6 of 7 (permalink) Old 05-08-2019, 10:20 AM Thread Starter
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Bike Bandit has two lines for throttle cables:
"Throttle Actuator, Twin Cable" T2040252 - $48.21
&
"Cable, Throttle, Twin" T2040289 - $41.34

I presume one is for 'throttle on' and one is the return cable.
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2002 Sprint RS: TOR silencer, LSL bars, Laminar lip, factory tail rack with Givi top box, custom painted OEM panniers (one of 'em anyway - sad story), M-Factory lowered pegs, Penske shock.Thanks for all the help, Kit!
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post #7 of 7 (permalink) Old 05-08-2019, 06:49 PM
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I would purchase the ST cables as a minimum as ST bars are somewhat higher than RS bars but my cables seem really long, they might be from a Tiger to accomodate the riser conversion and while I canít confirm for sure, I suspect thatís the case ... maybe that will work for you?

If your cable routing is unchanged then you probably do have some other issue causing the throttle to stick and new cables are probably in order.

I havenít seen any advice on lubing cables, I reckon theyíd be Teflon lined and donít require lube.

Iíll post up a pic of my setup when I get my bike back (itís in the shop getting a re-wound stator installed)

Let us know how you get on
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