throttle resistance - - Excellence in Motion
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post #1 of 8 (permalink) Old Jun 27th, 2008, 6:23 pm Thread Starter
Join Date: May 2008
Posts: 45
throttle resistance

ok. i know. gas is expensive and we shouldn't crank it that much anyways. what really holds
me back however is the throttle - it takes a lot of effort to twist it, and lately, it also
takes effort to roll it back (as if somebody would want to do that, but then again idling at
9000 rpm in front of a red light is not that pc these days ......)

anyone had this before ? quick fix ? btw bike was sitting for a long time before i picked it up,
and another one i tried did not have the issue.

cheers. tom,
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post #2 of 8 (permalink) Old Jun 27th, 2008, 6:36 pm
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What kind of bike???
My '76 Triumph had a sticking throttle lots of times!

Bruce C
'04 K1200RS Capri Blue(totaled)
2008 Triumph Sprint ST
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post #3 of 8 (permalink) Old Jun 30th, 2008, 12:44 pm Thread Starter
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its a K12 thread ! yes it gets stuck, i just don't know why. do we have fly by wire or is there really going a cable to the throttle body ?

cheers !
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post #4 of 8 (permalink) Old Jun 30th, 2008, 1:44 pm
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Location: New Brunswick, NJ, USA
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Check for fraying where it connects to the throttle grip. thread implies there may have been a bulletin/recall.

I recommend you check the fiche, the new/upgrade cables have a nylon casing which adds some fray protection. The part numbers are on the cables so you can tell if yours are current.

Here are the updated parts for K41 series:

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post #5 of 8 (permalink) Old Jun 30th, 2008, 1:55 pm
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Dont Screw Around Get New Cable...also.there Are Post In Here About Relaxing The Springs.....mine Has Been Sticking And I Need To Get Off My Ass And Replace It...dont Want That Baby To Stick Wide Open On You...thats For Damn Sure
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post #6 of 8 (permalink) Old Jun 30th, 2008, 2:34 pm
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If somebody has had the airbox off and moved the throttle body hose clips around, they can foul on the throttle cable or the quadrant.

If the springs are still in the stock position and the cable sticks you have a BIG problem. I've run 2 of my springs relaxed for 3 years on the same cable and never had a problem, until I got the hose connectors in the wrong place and they fouled up. The symptom is the throttle grip goes slack and wobbly when rolled right back with high idle. The quadrant on the throttle linkage just isn't returning to the stop - nice click when the rolled back to idle.

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Last edited by voxmagna; Jun 30th, 2008 at 2:40 pm.
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post #7 of 8 (permalink) Old Jul 1st, 2008, 8:59 pm
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Location: Las Vegas, Nevada, USA
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K1200RS and GT Classic, We have three cables,
one to open the throttle body shaft.
one to pull it closed
one for cruise controll.

I have seen some need for oil on the throttle at the grip swivel and also in the cables.

I had a problem near the cruise controll box. I had to reroute the cables a little bit.
But I R & R the plasic alot.

there was a recall on my 2002, but not on the 2004 for a new cables. The 02 had very heavy throttle till the new cables got put on.
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post #8 of 8 (permalink) Old Jul 2nd, 2008, 7:11 pm
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Don't add any lubricant to the throttle cables. What EVER you chose, it'll gum things up, and it'll be worse than before, if you can even move them. Throttle cable stickiness can be a culprit, and replacement is the answer. However, check out (via search) the throttle spring relaxation proceedure and see if that makes a difference.

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