Control coil bracket for throttle cable?

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hdmarkus
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Control coil bracket for throttle cable?

#1

Post by hdmarkus » Sat Aug 10, 2019 1:10 am

Today I removed my carburetor for repair and one question comes in my mind. Is there an additional bracket necessary to fix the throttle control cable nearby the carburetor / motor mount ?
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Buddhahoodvatoloco
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Re: Control coil bracket for throttle cable?

#2

Post by Buddhahoodvatoloco » Sat Aug 10, 2019 2:23 am

Need exact year, to be specific, I'd spin the cable down in the bracket.

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Re: Control coil bracket for throttle cable?

#3

Post by hdmarkus » Sat Aug 10, 2019 7:22 am

1955

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Re: Control coil bracket for throttle cable?

#4

Post by Buddhahoodvatoloco » Sat Aug 10, 2019 2:41 pm

On a 55 I don't think there is a extra bracket control etc. What might be the actual challenge is the throttle arm height. [See pic] Research that.BEST
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Re: Control coil bracket for throttle cable?

#5

Post by beets » Sun Aug 11, 2019 12:18 pm

I just looked at my 56 and the cable appears to be closer to the pan on mine. The carb arm looks the same height as yours. I would flip the cable in the bracket and see how that looks.

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Re: Control coil bracket for throttle cable?

#6

Post by hdmarkus » Sun Aug 11, 2019 3:38 pm

Good approach, I will test as soon the carburetor is back from repair (new throttle shaft, bushings and plate etc.). Thank you...

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Re: Control coil bracket for throttle cable?

#7

Post by hdmarkus » Sun Aug 18, 2019 10:20 am

today I have rearranged the routing of the throttle cable. It works better than before. I will test when carburetor is back from repair.....

Markus
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Re: Control coil bracket for throttle cable?

#8

Post by hdmarkus » Sun Sep 08, 2019 3:51 pm

just one question:

Will the throttle cable screwed in, with the throttle control open or closed ?

Thanks Markus

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Re: Control coil bracket for throttle cable?

#9

Post by awander » Sun Sep 08, 2019 6:28 pm

your question is not clear to me, but, this may answer it:

Roll the throttle grip forward completely. This is the position in which the carburetor throttle should be completely closed.

This is also the position in which the control coil inner wire should be be pulled into the coil.

Rolling the throttle grip backward should open the throttle, by pushing the inner wire out of the control coil.

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Re: Control coil bracket for throttle cable?

#10

Post by hdmarkus » Mon Sep 09, 2019 7:55 am

Ok let me explain this way:

in which position should the inner throttle cable connected to the carburetor? Open or closed position?

Markus

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Re: Control coil bracket for throttle cable?

#11

Post by Buddhahoodvatoloco » Mon Sep 09, 2019 2:17 pm

closed :lol: :lol: :lol: :lol: :lol: :lol:

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Re: Control coil bracket for throttle cable?

#12

Post by awander » Mon Sep 09, 2019 2:40 pm

hdmarkus wrote:
Mon Sep 09, 2019 7:55 am
Ok let me explain this way:

in which position should the inner throttle cable connected to the carburetor? Open or closed position?

Markus
I think we are having a translation problem.

The inner throttle cable should be connected to the carburetor in both positions, closed and open.

When the throttle twist grip is fully closed(rolled forward), the throttle on the carburetor should be fully closed.

When the throttle twist grip is fully open(rolled rearward), the throttle on the carburetor should be fully open.

I have found that the easiest way to get it in the right spot is:

-roll the grip fully forward, and then back it off (roll rearward) slightly, just until you see a tiny bit of movement of the inner cable coming out of the control coii)

-close the carburetor throttle all the way(push the lever toward the front of the bike), and tighten the screw

You want it set so when the grip is rolled fully forward, there is some tension pulling the throttle lever on the carb forward, against it's closed stop

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Re: Control coil bracket for throttle cable?

#13

Post by Andygears » Mon Sep 09, 2019 9:03 pm

Other Andy, I do it a bit different. I open the butterfly, throttle valve, in the carb all the way so looking thru the carb, the edge is all you see. Then, with the inner loose, roll the handlebar throttle wide open (WFO) against the stop in the bars. Then tighten the clamp on the throttle shaft with the throttle shaft arm as far to the left with the wire still in it, then tighten the screw onto the wire. Check that the arm/wire doesn’t hit the outer cable when backing off handlebar throttle to idle, all the way.

The issue is: there is more “travel” in the handlebar than the 90 degrees of throttle arm movement but the one place you need is throttle body butterfly at WFO (wide f#$*ing open) while the grip is fully against the stop. Any excess at the idle side will be unused when the throttle stop screw is adjusted for a steady idle.

Anyway, that’s how I do it,
Andygears

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Re: Control coil bracket for throttle cable?

#14

Post by awander » Mon Sep 09, 2019 9:13 pm

Andygears wrote:
Mon Sep 09, 2019 9:03 pm
Other Andy, I do it a bit different. I open the butterfly, throttle valve, in the carb all the way so looking thru the carb, the edge is all you see. Then, with the inner loose, roll the handlebar throttle wide open (WFO) against the stop in the bars. Then tighten the clamp on the throttle shaft with the throttle shaft arm as far to the left with the wire still in it, then tighten the screw onto the wire. Check that the arm/wire doesn’t hit the outer cable when backing off handlebar throttle to idle, all the way.

The issue is: there is more “travel” in the handlebar than the 90 degrees of throttle arm movement but the one place you need is throttle body butterfly at WFO (wide f#$*ing open) while the grip is fully against the stop. Any excess at the idle side will be unused when the throttle stop screw is adjusted for a steady idle.

Anyway, that’s how I do it,
Andygears
I like it!

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