Eliminate throttle slop for free! - 2018 KTM 790 Duke Forum
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  • 1 Post By dj790duke
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Old 08-17-2019, 11:37 AM Thread Starter
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Eliminate throttle slop for free!

Got this idea from the Ducati guys. The ride-by-wire throttle on our bikes are built with a bunch of play from the factory and can make off-on throttle transitions jumpy and a bit awkward. This mod simply takes up the slack between the grip and the control unit on the handlebar.


First remove your bar-end and then remove the two screws on the bottom of the control unit. Luckily for us, we don't even need a security bit to do this mod like the Ducati guys do.

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Remove the top of the control unit and you'll be able to slide the grip straight off.

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Now find yourself something to use as spacers approximately 1mm in thickness. I used the plastic off this wire tap I had laying around.

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Cut the spacers to fit on the grip like this and use some super glue to secure them in place. Test fit the grip on the control unit and (if needed) file the spacers down so it fits snug. If you prefer a little play, you can file this to your liking. I have mine set with no play at all.

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Re-assemble everything and test it out. Bike should idle just like it did before and the grip should turn smoothly throughout its range of motion. Enjoy a less sloppy ride!

Cheers!
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Old 08-18-2019, 09:05 AM
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Interesting. very nice post dj!

Truth be told, I don't feel that the throttle is too sloppy. Will need to pay more attention next time I take it out.

I ride because my wife says it keeps me young and is better than if I get a girlfriend...
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Old 08-18-2019, 10:47 AM
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Quote:
Originally Posted by QCS View Post
Interesting. very nice post dj!

Truth be told, I don't feel that the throttle is too sloppy. Will need to pay more attention next time I take it out.
I agree, not something that I actually notice.
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Old 08-18-2019, 11:05 AM
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I don't have any free play but the bike is new, not zero but it's pretty minimal, perhaps it's something that happens with more miles?
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Old 08-18-2019, 01:14 PM

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Interesting. very nice post dj!

Truth be told, I don't feel that the throttle is too sloppy. Will need to pay more attention next time I take it out.
Agreed. I absolutely need to pay more attention to it now.

Very nice How To DJ!

Keep the rubber side down!

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Old 08-18-2019, 01:16 PM
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Nice write-up, DJ!

I'm going to have to muck around with this now as well.
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Old 08-18-2019, 05:55 PM
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Another thing to consider regarding this issue is chain tension. With too much slack, the transition from off throttle to on throttle will feel snatchy as the top run of the chain goes from slack to taut.
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Old 08-18-2019, 06:00 PM
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Another thing to consider regarding this issue is chain tension. With too much slack, the transition from off throttle to on throttle will feel snatchy as the top run of the chain goes from slack to taut.
This is a VERY good point!

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Old 08-19-2019, 06:06 PM Thread Starter
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I just never liked that dead spot in the throttle from off to on and since riding the bike a few hundred miles now with the spacers in, I can say I'm much happier with the action now. I tend to run my throttle-by-cable bikes with very little play so maybe I'm just used to it that way.
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Old 08-19-2019, 08:44 PM

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I just never liked that dead spot in the throttle from off to on and since riding the bike a few hundred miles now with the spacers in, I can say I'm much happier with the action now. I tend to run my throttle-by-cable bikes with very little play so maybe I'm just used to it that way.
No I can honestly say I have felt that as well. I feel though that it is more pronounced depending on what mode you are in. I dislike it also. I may have to do this hack when I am playing around with the bike and drinking a beer.
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Keep the rubber side down!

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