Wiggle - Kawasaki KLR 650 Forum
KLR & Other Motorcycle Related Discussion Grab a seat and discuss whatever you like about the KLR or other related topics. Within reason.

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post #1 of 15 Old 10-14-2018, 04:23 PM Thread Starter
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Not even sure how to describe this. If I sit on my KLR, not moving, and wiggle the handle bars, then let go the movement keeps going for a second or two. Like an oscillation. I grew up on bikes, have owned many, can't say I've ever noticed this before on any of my other machines. If I look at my front tire while doing this, I can see the front tire flexing at the contact point. Could it be as simple as that? Why have I never noticed before on any other bike? I'm running TKC80s inflated to near 40 so not like they are soft. Can't find any flex in either rim (ie loose spokes), or frame flex, or fork flex. Anyone else's KLR do this? Mine's a 2012.
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post #2 of 15 Old 10-17-2018, 10:17 AM
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I'll suggest that it is just your body trying to Over-Control the tall, gangly KLR which may have had a 1/2 tank of fuel at the time. You've already ruled out loose spokes.

Unless you are heavy or heavily loaded, you might lower your tire pressures into the mid to lower 30's, always keeping the Front higher than the rear unless riding 2 up.

Front 34-40 / Rear 32-40 depending on load. The skinny front tire needs more psi than the wider rear.
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post #3 of 15 Old 10-17-2018, 02:10 PM
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Quote:
Originally Posted by Adirobdack46r View Post
Not even sure how to describe this. If I sit on my KLR, not moving, and wiggle the handle bars, then let go the movement keeps going for a second or two. Like an oscillation. I grew up on bikes, have owned many, can't say I've ever noticed this before on any of my other machines. If I look at my front tire while doing this, I can see the front tire flexing at the contact point. Could it be as simple as that? Why have I never noticed before on any other bike? I'm running TKC80s inflated to near 40 so not like they are soft. Can't find any flex in either rim (ie loose spokes), or frame flex, or fork flex. Anyone else's KLR do this? Mine's a 2012.

While not moving? Is someone holding you up? I'm in the process of winterizing mine and tried to do this with just sitting on it. I'm way too clumsy. Couldn't do it. But mine quit moving as soon as I let go.
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post #4 of 15 Old 10-17-2018, 06:01 PM
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Are you loaded up? The first time I went on a trip with my KLR, I was terrified by what you're describing. I realized it was the inertia from my loaded panniers. When I jiggled the handlebars, the back would jiggle for about 1/2 second after I stopped. Any weight on your back end?
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post #5 of 15 Old 10-17-2018, 06:03 PM
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Also, if you've got your tires that full, you might feel it even if you're not particularly loaded up. Momentum from the shaking isn't going to the ground, but staying "on" the bike, if that makes sense. (I say that as a total not-physics guy. Just an idea).
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post #6 of 15 Old 10-18-2018, 03:52 PM
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Quote:
Originally Posted by Adirobdack46r View Post
Not even sure how to describe this. If I sit on my KLR, not moving, and wiggle the handle bars, then let go the movement keeps going for a second or two. Like an oscillation. I grew up on bikes, have owned many, can't say I've ever noticed this before on any of my other machines. If I look at my front tire while doing this, I can see the front tire flexing at the contact point. Could it be as simple as that? Why have I never noticed before on any other bike? I'm running TKC80s inflated to near 40 so not like they are soft. Can't find any flex in either rim (ie loose spokes), or frame flex, or fork flex. Anyone else's KLR do this? Mine's a 2012.
My 2009 does same thing stopped, loaded with about 100 lbs. i could initiate that weird feeling oscillation by shifting weight side to side, stop shifting and it would continue for a second or two. I was concerned as well but seems like the nature of the top heavy pig. Have you been in the dirt yet?

Last edited by beamwalker; 10-18-2018 at 03:53 PM. Reason: correction
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post #7 of 15 Old 10-18-2018, 05:59 PM Thread Starter
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Originally Posted by brycelyoung View Post
Are you loaded up? The first time I went on a trip with my KLR, I was terrified by what you're describing. I realized it was the inertia from my loaded panniers. When I jiggled the handlebars, the back would jiggle for about 1/2 second after I stopped. Any weight on your back end?
Yes. Even when I have my panniers off, I always still have a rubber maid action packer on the back loaded with pretty heavy crap. That top heavy weight I guess could cause the symptom.
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post #8 of 15 Old 10-18-2018, 06:01 PM Thread Starter
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Originally Posted by beamwalker View Post
My 2009 does same thing stopped, loaded with about 100 lbs. i could initiate that weird feeling oscillation by shifting weight side to side, stop shifting and it would continue for a second or two. I was concerned as well but seems like the nature of the top heavy pig. Have you been in the dirt yet?
Yup. Done several hundred miles of varying dirt, mud, gravel conditions, both fully loaded and not.
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post #9 of 15 Old 10-18-2018, 06:06 PM
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I must not be understanding the issue or how to bring it on, because mine doesn’t do any of that even remotely similar when stopped. On the road, particularly at freeway speeds yes, but not when stopped.

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post #10 of 15 Old 10-18-2018, 06:58 PM Thread Starter
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Originally Posted by dan filipi View Post
I must not be understanding the issue or how to bring it on, because mine doesn’t do any of that even remotely similar when stopped. On the road, particularly at freeway speeds yes, but not when stopped.
Mine will do it sitting in the garage or anywhere. While sitting on it or standing next to it with the bike straight up, not leaning on side stand. I just start moving the handlebars left then right very fast just I guess maybe 8-12 inches and the entire bike starts to wiggle, and when I stop doing it the motion ramps down to a stop, it's not immediate when you stop moving the bars. I can find no play anywhere, but for my tires. If I do it while trying to look at the tires at the contact patches the tires are flexing. Maybe it's from being too inflated, or the extra weight I have on it. I sat on my buddy's F800GS while fully loaded for a trip and it doesn't do it at all. But that's an entirely different machine, with less aggressive tires.
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