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Offline EscCtrl

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Re: Handle bar wobble - suggestions?
« Reply #20 on: October 12, 2017, 02:47:04 PM »
*Originally Posted by tasso >>>> link hidden <<<<
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So I've done some maintenance yesterday and checked the bearings and they seems to me to be fine. There is no movement in any direction and steering is smooth.

I followed the route with the too much weight at the back and did a ride with and without luggage and I tried to lean forward as well.

The result is that without luggage it's not doing it. With luggage it is doing what ever I do.

I've added some preload as well and the bike handles better (other post) but it also was not cause of the wobble.

So I think SnowOwl is right, too much weight back. And solution really is a) hold handlebars  :008: b) move some weight to the front.

For the bearings I have allballs spare bearings with me so I can change but apparently it's not a problem.

Thanks a lot everybody for the input.

 :305:

Add lead ballast up front.  :008:

Can you rearrange stuff in your luggage to move the weight more forward? If the weight is at or forward of the rear axle bolt center line, it should get better.
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Offline tasso

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Re: Handle bar wobble - suggestions?
« Reply #21 on: October 12, 2017, 07:45:24 PM »
Unless I move the tool tubes to the front, I don't have here easy way how to move the weight forward. Although that's probably not significant amount of ballast :)

Ideal would be some "side" tank bags, something like Kriega does now for Africa Twin or I saw that for it. That would be ideal, maybe someone will be able to make some here or further on the way.

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Offline EscCtrl

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Re: Handle bar wobble - suggestions?
« Reply #22 on: October 12, 2017, 09:29:58 PM »
*Originally Posted by tasso >>>> link hidden <<<<
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Unless I move the tool tubes to the front, I don't have here easy way how to move the weight forward. Although that's probably not significant amount of ballast :)

Ideal would be some "side" tank bags, something like Kriega does now for Africa Twin or I saw that for it. That would be ideal, maybe someone will be able to make some here or further on the way.

 :305:

I have seen some people use a crash bar mounted bags to hold small stuff in like toolkits and tire repair kits.
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Offline tasso

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Re: Handle bar wobble - suggestions?
« Reply #23 on: October 13, 2017, 06:03:53 AM »
Yes, that would be ideal, however I think I need to move more significant weight in front.

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Online Oyabun

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Re: Handle bar wobble - suggestions?
« Reply #24 on: October 13, 2017, 07:15:19 AM »
Might interfere with the 19" wheels, but I'd probably try lowering the triples (or in other words raising the stanchions in the triples) by 5-10 mm.
We use this on sportsbikes to lean weight a bit to the front and aid turn-in and avoid headshake.
Also your RR top triples are ready to mount a scotts type steering damper worst case - but that's probably not the thing what you buy on the way to Indonesia.
« Last Edit: October 13, 2017, 07:17:32 AM by Oyabun »

Offline OldForter

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Re: Handle bar wobble - suggestions?
« Reply #25 on: October 13, 2017, 03:17:41 PM »
I have Wolfman tank panniers. I put tools, air compressor and MSR fuel bottles in them. Keeps some weight forward.

Online jkeesaman

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Re: Handle bar wobble - suggestions?
« Reply #26 on: October 13, 2017, 09:27:17 PM »
Try changing your front to rear preload distribution, it changes static stability. When I changed from the OEM Dunlops to my Shinko 705's at 500 miles my front end got very lively, felt like it was on the verge of dynamic instability. I ended up raising the front two markers on the front preload and lowering the back two clicks to tone it down. As I understand it raising the front and lowering the back increases static stability, lowering the front and raising the back decreases static stability. In my case the change in static stability solved my dynamic stability issue.

Offline SnowOwl

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Re: Handle bar wobble - suggestions?
« Reply #27 on: October 13, 2017, 09:37:18 PM »
Probably the best starting point with the suspension is to set the sag on both the front and rear with the bike fully loaded.  Search for it on the internet, there are lots of videos showing how to do it.  If you cant get the sag correct then you will need to do some suspension work to correct the condition.
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