I darksided my 1200. Now I have handling issues. Is it the tire or the bike set up. - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 25 (permalink) Old 06-29-2017, 02:38 PM
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Air it up to whatever the max cold pressure is on the sidewall. A taller tire with more flexible sidewalls will give that feeling, may just have to get used to it. You feel the back end torque because now you have traction you didn't have before.
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post #12 of 25 (permalink) Old 06-29-2017, 02:54 PM Thread Starter
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What speed does this happen? I was getting a pretty wicked rear ended shake on mine when I got above 85. Since then, I have changed the front tire because it was on out and now I don't have a problem... unless I am tickling triple digits. Keep in mind that tire is only rated for 118 mph.

The torque issue you describe in a slow turn I suspect is you riding the tires edge and just getting accustomed to the way that feels. Remember that when you are in a slow turn, the contact area is going to be really small compared to straight line riding or a motorcycle tire.
With my initial testing I stayed below 70. I thought I might have noticed something a little funny. I thought it was just getting used to this tire. I put 65 miles on it.

Then I went out of town. Once I got through St. Louis rush hour traffic I was able to open her up. That's when I noticed the issued. It comes on strong at 80-90. Bad enough I don't want to go that fast,,,lol. And my bikes usually seems real happy at 80,,,lol.


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post #13 of 25 (permalink) Old 06-29-2017, 03:00 PM Thread Starter
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first thing is verify your bead is completely seated, use the rib on the tire that should be right at your wheel and watch it while turning the tire and make sure it is the same all the way around on both sides, just because the bead popped doesn't mean it fully seated
I have read the 1200 wheel is different than the 1500 and can be more difficult to get seated, I have even read where you have to grind part of the inner lip down a little(not sure I would want to do that)
I will say the CT can feel pretty squishy at first but it should settled down after a week or so of riding
your not used to the type of tread you now have back there and everything is exagerated as the rubber flexes a little differently
as far as rear end torque under accel. that just takes a little getting used to.
as far as the air, set it to where it rides good and doesn't try to bottom out

I checked the consistency of the bead with the wheel on the bench. But I will go out now and put it on the center stand and check again. I'll also check for swing arm bushings and anything else that might be loose.


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post #14 of 25 (permalink) Old 06-29-2017, 03:15 PM
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I agree with Dave,, up the tire pressure to the max for the tire
the last CT I installed right before I added the sidecar did the same thing, right about 80 it felt like it wanted to wash out
I raised the pressure and after a little riding it settled down, I prob got a little more used to it as well
the first CT was a run flat so the sidewall was much stiffer than the tire I have now

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post #15 of 25 (permalink) Old 06-29-2017, 05:07 PM Thread Starter
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A little update.

I let the pressure DOWN to the tire max of 36psi. I also put the balancing beads in there. FYI. If the beads get stuck in the clear tube don't blow in it. The back pressure makes you swallow them. Good thing I had extra to make up for the mouthful I swallowed. I wonder how it's going to be coming out,,,lol.

It's too early to tell if it fixed it. I was only able to hit 80 for a very short burst. I did not have the proper riding gear on to do any real testing. I think it would be wise to fully gear up while testing a questionable tire doing 90,,,lol.

The rain is moving in so I have to wait. But I think it did wobble some at 80 for the very short time I hit it.

The bead looked good and the swing arm seemed tight.


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post #16 of 25 (permalink) Old 06-29-2017, 09:07 PM
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At least you can say you are well balanced.
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post #17 of 25 (permalink) Old 06-30-2017, 11:25 PM
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Is this a stock 1984 1200 15 inch back rim (previously with a bias tire), now with a radial car tire? And a stock 16 inch front rim with a stock bias motorcycle tire? Or have you changed the stock front bias type to a radial?
Also when you changed to the car tire did you make sure the back wheel bearing is not wallered out in the housing? (A problem really common to 1200 back wheels).
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post #18 of 25 (permalink) Old 07-01-2017, 09:06 PM
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So did you get it figured out after you took it for a ride with the beads is it balance now?

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post #19 of 25 (permalink) Old 07-05-2017, 06:06 PM Thread Starter
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So did you get it figured out after you took it for a ride with the beads is it balance now?

Latest update.

The beads didn't seem to "FIX" it. Things are a little better. But still not right. I did find my front psi was low at 35. I put it up to 40.

Like I said. It's a little better I think. But I was on a different road. I'm still getting the side to side wobble.


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post #20 of 25 (permalink) Old 07-05-2017, 07:47 PM
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Is the tire still at 36? You might want to play with the air pressure.

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