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Old 07-12-2008, 04:48 PM   #1
trumindgame
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Bike shaking at ****+ WTF?

I dont know whats going on. Basically I brought my 2k7 sv1000s to percision cycles to get a 4k mile tune up and a new rear tire. Shinko 190, I had a 180 on the stocked but the guy said it would be better. Since then the bike has been shaking when i get to speeds around **** mph. Its like wobbling side to side and forces me to slow down. Before the tire was placed on it I was able to hit a speed of **** mph with no problems. What else could be the problem, the tire size?

I recentlly bought a new tire at Stubbs 59 for the front due to low tire pressure.

I took it in today and they rebalanced BOTH tires saying that both were off by a lil bit. Thanks Stubbs and Percision for that one. And now its doing the same thing. So whats next? They want me to bring it in for a few days...blah blah I want my old bike back
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Last edited by SBK Pilot; 07-12-2008 at 07:48 PM. Reason: removed posting of illegal speeds
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Old 07-12-2008, 04:51 PM   #2
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you bought a new tire due to low tire pressure?

you couldn't just fill it up with air? or did it have a leak?
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Old 07-12-2008, 04:51 PM   #3
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maybe you should slow down.
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Old 07-12-2008, 04:52 PM   #4
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ummm........ I dont know what to say.......... I sold my bike and now am lost..


But something is definately wrong here...
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Old 07-12-2008, 04:56 PM   #5
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is your suspension adjusted properly?
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Old 07-12-2008, 05:01 PM   #6
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rim might be slightly bent?
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Old 07-12-2008, 05:03 PM   #7
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Your wheels are warped.
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Old 07-12-2008, 05:04 PM   #8
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Quote:
Originally Posted by trumindgame View Post
I dont know whats going on. Basically I brought my 2k7 sv1000s to percision cycles to get a 4k mile tune up and a new rear tire. Shinko 190, I had a 180 on the stocked but the guy said it would be better. Since then the bike has been shaking when i get to speeds around **** mph. Its like wobbling side to side and forces me to slow down. Before the tire was placed on it I was able to hit a speed of ****mph with no problems. What else could be the problem, the tire size?

I recentlly bought a new tire at Stubbs 59 for the front due to low tire pressure.

I took it in today and they rebalanced BOTH tires saying that both were off by a lil bit. Thanks Stubbs and Percision for that one. And now its doing the same thing. So whats next? They want me to bring it in for a few days...blah blah I want my old bike back

How is a 190 rear better than the stock 180.. I would think that the change would affect the suspension geometry?? Anybody???
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Last edited by SBK Pilot; 07-12-2008 at 07:48 PM.
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Old 07-12-2008, 05:05 PM   #9
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Old 07-12-2008, 05:07 PM   #10
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Quote:
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How is a 190 rear better than the stock 180.. I would think that the change would affect the suspension geometry?? Anybody???
wouldn't do anything in straight roads. It will make it harder to turn in, unless you readjust your suspension settings.
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Old 07-12-2008, 05:11 PM   #11
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see if they have the tire properly aligned....
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Old 07-12-2008, 05:12 PM   #12
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Quote:
Originally Posted by trumindgame View Post
Shinko 190, I had a 180 on the stocked but the guy said it would be better.
Better for what? Your bike was designed for a 180. Did you have a Shinko on the front or did you mix tire brands?

Quote:
Originally Posted by trumindgame View Post
Since then the bike has been shaking when i get to speeds around **** mph.
Where are you doing this?

Quote:
Originally Posted by trumindgame View Post
Its like wobbling side to side and forces me to slow down.
Must be some of those smart tires.

Quote:
Originally Posted by trumindgame View Post
Before the tire was placed on it I was able to hit a speed of **** mph with no problems.
Where did you do this?

Quote:
Originally Posted by trumindgame View Post
I recentlly bought a new tire at Stubbs 59 for the front due to low tire pressure.
Was it low or did it have a leak or puncture?

Quote:
Originally Posted by trumindgame View Post
They want me to bring it in for a few days...blah blah I want my old bike back
Do you know or trust these guys? I only use Motorcycles Unlimited but that's just my personal preference.
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Last edited by SBK Pilot; 07-12-2008 at 07:49 PM.
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Old 07-12-2008, 05:15 PM   #13
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Darwin is tapping ya on the shoulder....


besides that they probably didn't align the tires correctly or maybe even balance them correctly.
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Old 07-12-2008, 05:17 PM   #14
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Quote:
Originally Posted by tarosean View Post
Darwin is tapping ya on the shoulder....


besides that they probably didn't align the tires correctly or maybe even balance them correctly.




DING!DING!! DING!!! We have a winner!!!!
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Old 07-12-2008, 05:21 PM   #15
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It could be alignment but it can also be due to mismatched tire profiles.
One of my friends changed rear tire brands and immediately had head shake when there was none before. (Bridgestone to Michelin).
try lowering your rear suspension or raising the front about an eigth of an inch NO MORE.
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Old 07-12-2008, 06:14 PM   #16
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I had got the front tire because he said that it was um.. concaving or something due to riding on low tire pressure for a while. the tire looked fine but you can tell that on the mid right of the tire it was deformed like seven inches around the tire. flat/bubble action. The problem started after I put the back tire on. I hit the high speeds at different places. I didn't enjoy the 180 tire as much becasue every turn it felt like the tire was going to slip out.
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Old 07-12-2008, 06:18 PM   #17
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Old 07-12-2008, 07:28 PM   #18
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I think I've heard something like this before.... Did you check the directional arrows of the tires?
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Old 07-12-2008, 07:29 PM   #19
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Might be the bushings. Put your bike on a stand and try to wobble the wheel, front and back. If you hear ANY noise at all, then the bushings are probably loose or outta whack and need to be replaced.
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Old 07-12-2008, 07:57 PM   #20
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Quote:
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I think I've heard something like this before.... Did you check the directional arrows of the tires?
+1, I was thinking "deja vu" when I first saw this thread
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