Rumbling tires? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 23 Old 05-09-2013, 05:51 PM Thread Starter
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Rumbling tires?

I'm I'm 1900 miles into a road trip and my tires are starting to feel funny at low speed. Sorta like I'm riding down a road covered with little rocks. My first thought was that the tires are cupping but I couldn't really see much evidence. I'm running shinkos and I belive they should have right around 4k on them. Any thoughts? Next time I find air I'm going to make sure they the tires are topped up. Anything else I should be checking?

I'm posting pics from the road here.

http://www.advrider.com/forums/showthread.php?t=851060

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Last edited by domromer; 05-09-2013 at 05:56 PM.
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post #2 of 23 Old 05-09-2013, 06:12 PM
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Are thay radial or bias ply? My Shinko 705s cupped like hell on the front. The back was fine. But I attribute it to the SoCal cement freeways. Other folks tend to agree with that.

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post #3 of 23 Old 05-09-2013, 06:32 PM
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I've burned through 3 sets of radial 705's and the fronts always start to cup around 5K.
As it progresses they always get progressively louder and skittish. My guess is if you look close at an angle that they are just beginning to cup.
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post #4 of 23 Old 05-10-2013, 10:24 AM Thread Starter
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Quote:
Originally Posted by marshallnoise View Post
Are thay radial or bias ply? My Shinko 705s cupped like hell on the front. The back was fine. But I attribute it to the SoCal cement freeways. Other folks tend to agree with that.
They are radials. Checked tire pressure this morning and they were down to 30 lbs eek! Pumped the back up to 40 and they are much better now.

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post #5 of 23 Old 05-10-2013, 11:08 AM
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my tires used to scallop all the time, then I experimented with tire pressure and found that running the front at 38 instead of 33, eliminated the scalloping entirely, with no noticeable losses in adhesion

Like suspensions, I think Suzuki's tire pressure recommendations are for lightweights

what does a "cupped" tire look like ?


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post #6 of 23 Old 05-10-2013, 04:06 PM
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Your tread looks pretty good to me. Could they be overinflated? I usually go a few pounds over the recommended pressure but no further. Ensures good traction, etc. Beyond that you remove any comfort available.

Could be a carcass issue or even a balance issue. Hard to tell without riding it...

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post #7 of 23 Old 05-10-2013, 04:49 PM
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Quote:
Originally Posted by randyo View Post
my tires used to scallop all the time, then I experimented with tire pressure and found that running the front at 38 instead of 33, eliminated the scalloping entirely, with no noticeable losses in adhesion

Like suspensions, I think Suzuki's tire pressure recommendations are for lightweights

what does a "cupped" tire look like ?


or

:biggrinjester:

[B]2003 DL1000 K3[/B][LIST][*]SonicSprings 1.0 front suspension[*]BMW R1100RT/P rear shock[/LIST]“Rebellion to tyranny is obedience to God.”
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post #8 of 23 Old 05-10-2013, 04:49 PM
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I won't evenuse shinko's they are garbage! they are defective tires and should not be used!

And to all of you guys who are going to say they are not shut up right now!
I sued shinko tires of usa and WON! there tires are dangerous and they do not stand behind them! Ask me and bikebandit.com how we know! All i know is there tires almost killed me when i was riding and there tires shedd all there block knobbies right off in less than 500 miles on a light 250 cc dual-sport bike. I crashed off the road at 40 mph into a river. In 32 degree weather in winter time. I won a 12,000.00 law suit against shinko america and that is exactly how i got my new to me Vstrom! From the lawsuit settlement.




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post #9 of 23 Old 05-10-2013, 05:06 PM
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Quote:
Originally Posted by preybird1 View Post
I won't evenuse shinko's they are garbage! they are defective tires and should not be used!

And to all of you guys who are going to say they are not shut up right now!
I sued shinko tires of usa and WON! there tires are dangerous and they do not stand behind them! Ask me and bikebandit.com how we know! All i know is there tires almost killed me when i was riding and there tires shedd all there block knobbies right off in less than 500 miles on a light 250 cc dual-sport bike. I crashed off the road at 40 mph into a river. In 32 degree weather in winter time. I won a 12,000.00 law suit against shinko america and that is exactly how i got my new to me Vstrom! From the lawsuit settlement.




Sorry for your misfortune, but millions of miles say your experience is an anomaly.

[B]2003 DL1000 K3[/B][LIST][*]SonicSprings 1.0 front suspension[*]BMW R1100RT/P rear shock[/LIST]“Rebellion to tyranny is obedience to God.”
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post #10 of 23 Old 05-15-2013, 06:54 PM Thread Starter
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So I rode the bike into work today it seemed the problem had been solved..then today on the way home the rumbling/ cattle grid feeling was back..I had the front and rear tires set to 40psi each...shinko 705 radials, and I seem to be missing no wheel weights...anything else I should be checking? I'm sorta at a loss...I'm got a new shinko waiting for me at the shop but I don't want to waste money on the tire if that's not the issue.

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