Help reading my street tires - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 10 (permalink) Old 03-30-2013, 10:36 PM Thread Starter
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Help reading my street tires

Can you guys tell me what you think about my suspension setting by my tire wear? No track, just hiways and byways.
The tread sipes show rounded and raised edges. They're a little more pronounced in real life.
Rear shock is Ohlins, front is OEM with fresh oil.
Oh, and my zipties show the forks have 12 mm or travel left before bottom.
I have all my base settings if needed.





And the front






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post #2 of 10 (permalink) Old 03-31-2013, 06:43 AM
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what air pressures are you running Jon ? F&R

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post #3 of 10 (permalink) Old 03-31-2013, 09:12 AM
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So many factors come into play when trying to conclude the cause of tire wear, good, bad or normal. Air pressure, suspension or worn parts.

Your tires do look like normal wear for mc tires. This wear is an indicator of your braking and cornering habits.

A couple of sites may help you decide for yourself;

A simple explanation,
http://w6rec.com/duane/bmw/cupping/


“The leading edge of the tread does not flex much as it grips the road and the rubber is scuffed off the tire in that area causing a depression. As the tire rotates, the pressure moves to the trailing edge of the tread pattern where the tread flexes more causing less scuffing so less material is ground off the tire. The more complex the tread pattern, the more complex the cupping pattern will be. The softer the compound of the tire, the sooner this cupping will develop. Radial tires are more prone to cupping than are bias ply because the compound of radials is softer.”

Quoted from;
http://www.rattlebars.com/tirewear/index.html
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post #4 of 10 (permalink) Old 03-31-2013, 01:31 PM Thread Starter
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Originally Posted by CapeCodderRC View Post
what air pressures are you running Jon ? F&R
Lately, temperatures are around 70F degrees, asphalt about the same.
Front tire = 34 cold.
Rear tire =31 cold.
They get good and warm. Not hot, you can easily hold your hand on the tires, but pretty warm. I'm guessing they gain about 2 psi when heated up. I haven't checked them when warm.

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post #5 of 10 (permalink) Old 03-31-2013, 04:58 PM
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Pilot Pures right ?

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post #6 of 10 (permalink) Old 03-31-2013, 08:45 PM
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Originally Posted by jondog9 View Post
Lately, temperatures are around 70F degrees, asphalt about the same.
Front tire = 34 cold.
Rear tire =31 cold.
They get good and warm. Not hot, you can easily hold your hand on the tires, but pretty warm. I'm guessing they gain about 2 psi when heated up. I haven't checked them when warm.
Jon, i did 800 miles last year on an under inflated front tire...about 28-30psi

My tires looked similar to yours, actually even more cupping.

Replaced tires and run them 36f 38r. I only have about 200 miles on them, but so far they look good.

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post #7 of 10 (permalink) Old 04-01-2013, 09:40 AM Thread Starter
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Pilot Pures right ?
Yep, pilot pures.

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post #8 of 10 (permalink) Old 10-22-2013, 07:32 PM
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http://youtu.be/brRDwt4Q2kQ

Not sure if this helps, but thought the first part was interesting.

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post #9 of 10 (permalink) Old 10-22-2013, 07:54 PM Thread Starter
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Thanks Wey.
I've actually had Dave Moss set my suspension twice now, so between that and his numerous videos on youtube, I'm pretty dialed in now. I've learned more about tires and suspension since I posted this thread early this spring. I watch my pressure closely, and run about 28-32 depending on weather and road conditions.

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post #10 of 10 (permalink) Old 10-22-2013, 08:08 PM
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^^^ I figured you sorted it all out as it was an older post, but maybe someone else can utilize the video.

Just been doing my research on different settings and setups as I become a more serious track rider. Between Youtube watching and Forum reading, I think I've put in enough hours to have earned my MBA by now haha

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