Dunlop fans beware - GSXR.com
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post #1 of 37 (permalink) Old 07-11-2014, 02:21 AM Thread Starter
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Dunlop fans beware

My buddy back in Cali had this happen.

This bike has never seen the track and he runs about an average pace in the canyons. The rear tire has a few tears in it.

He experienced but as you can tell by looking at the tire, he wasn't pushing them to the limit. And check out the wear bars. This tire still has a lot of meat left.

So maybe now all you q3 fan boys will listen to me when I say that Bridgestone>Dunlop

You've been warned.

ImageUploadedByMotorcycle1405070159.013350.jpgImageUploadedByMotorcycle1405070307.068576.jpg

P.s. Yes he warmed them up. Yes they were at the correct psi. No he doesn't do burnouts. The date stamp was march of this year.

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Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.


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post #2 of 37 (permalink) Old 07-11-2014, 04:07 AM
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Wow, that is scary. It almost looks like a seam starting to separate or something. I would be curious what the manufacturer has to say.

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post #3 of 37 (permalink) Old 07-11-2014, 05:45 AM
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Maybe Bridgestone>Dunlop street tires, but the race spec Dunlop is awesome. :
Glad he caught it though, before it turned into a really bad canyon day.

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post #4 of 37 (permalink) Old 07-11-2014, 05:52 AM
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We actually saw that nearly exact thing at the track a few months back on a set of Dunlop race tires.

The local dunlop guy wouldnt do anything for him (they had maybe 20 laps on them) so he came to us at Pirelli to give our stuff a try. He went 1 second faster so I dont think it became an issue for him :-p


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post #5 of 37 (permalink) Old 07-11-2014, 06:16 AM
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I read somewhere that a lot of the Q3's were stored cold in shipment, and this was the outcome. I'll try to find that source.

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post #6 of 37 (permalink) Old 07-11-2014, 06:46 AM
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Originally Posted by PainfullySlow View Post
We actually saw that nearly exact thing at the track a few months back on a set of Dunlop race tires.

The local dunlop guy wouldnt do anything for him (they had maybe 20 laps on them) so he came to us at Pirelli to give our stuff a try. He went 1 second faster so I dont think it became an issue for him :-p
Dammit. Good thing I get good takeoffs. If any issues are going to develop, I hope they pop up before I get them.

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post #7 of 37 (permalink) Old 07-11-2014, 07:03 AM
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I feel obligated to tell you guys that Pirelli makes the best tires.
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post #8 of 37 (permalink) Old 07-11-2014, 07:17 AM
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That's why I run Michelins on the street...

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post #9 of 37 (permalink) Old 07-11-2014, 07:20 AM
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I saw similar splits a couple of years back with the Q2s also.

It seems to be pretty rare and sporadic. None reported any tire failures from the splits in the tread material.

This is not good but I've never had the problem and still think the Q3s are the best bang for the buck.

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post #10 of 37 (permalink) Old 07-11-2014, 07:21 AM
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SRAD Had a dunlop go "Bad" In like 1,000 Miles or less IIRC.

Q2 I think?

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post #11 of 37 (permalink) Old 07-11-2014, 07:33 AM
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I remember seeing this happen on other tires as well, I would hope that Dunlop would replace them? I have a set being delivered today so I do hope this is rare.
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post #12 of 37 (permalink) Old 07-11-2014, 08:47 AM
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To be fair, manufacturing issues can crop up with ANY tire. I am not defending Dunlop (mostly because I hate their tires) but I have seen weird things on all brands of tires over the years, even my beloved Pirellis.

We saw a lot of funky stuff when multi-compound tires first came on the scene. A lot of separation troubles where the two compounds met, etc.

The moral of the story is to actually LOOK at your tires. So many people dont even check their tire pressures more than once a year.

Check pressures, look for odd wear (you can tell a lot about your riding and suspension from tire wear), and check for debris.


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post #13 of 37 (permalink) Old 07-13-2014, 08:12 AM
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I wish racers could choose what ever tire they want to race with ... spec tire ideal sux

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post #14 of 37 (permalink) Old 07-26-2014, 03:35 PM Thread Starter
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Dunlop fans beware

ImageUploadedByMotorcycle1406414053.746655.jpg

Where are the dunlop fans? You all still believe in q3's ???

The hits just keep on coming

ImageUploadedByMotorcycle1406414097.639946.jpg

Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.



Last edited by 3-Nation; 07-27-2014 at 02:40 PM.
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post #15 of 37 (permalink) Old 07-28-2014, 07:15 AM
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Will be watching for this. Stayed away from Dunlop for years due to their previous delaminating issues and only raced on Michelins so hope these Q3s hold up. For the street, worth a shot at the price.
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post #16 of 37 (permalink) Old 07-28-2014, 12:46 PM
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im almost through my first set of q3's and have had no issues with them. theyve seen lots of aggressive street riding, no track use yet as i run slicks but theyll end up on the track soon just to finish off the sides. i run them 32/32 cold on the street, even toss my wife on the back here and there and ive had no problems with them. im far from a dunlop fanboy i just buy whats affordable that works well. ive run super corsa's and loved them. another favorite was the rosso corsa, great on the street and track and has a lot of life in it, the q3's are nice, ive run several sets of d211's on the street with no issues as well. my buddy is currently on r10's and besides the ridiculous pace they wear at he loves them. maybe just a few bad dunlops floating around out there?
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post #17 of 37 (permalink) Old 07-29-2014, 01:21 PM Thread Starter
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GPA 211's....

ImageUploadedByMotorcycle1406665221.253460.jpg

ImageUploadedByMotorcycle1406665248.322881.jpg

ImageUploadedByMotorcycle1406665274.285604.jpg

Still not convinced?

Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.


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post #18 of 37 (permalink) Old 07-29-2014, 01:25 PM
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Yikes
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post #19 of 37 (permalink) Old 07-29-2014, 01:27 PM Thread Starter
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Yikes

Yup. No dunlops for me ever again. I won't even roll with free take offs.

Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.


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post #20 of 37 (permalink) Old 07-29-2014, 02:50 PM
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post #21 of 37 (permalink) Old 07-29-2014, 03:42 PM
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Still love my Q3's ripped up the track on em at summit point this weekend. No tears rips etc... from this guy. I did have a front rip once on q3 and they shipped out brand new one for free while I shipped ripped tire back for research. But haven't had an issue since.

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post #22 of 37 (permalink) Old 07-29-2014, 03:51 PM
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I have Q3's with one track day on them. I'm going to go home and look them over. Still makes me a little nervous.
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post #23 of 37 (permalink) Old 07-30-2014, 04:31 AM
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maybe its because i wear out tires before they have a chance to do this? lol.
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post #24 of 37 (permalink) Old 07-31-2014, 12:41 PM
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I have always been a pilot power 2ct fan but when my back tire caught a flat and was worn already I almost went with a set of Q3's. I'm going to stick to what has been working for me.
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post #25 of 37 (permalink) Old 07-31-2014, 01:56 PM
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i just checked the brand new set of q3's i have on my shelf, the rear has the same kind of lines the original post shows. im not really too worried. itll burn off and if it doesnt ill call dunlop.
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post #26 of 37 (permalink) Old 08-01-2014, 05:01 PM
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Im not sure if this was discussed, but the manufacturer year of the tire has alot to do with it. Also, if the tires is stored in the cold and put on it can crack. I have seen this on a set of brand new dunlops slicks. When mounted they cold cracked. Luckily the tire guy at the track warrantied them.
Just be cautious of where you buy tires from.

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post #27 of 37 (permalink) Old 08-02-2014, 03:07 PM Thread Starter
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Dunlop fans beware

Edited because I was drunk and not thinking when I wrote that post
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Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.



Last edited by 3-Nation; 08-03-2014 at 05:46 AM.
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post #28 of 37 (permalink) Old 08-02-2014, 03:16 PM Thread Starter
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Dunlop fans beware

The manufactures year was already discussed.

Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.



Last edited by 3-Nation; 08-03-2014 at 05:46 AM.
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post #29 of 37 (permalink) Old 08-06-2014, 07:33 AM Thread Starter
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Quote:
Originally Posted by rv6john View Post
Make sure you get the correct side oil. As you can see, the cap is on the left side so this is for left side stators.


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post #30 of 37 (permalink) Old 10-22-2017, 08:52 PM
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Common thread??

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Originally Posted by 3-Nation View Post
My buddy back in Cali had this happen.

This bike has never seen the track and he runs about an average pace in the canyons. The rear tire has a few tears in it.

He experienced but as you can tell by looking at the tire, he wasn't pushing them to the limit. And check out the wear bars. This tire still has a lot of meat left.

So maybe now all you q3 fan boys will listen to me when I say that Bridgestone>Dunlop

You've been warned.

Attachment 163354Attachment 163362

P.s. Yes he warmed them up. Yes they were at the correct psi. No he doesn't do burnouts. The date stamp was march of this year.
I am on my second rear q3 on my SV650S. Exact same thing on both rear tires. Went 10 track days on the first. Replaced it, not because the wear bars were reached, but just felt it was prudent after a year of trackdays.

No failures.

Did my 3rd trackday yesterday though this symptom appeared after the 2nd track day. I’m no riding genius obviously, not especially fast and ride a stock bike. The tires are not more than 6 months old, I run 30psi at the track. Air temp anywhere from 80-105 degrees. Only see the separation starting on one panel at the edges of the tread, just like this picture. The separation progresses as the use increases. I have a track buddy with the same bike and tire. His did the same. I am keeping a vigilant eye on it.

Love the grip but I am considering other options after this second experience. One bad tire I can accept. 3? On a 65hp machine? I must not be recognizing myself as a trackday cornering hero or there is something mechanically specific going on here.

Tire is a 160/60-17.

Last edited by Sportytoes; 10-22-2017 at 08:54 PM. Reason: Fixing spell correct error
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post #31 of 37 (permalink) Old 10-23-2017, 05:30 AM
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I bought a set of Q3's from Riders Discount online. Great price and shipped to my door.

I've put nearly a thousand miles, of spirited twisties- with lots of straight roads getting to and from the area of the good roads.

They feel great. After reading this thread though- I'll be keeping a closer eye!

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post #32 of 37 (permalink) Old 07-23-2018, 07:39 PM
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I got a set of Q3+'s about 3k ago and just the other day I noticed the same thing on my rear tire. Also, the left side of the tire is a little more worn than the right which I thought was weird. I'll be trying the Angel GT's next.
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post #33 of 37 (permalink) Old 07-24-2018, 07:14 AM
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Originally Posted by streetrider.77 View Post
I got a set of Q3+'s about 3k ago and just the other day I noticed the same thing on my rear tire. Also, the left side of the tire is a little more worn than the right which I thought was weird. I'll be trying the Angel GT's next.
I've been running Q3s and Q3+ tires for 8 years, and probably 25 sets, and have never had that issue. The small splits seem to pop up in the track groups every once in a while and Dunlap says it's not an issue. I've never heard of a failure. The best guess seems to be that the tire was stored at below freezing temperatures for some time.

There are plenty of Pirelli fans also.

The higher wear on the left side is not a tire problem.
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post #34 of 37 (permalink) Old 07-24-2018, 01:51 PM
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That happened to me once.. I kept riding it without issue.

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post #35 of 37 (permalink) Old 07-26-2018, 01:22 AM
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Dunlop

Would never ever run Dunlop tyres on anything. I have had nothing but really bad experiences with them from just standard road tyres that the rubber delaminated from steel belts to their Kart tyres that turned blue as they lost all the elastomer after one heat cycle and went hard. Their tyres are complete crap.

Other people may disagree but I have had nothing but great performance from Bridgestone. I have to say that with only two tyres to worry about the stock Bridgestone tyres will be replaced with the best rubber money can buy when they wear out.

The consensus here is something like the Pirelli DIABLO ROSSO™ CORSA would get the nod.

Last edited by Carlos67; 07-26-2018 at 01:27 AM.
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post #36 of 37 (permalink) Old 07-26-2018, 05:51 AM
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I ran Dunlops on the street and track for years. I really liked them. Highsided on a set of Bridgestone R10. Haven't tried Perelli yet, but I might have to.
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post #37 of 37 (permalink) Old 07-26-2018, 07:37 AM
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I ran Dunlops on the street and track for years. I really liked them. Highsided on a set of Bridgestone R10. Haven't tried Perelli yet, but I might have to.
Have you tried the Q3 or Q3+ on track?

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