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Old 03-18-2012, 10:17 PM   #1
buildit OP
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Shinko 705 coming apart

Well, you get what you pay for they say. But I am really glad I caught this before it made for more excitement than I want in a given ride.

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Old 03-19-2012, 04:17 AM   #2
Wolfgang55
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OUCH or worst maybe

What PSI were you running.
I ask because I have the same tire & size on my r12gs & run 42 in the rear.

Glad you saw this problem before your ride.

Keep us in touch about what the supplier has to say or do for you.
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Old 03-19-2012, 04:56 AM   #3
buildit OP
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Originally Posted by Wolfgang55 View Post
What PSI were you running.
I ask because I have the same tire & size on my r12gs & run 42 in the rear.

Glad you saw this problem before your ride.

Keep us in touch about what the supplier has to say or do for you.
I ride a lot of gravel and back roads so normal is 30-34.
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Old 03-19-2012, 05:10 AM   #4
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What was the tires load rating?

http://www.motorcycleanchor.com/moto.../mc_tires.html

All it really takes is 1 good run being overloaded to start the delamination process. (Note: I'm not insinuating anything here on your part)

I've run Shinkos (several models now) quite a few times now but, never on anything over a 650, without any problems.
Seems like it's really only the guys with larger more powerful bikes that are having problems.
I posted the above link (scroll down for load ratings) to help you maybe, find a cause.

From what I've read in regards to the specs for your bike, it's wet weight is around 520lbs and the stock tires are 150-7-17R rated.
With the Shinkos you put on being 150-70-17H rated (from what I know of Shinkos in that size) that only gives you around 250 lbs that you can carry on your bike (including yourself) because the shinko is only rated for 716 lbs. (to,point out one obvious rating diff)
Note: I'm not taking front to rear weight bias into consideration for the bike, for safety sake. I'd suggest putting the rear tire/bike on a scale with you on it to get a feel for how close you are in actuality being near the tires load limit.
Keep in mine, the load limit rating is based on Shinkos suggested inflation pressure for this tire, not what's on your swingarm.
You have lots of variables to look into (and so does everyone else here) before we start to blame the tire company.
Again...no insinuations here, just trying to be rational before this turns into a tire bashing thread.

Best of luck with your situation.

rivercreep screwed with this post 03-20-2012 at 04:42 AM
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Old 03-19-2012, 07:02 AM   #5
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There's not a tire made on the market that hasn't had a problem at some point. Google is full of pictures of torn up Michelin Pilot Powers and I don't think anyone would regard that as a shit tire. I wouldn't be so quick to count this as a low quality tire issue.
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Old 03-19-2012, 07:14 AM   #6
SteelB12
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Rivercreep might be on to something. On my KLR I have had no problem with several rear 705s. Maybe that's just too much bike for the tire?
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Old 03-19-2012, 02:43 PM   #7
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Originally Posted by SteelB12 View Post
Rivercreep might be on to something. On my KLR I have had no problem with several rear 705s. Maybe that's just too much bike for the tire?
Sounds like it. I have two friends with GS1200's and both have had them come apart around the same milage but agree they are great tires when new for grip and overall performance.
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Old 03-19-2012, 05:30 PM   #8
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If anyone wants to get rid of their crappy Shinko 705's, I'll take care of disposal for you, specifically the 150-70R-17 and 110-80R-19...
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Old 03-19-2012, 05:33 PM   #9
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Quote:
Originally Posted by Flashmo View Post
If anyone wants to get rid of their crappy Shinko 705's, I'll take care of disposal for you, specifically the 150-70R-17 and 110-80R-19...
And if you're too far from him, I'll take them too

They work great for me on the V-Strom; I'm about to replace the rear after about 7,000 miles of mostly high-speed pavement. Sure, other tires might last longer but these are cheap.
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Old 03-19-2012, 06:31 PM   #10
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Thumb

Luke,
Your A Beast !
Good video on a speed change though, for a big guy you move pretty well.
Ride safe all,
Greg
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Old 03-19-2012, 07:02 PM   #11
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Hey Buildit, if you could, please post the tire size, all numbers and letters included, the maximum air pressure, and the DOT number.

I suspect, as has been suggested, that you've got a tire that is not rated for the weight and power of your Strom. I do tires for a living, and having some of your info might help.
No blame or anything being assigned here, just looking for points of information. I run 705's on my KLR and have had nothing but great luck with them. The failures have had a pattern of being on bikes designed to run radial tires at higher speeds and weights than the bias-ply Shinkos are built for.
I went to my local shop today and saw a 150/70R-17 705, and it seemed to me that the tread depth was less than the 130/90-17 that I run. I won't know for certain until I get a gauge on both tires. The shallower grooves would allow the radial to run cooler, increasing tire life.

Thanks!
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Old 03-19-2012, 07:28 PM   #12
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Originally Posted by Bigger Al View Post
Hey Buildit, if you could, please post the tire size, all numbers and letters included, the maximum air pressure, and the DOT number.
Thanks!
Here it is :

MST Shinko Trail Master E-705 Dot H6PKJE 150/70-17 M/C 69Q
Max load 325 Kg (717lbs) @ 33PSI
Sidewall 3 Nylon
Tread 3 Nylon


-Let me know what you find.
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Old 03-19-2012, 07:34 PM   #13
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This is exactly what happened to my 705 two years ago on the 2nd day of what was to be a week long trip.

TravelGuy

Quote:
Originally Posted by buildit View Post
Well, you get what you pay for they say. But I am really glad I caught this before it made for more excitement than I want in a given ride.

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Old 03-19-2012, 07:43 PM   #14
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Originally Posted by TRAVELGUY View Post
This is exactly what happened to my 705 two years ago on the 2nd day of what was to be a week long trip.

TravelGuy
That would suck. I was lucky that I was only doing a ride into Columbus to visit friends and my friend I was riding with was a little late which gave me time to look over the bike a little closer as I loaded it up.

I may try a gripster when this Shinko goes south. I think they make gripsters for the strom. Okay, now I need to go look.
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Old 03-19-2012, 07:54 PM   #15
Bigger Al
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Quote:
Originally Posted by buildit View Post
Here it is :

MST Shinko Trail Master E-705 Dot H6PKJE 150/70-17 M/C 69Q
Max load 325 Kg (717lbs) @ 33PSI
Sidewall 3 Nylon
Tread 3 Nylon


-Let me know what you find.
That tire is indeed the bias-ply version of the 705. If I'm not mistaken, the V-Strom came equipped with radial tires that have both higher speed and load ratings.
I'll check at the local shop tomorrow and get the specs off of the tire they have.

The DOT number should have either 3 or 4 more digits at the end, which denote the week and year of manufacture. Some tires have DOT codes on both sidewalls, but only one lists the date. An example: DOT H6PKJE 0809, which would denote that the tire was built during the 8th week of 2009.

I'm glad that the tire didn't come completely apart while you were riding.

You might want to contact Shinko USA about this issue and see if your tire falls under a recall notice. You might be eligible for a replacement radial version. It's worth a shot.
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