Will a bigger tire fit? - Kawasaki Versys Forum
 
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post #1 of 20 (permalink) Old 08-02-2012, 07:36 PM Thread Starter
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Will a bigger tire fit?

Will a 180/55-17 rear fit? I like the look of a wider rear tire.

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post #2 of 20 (permalink) Old 08-02-2012, 08:41 PM
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I have that size on mine, fits just fine.


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post #3 of 20 (permalink) Old 08-02-2012, 09:33 PM
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I would be surprised if putting a 180 on the rear didn't have negative effects on handling. A 180 on that rim would have the sidewalls pinched together, thus changing the profile and contact patch. Plus the bike would probably turn slower.

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post #4 of 20 (permalink) Old 08-02-2012, 09:54 PM
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Post a picture if you have a wider tyre fitted and that might give the actual contact patch of the tyre for us to make a call/judgement.

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post #5 of 20 (permalink) Old 08-02-2012, 10:43 PM
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Quote:
Originally Posted by ceewilli View Post
Will a 180/55-17 rear fit? I like the look of a wider rear tire.

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Sorry, but you won't actually get a noticeably wider tire by putting it on a rim designed for a 160. That's because the tire will be "pinched". That is, it will have to curve around more than it was designed to, to fit on the narrower rim. This changes the tires design profile. The contact patch will not be any bigger either because there will be near vertical tread on the sides with the extra curvature. If you want to put on a 180 I would suggest first installing a wider rim.
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post #6 of 20 (permalink) Old 08-02-2012, 11:18 PM
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Stock 4.50" wide rim is ideal for a 160/60-17 tire, and a 5.00" rim is also applicable (acceptable). The 4.50" rim is also applicable for a 170/60... Recommended rim for a 180/55 is 5.50" wide, with 6.00" also applicable.

http://www.stevenott.com/draft5751.pdf

http://www.dunlopmotorcycle.com/tire.../roadsmart-ii/

180/55 might 'fit', but it should not be fitted to our 4.50" rim... You would however be fine with a 170/60-17. Compare actual width which does vary between different tire brands and models.

Last edited by invader; 08-02-2012 at 11:52 PM.
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post #7 of 20 (permalink) Old 08-03-2012, 05:26 AM Thread Starter
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Doing the math the 180/55 only puts the height of the tire .3 taller than a 160/60. A 170/60 is actually taller than (on paper) than a 180/55. The 180/55 has less sidewall height.

However, I see your point about the 4.5" rim width possibly making the tire bulge at the top more. I don't have a picture, just about time to replace the rear tire and I like a meatier looking tire.

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post #8 of 20 (permalink) Old 08-03-2012, 07:38 AM
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With Dunlop's Roadsmart II for example, a 160/60-17 has a diameter of 24.89".
180/55 = 24.81" (- 0.08")
170/60 = 25.08"(+ 0.19")

Last edited by invader; 08-03-2012 at 07:40 AM.
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post #9 of 20 (permalink) Old 08-03-2012, 08:13 AM
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For what it's worth....My Mechanic at Macomb Powersport and I had a long conversation
about this tire size thing.

In the end he said ' I'll gladly sell you a larger tire but it will effect handling in that it will slow down handling responsiveness'.
In fact...He said sport bike riders more often than not have the 190 series tires swapped out for 180's before taking delivery of a new bike. The reason being they want more predictable handling and a larger contact patch!
Bike dynamics being what they are and tires being so bloody important ( we only get two )....The final word was to trust the engineers that make the bike.
Makes sense to me....( I would never buy a bike from a car manufacturer LOL)
But he was happy to take my (extra) money but he really didn't recommend it!

So I'll stick with the Kawi-spec size...Who knows better than the company that made the bike...and I don't have that kind of cash to experiment.


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Last edited by stagehand38; 08-03-2012 at 08:20 AM.
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post #10 of 20 (permalink) Old 08-03-2012, 09:18 AM
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All I know for sure is this, I have the 180/55 on the rear of my bike. As far as the handling, looks, and technical stuff goes, my bike doesn't exhibit any ill handling traits for my riding and looks almost identical. As for it being spec'd for the bike, no its not. I've got 4000 miles on it with several more to go. I will try to post some pics after work.


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post #11 of 20 (permalink) Old 08-09-2012, 07:21 AM Thread Starter
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TUCK 923- Got any pictures?
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post #12 of 20 (permalink) Old 08-09-2012, 08:05 AM
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Hey Tuck,
So if everything looks and fits right and no perceptible change in handling...
...What's the benefit?


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post #13 of 20 (permalink) Old 08-09-2012, 04:08 PM
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I don't know if there is any real benefit. I have that size because my local shop sold, mounted, and balanced it for $160. I was in and out in about 45 minutes. Plus it was the only size he had. So I would have to say the benefit for me was convenience. The tire is a Conti-Motion and 80% of my miles are the 60 mile round trip to work. Cheers

Tire has 3k miles on it in the pic.

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post #14 of 20 (permalink) Old 08-09-2012, 04:27 PM
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Well...there ya go.
Thanks for the info and the bike is lookin' awesome!


BTW, One of your photos got me to thinking about 'my' "chicken-strips"... just checked my Conti's and only an eighth inch! LOL
Love my Conti's too.
Peace.
Carl..the stagehand!

PSS...I knew there was something 'just not right' about your "V"!
Black wheels/Red bike!
Post a couple of full pics please....looks rockin'.


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post #15 of 20 (permalink) Old 08-09-2012, 04:53 PM
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Commuting produces nice chicken stripes for sure! Posted a few more pics. Enjoy!


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post #16 of 20 (permalink) Old 08-09-2012, 07:53 PM Thread Starter
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That looks great Tuck! So no negatives about running that size right? To me that tire profile just looks meaner!

Thanks for posting.
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post #17 of 20 (permalink) Old 08-09-2012, 09:03 PM
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I have had "zero" problems with my tire. 👍


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post #18 of 20 (permalink) Old 08-09-2012, 09:12 PM
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I run a 170 and like the extra hight. Smooths out some bumps and to me, is more stable in fast sweepers. Btw, tire size isn't always as advertised. My Shinko 005's measured out at 180 and the Conti motion's come in at 168. I have a few good pics of the Shinko's in my gallery, they do look good.

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post #19 of 20 (permalink) Old 08-10-2012, 06:40 AM
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I like a fat tyre as much as the next man. However, if you were ever to make an insurance claim after an accident of any sort (you to blame or not) I think the insurance assesor could void the policy due to an unapproved oversize tyre fitment. They could quite easily blame a 'handling' accident on that oversize tyre. Sorry, just a thought....
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post #20 of 20 (permalink) Old 08-10-2012, 07:04 AM
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Quote:
Originally Posted by zedseven50 View Post
I like a fat tyre as much as the next man. However, if you were ever to make an insurance claim after an accident of any sort (you to blame or not) I think the insurance assesor could void the policy due to an unapproved oversize tyre fitment. They could quite easily blame a 'handling' accident on that oversize tyre. Sorry, just a thought....
True!! In that case, an insurance company could void your policy for almost any modification done to a bike that they deem "unapproved". My motocentric sport luggage, fully loaded, affects the handling of my bike way more than my oversize rear tire does. It is something to think about for sure.

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