October 7th, 2019, 05:35 PM | #1 |
ninjette.org member
Name: David
Location: Mexico
Join Date: Sep 2017 Motorcycle(s): 2010 Kawasaki Ninja 250R, 99' Suzuki Katana 600 (RIP) Posts: 95
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130/70/17 Or 140/70/17
Hi guys i have a question about the size of the tires, my rear tire is old and i want to buy a new michelin pilot street, but i saw time ago some post of another users telling that they put a 140 rear tire, you guys know what is the difference about a 140 from a 130?
Lose speed? better grip? have more speed? sorry for this poor post |
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October 7th, 2019, 06:14 PM | #2 |
ninjette.org sage
Name: Kevin
Location: Portland, OR
Join Date: Oct 2013 Motorcycle(s): Ninja 250R, Tiger 800 XRT Posts: 828
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It'll be a little less maneuverable with a 140. Otherwise, pretty much no difference.
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October 8th, 2019, 12:37 AM | #3 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
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No difference. Maybe heavier steering and not as responsive.
Squeezing wide 140mm radial onto narrow rims causes some nervousness at limit. You'll end up with 5-10mm unused stripe on edges of 140 tyre, so effectively you'll be using only 130mm of it anyway. You'll want to retrofit Ninja 300 4.0" rear wheel in order to make most use of 140 tyre. Many, many reports of Ninja 400 racers going from 150 to 140 tyre for improved handling. That's because Kawasaki didn't upgrade 400's rear-wheel from Ninja 300's 4.0" width. So 150 tyre just doesn't work on that narrow of rim. Last futzed with by DannoXYZ; October 8th, 2019 at 02:22 AM. |
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October 8th, 2019, 06:18 AM | #4 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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Another oddity is that if the wider tire is made for a wider rim and you put it on the rim size for the narrower tire, it may not end up any wider at all. I had that happen once when I tried a 130 tire in place of a 120 on my Guzzi, and measuring it with a caliper they were within a few thousandths of an inch of the same.
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October 8th, 2019, 12:22 PM | #5 |
Socially inept. Yet FUN!
Name: C
Location: Houston Tx
Join Date: Oct 2015 Motorcycle(s): Current machines- 1992 SECA II 600, 2006 Ninja 250, 2008 Ninja 250 Posts: 231
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To cut to the chase on installing a wider rim tire, onto a thinner rim is SAFETY. The air pressure you need to get it to seat, is much, MUCH higher, than what the tire is rated. (Maybe not every single time, or application. ) I used to run a 150 tire for a 4.0 rim, onto a 3.5 rim. (Stock tire was 130) No shop would mount it for me. Was never told why. (I wish they did.) So I did it myself, at my job, after hours.
I did this often. Had I been aware of the danger, I wouldn't have done it. Not worth the risk. I get the conversation about going to a wider tire, for same rim width. Just alerting you that, you really don't want to squeeze a wider rim tire, to a thinner rim. Last futzed with by GAU-8; October 8th, 2019 at 01:47 PM. |
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November 6th, 2019, 01:12 PM | #6 |
ninjette.org newbie
Name: Ken
Location: Sacramento
Join Date: Apr 2014 Motorcycle(s): 2009 Ninja 250R Posts: 4
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I liked the 140 on my 2009 250r.
Shop put it on without any special notes or warnings. Previous tires were the IRC Winners and the Pilot streets took a little getting used to. The pilot streets seemed to me to respond quicker than the IRC so at first it felt loose. Turned out I was putting more input into the IRCs and the pilot streets didn't need it. I also lost that feeling of wind trying to blow bike from under me. Really like the pilot streets and only went to the 140 because no one seemed to stock the 130.
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November 6th, 2019, 02:46 PM | #7 | |
ninjette.org guru
Name: Pat
Location: SW VA
Join Date: Feb 2015 Motorcycle(s): 286, 296, 599, 799 Posts: 436
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Quote:
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November 6th, 2019, 10:02 PM | #8 |
ninjette.org member
Name: John
Location: New Windsor
Join Date: Nov 2019 Motorcycle(s): GSXR 750, GSXR 600, Ninja 400, Ninja 300 Posts: 146
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140 Michelin RS
I have a 2011 250R and I was planning on going with the Michelin RS front and rear. The Michelin RS works awesome on my Ninja 400, I have the 150 on the rear. A few of my track friends have the 140 rear on the 400 for even quicker steering. Do I need to pick up a used 300 rear for the 250 in order for the 140 to fit and work properly? Does the 300 rear bolt on without issue on the 250?
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November 6th, 2019, 10:21 PM | #9 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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yes
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November 7th, 2019, 11:27 AM | #10 | |
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Name: Genesis
Location: Paradise Valley Village, AZ
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Quote:
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November 7th, 2019, 05:10 PM | #11 |
ninjette.org member
Name: John
Location: New Windsor
Join Date: Nov 2019 Motorcycle(s): GSXR 750, GSXR 600, Ninja 400, Ninja 300 Posts: 146
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Thanks, I will def get the 140/17 and probably the n300 rear as well!
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