November 17th, 2009, 09:26 PM | #1 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
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Wide rear tire
I have a 130/90-16 on the back of my bike. I believe that this is as wide as you can go on the pre-gen.
Has anyone put a wider tire on the back and if so how close is it to the swing arm? Mine is very close with the 130. Pics of how it fits would be nice as well. Thanks in advance. |
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November 17th, 2009, 10:36 PM | #2 |
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Name: addy126
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Rick... I need to eventually replace my rear Pirelli... of course it took a screw the 1st month I had it. Plugged the offending hole for now. Have you found more road contact with the wider tire and steadier? The Pirelli stock size still seems somewhat slender on the freeway and the odd "pavement crack" grabs it and you feel the slip/slide deal. I want to upgrade the size on the 2009. I'm thinkin the 140 they don't seem to be suffering from "rim pinch" as some say it would.
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November 17th, 2009, 11:09 PM | #3 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
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addy126...When I switched from the stock tires to the slightly wider Pirelli Sport Demons the contact patch was not measurably larger but the tire was much firmer and stickier. The Pirellis made the bike handle much better in the twisties.
From what I have heard from new-gen riders that have intalled 140 and 150 tires, they say the bike handles well with the wider tires. For me going with wider tires is more for looks than performance. To answer the person that is going to ask "why do you want to go wider?" My answer is that if it can be done than why not? Mods are what make our bikes unique and a personal statement. |
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November 18th, 2009, 05:44 PM | #4 |
ninjette.org sage
Name: A
Location: Long Island, NY
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Do you have a pic from the rear of the 130/90 sport demon? I saw a guy with a pregen with a WIDE ASS tire on the back.. looked pretty cool.. even on the stock wheel... but IMO it wasnt safe....
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2000 Honda CBR600F4 Silver and Red 1999 Kawi Racing Green Ninja 250 sold |
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November 18th, 2009, 06:54 PM | #5 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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hey fellas this rim was made for a 120/80-16 ....so a 130/90-16 is the limit...and please don't buy radial's
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QTRltrPWR |
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November 18th, 2009, 07:02 PM | #6 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
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Thats what I was afraid of...thanks Nate.
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November 18th, 2009, 07:18 PM | #7 |
Join Date: Nov 2008 Posts: Too much.
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November 18th, 2009, 11:08 PM | #8 |
ninjette.org certified postwhore
Name: addy126
Location: Tx
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Rick... on my 2007 pregen I upgraded the stock tires to the Pirelli sp demon. There was very noticeable positive difference in the handling for grip and rolling on many different road surfaces. Not so much on the new gen's and the Pirelli sp. demons. I'm thinkin its basically the tire profile... thus a little wider on front and back should give me the contact patch and grippiness I'm more comfortable with. Looks, sure it helps esthetically I agree, but I also want that performance that is not quite there yet. Oh and have a great upcoming weekend!!! I've been remiss in telling you this lately
Last futzed with by addy126; November 19th, 2009 at 09:33 AM. |
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November 19th, 2009, 03:38 PM | #9 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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well your new gen wheel was probably intended for a radial...i'll see if i can find the info i'd read before on the bias ply vs. radial issue...i remember it was about the with of the rim being the issue..a radial needs a wider rim vs what a pre gen has
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QTRltrPWR |
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November 19th, 2009, 03:42 PM | #10 | |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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Quote:
http://faq.ninja250.org/wiki/Tires_101:_An_Introduction
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QTRltrPWR |
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November 19th, 2009, 03:47 PM | #11 |
Join Date: Nov 2008 Posts: Too much.
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the new gens come with bias ply tires from the factory, too. what does that mean?
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November 19th, 2009, 04:09 PM | #12 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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yeah i wish i had a wider rim.....know how wide a new gen is offhand?
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QTRltrPWR |
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November 19th, 2009, 04:17 PM | #13 |
Join Date: Nov 2008 Posts: Too much.
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2.75" front, 3.5" rear.
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November 19th, 2009, 04:23 PM | #14 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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aw thats why...i remember reading some math wiz's post and he pretty much said the 2.5 pre gen rim was around a inch too narrow
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November 19th, 2009, 04:25 PM | #15 |
Join Date: Nov 2008 Posts: Too much.
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well, you could use a 120 radial in the back.
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November 19th, 2009, 04:35 PM | #16 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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nope the rim still would't be wide enough
I do run a bias ply 120 currently though Hey Alex think this may be a more tech type topic?
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QTRltrPWR Last futzed with by nate-bama; November 19th, 2009 at 06:10 PM. Reason: I;m a little slow |
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November 23rd, 2009, 04:40 AM | #17 |
Humble Observer
Name: Truong
Location: Augusta, Maine
Join Date: Mar 2009 Motorcycle(s): 2009 Yamaha XT250 Posts: 612
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The pregen's factory rear tire is 130/80-16. This is according to the owner's manual and every source i can find. Where is the size listed as 120/80?
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Everything I post is "IN MY HONEST OPINION". Why is "Parking Lot Enduro" not a thing? |
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November 23rd, 2009, 01:55 PM | #18 |
North Alabama Mtn. ryder
Name: Nate
Location: Alabama
Join Date: May 2009 Motorcycle(s): 2006 Posts: 537
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the bike came with the 120/80-16 for the first years 86-88...they didn't change the rim on the re do just fattened the tire up
well never mind here's the pre gen good book.... http://faq.ninja250.org/wiki/Do_120-...on_the_rear%3F
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November 23rd, 2009, 05:05 PM | #19 |
ninjette.org certified postwhore
Name: Rick
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I have grown to like my Pirelli Sport Demon 130/90-16 and will stick with that tire.
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November 24th, 2009, 10:43 AM | #20 |
ninjette.org member
Name: Allan
Location: SF Bay Area
Join Date: Sep 2009 Motorcycle(s): Ninja 250 F17 Posts: 73
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November 25th, 2009, 03:03 PM | #21 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
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Great video Allan.
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November 26th, 2009, 10:22 PM | #22 |
ninjette.org sage
Name: Chris
Location: Huntsville, AL
Join Date: May 2009 Motorcycle(s): 2009 Ninja 250 (sold) Posts: 755
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Those dudes got mad skillz.
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February 15th, 2010, 09:30 AM | #23 |
ninjette.org member
Name: A
Location: VA
Join Date: Feb 2010 Motorcycle(s): 250 Posts: 14
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I've run the 120/80, 130/80 and 130/90. Going from the 130/80 to 120/80 felt a little strange but I think it handles great. A 2.5" rear rim like the 250 wasn't designed for wider tires. You are only ADDING rotating weight (and in the worst place too no less) to an already anemic bike! Heard good things about the Sport Demons but even near the rev limiter in 6th leaned over dicing it up with buddies on 600s and 1000s the MT75 did me fine, stock suspension but I'm light.
A.
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