Oversized tire update - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 63 (permalink) Old 04-27-2008, 04:53 PM Thread Starter
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Oversized tire update

Hey, Gang....

For those a bit skittish about this mod, or for those who may be considering it, I thought I would weigh in on my experiences with the increased tire sizes (as seen below in my signature) over stock, after 500 miles of riding on the new tires.

Let me first say that, there are no clearances issues with these upgraded sizes. If you try to have someone else put these sizes on, and they suggest that there are fitment issues, take your business elsewhere!!! I see no evidence of scuffing (or nearly so) on the tires, either from the fenders--or the swingarm.

The main advantage that I've experienced thus far is increased stability. Whether it's turning tight circles in a parking lot (scraping the pegs is that much easier, now!....), or cruising the interstate at 70+ mph, the bike just feels more stable.

Turn-in effort, if anything more, is negligible.

As Dianna (and perhaps others) have already mentioned, the bike is running at lower rpms for a given speed (I'd say 400 rpm, or maybe a little more).

I haven't checked for improved gas mileage over the factory sizes, nor have I been in the rain with the new treads, yet. So I can't offer any feedback there.

Anyway, for those facing the need for new tires, this upgrade seems to be a no-lose option, based on what I've encountered....

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/

Last edited by theauhawk; 04-27-2008 at 07:49 PM.
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post #2 of 63 (permalink) Old 04-27-2008, 05:12 PM
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This is good to hear. I have been a proponent of the larger front for years
(the 110), and was only told that a 170 would not fit....never had the chance to check it out myself.

More rubber on the road is always a good thing,

You wouldn't happen to have a photo of the two tires next to each other for comparison would you?

KM

If You Are Not Sure If I Am Joking or Not....I AM !!Photos:
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post #3 of 63 (permalink) Old 04-27-2008, 08:06 PM Thread Starter
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Sorry, no photos. I never thought of before/after, especially on the bike itself....

BTW: Now seems to be a good time to mention something else...

(Again) for those needing new tires soon--be sure to take full advantage of the fact that our bike uses tubeless tires.

When you order your new tires, also order/purchase two or three 8-oz bottles of "Ride On" tire sealant.

This stuff works with tubed tires--but even better with tubeless tires!

After you "break in" your new tires, add "Ride On" per the instructions that come with your order. It's actually pretty easy to install...

And no, I'm not an employed by, or in any way affiliated with, the parent company of "Ride On" sealant....

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/
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post #4 of 63 (permalink) Old 05-06-2008, 08:00 PM
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Did you have any issues getting the rear wheel back into the rear swingarm with the wider tire on it? Any notes about how you did it?

Darrel
'03 Vulcan 750 (90k miles)
-Corbin Seat
-V-Force Windshield
-LeatherLyke Touring Bags
-Chrome Luggage Rack
-Headlight Modulator
-Brakelight Flasher
-MF Battery
-Heads-Up Voltage Monitor
-Replaced Stator (9,000 and 16,000 mi.)
-Oil-cooled Stator Mod (photos)
-Replaced and Relocated R/R
-Greased rear splines
-Fused Stator (photos)
-Metzeler ME880 Marathon 170/80-15 (Rear), 110/90-19 (Front)
-TOC MCCTs installed
-Headlight Relays
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post #5 of 63 (permalink) Old 05-06-2008, 09:41 PM
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I did the samething to mine last summer. The rear tire was a little hard getting in but if you let the air out of the tire it slides right in. I've got about 1,000 miles on both tires and love the way they feel.

KEN ROD
1998 VN 750
VROC #26481
WILLIE AND MAX SLANT BRAIDED BAGS
R/R RELOCATED, WINDSHIELD
PAINTED RINGS AROUND GAUGES FLAT BLACK
NEW FRT TIRE DUNLOP 110/90 (4/07)
NEW REAR TIRE DUNLOP 170/80 (9/07)
VOLT METER (Knauck69 style)
NEW KEVLAR CLUTCH 2/08
Highway Pegs (Woodydh style)
Custom Cover for rear trunk hole

19082 MILES 2/08
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post #6 of 63 (permalink) Old 05-07-2008, 01:39 AM
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Quote:
Originally Posted by theauhawk View Post
Sorry, no photos. I never thought of before/after, especially on the bike itself....

BTW: Now seems to be a good time to mention something else...

(Again) for those needing new tires soon--be sure to take full advantage of the fact that our bike uses tubeless tires.

When you order your new tires, also order/purchase two or three 8-oz bottles of "Ride On" tire sealant.

This stuff works with tubed tires--but even better with tubeless tires!

After you "break in" your new tires, add "Ride On" per the instructions that come with your order. It's actually pretty easy to install...

And no, I'm not an employed by, or in any way affiliated with, the parent company of "Ride On" sealant....
*Sniff* *muffed sob*
I'm so proud of you!
You have learned well grasshopper!

Dianna
Conway, AR
Patriot Guard Rider
2000 VN750 Sere (Serendipity)
1990 GL1500 (Ole Blue)
1986 VN750 EVie (project bike, heavy custom)
VROC # 11628 / 25000-H
ARVROC # 12 Coordinator and Crowd Control
OKVROC # 18 (H)
TNVROC # 45 (H)
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post #7 of 63 (permalink) Old 05-07-2008, 08:41 AM Thread Starter
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Thanks, Dianna!....

Darrel, to answer your question: You may find that letting air out prior to mounting the tire helps; other that that, I don't remember any install complications.

For what it's worth: Metzeler fans--note that the tires that Yamaha (Star) is using for the slick new Raider....are Metzeler ME880s.

'05 VN750



For other bike pix & mods, go to:
http://s1203.photobucket.com/albums/...k/VN750%20pix/
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post #8 of 63 (permalink) Old 05-07-2008, 10:40 AM
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The front tire sounds like a nice upgrade. My only concern about the rear is the effect on the loads placed on the splines and other drive line components. Designers are always under pressure to keep cost effectiveness and over-engineering in mind. I wonder if Kawa had listed mods that would void the warranty. Of course, that's moot with our bikes now.

86' Vulcan, Stock & Lovin it!
Stator, R/R, splines lubed, ACCT's repl. at 25,200
Just turned 29,000 mi.

95' Vulcan, all stock, 9,700 mi.

John Spangler
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post #9 of 63 (permalink) Old 05-07-2008, 01:09 PM
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Also for those of you wondering - ME-880s are what OCC uses on most of their bikes (at least the ones on the show). I have them on my V-Star and I love em. If I hadn't gone with the Avon Venom-X tires, I probably would have put the MEs on my Vulcan, which is actually now **officially** my buddies Vulcan. tears, sniffles.

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post #10 of 63 (permalink) Old 02-24-2009, 09:01 PM
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Bumping this back to the top.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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