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General Category => General Discussion => Topic started by: Kiwi_Roy on April 30, 2022, 11:02:46 PM

Title: Front, rear or Does it Matter?
Post by: Kiwi_Roy on April 30, 2022, 11:02:46 PM
I just got back from Aotearoa (Land of the Long White Cloud) where I have half share in a MG Roamer.
While I was riding I discovered the original rear tire was completely worn out 11,000 KM (canvas showing), being Easter with everything shut I had to wait until Tuesday before I could locate a new 150-80 x 16 Tyre, it seems like this is an unusual size, none of the local dealers had one in stock, it had to be ordered in. I settled on a Pirelli MT66F 150-80-16-F
When I picked it up imagine my surprise when this large tire only had an arrow for front mounting. Because I was due to fly out in 2 days instead of leaving the bike with no rear tire I elected to use this tire on the rear. It certainly looks like a rear tire.
I'm wondering what the implications could be down the road.

Image
https://duckduckgo.com/?q=pirelli+MT66F+front+tire&t=osx&iax=images&ia=images&iai=https%3A%2F%2Fi.ebayimg.com%2Fimages%2Fi%2F123077212056-0-1%2Fs-l1000.jpg
Title: Re: Front, rear or Does it Matter?
Post by: jacksonracingcomau on May 01, 2022, 12:09:46 AM
Just fit arrow backwards
Loads are opposite front to back (braking v acceleration)
Title: Re: Front, rear or Does it Matter?
Post by: Tom H on May 01, 2022, 12:41:20 AM
If I HAD to fit a front tire on the rear. I would have it fitted revers of the front rotation arrow. The inside is supposedly built for it to turn one way under load. Now if for some reason the tread pattern looked way off, I may do different.

There are tires that can be front or back. They are marked with 2 arrows and marked front or back.

I would ride it as needed. I would likely change it to a correct direction tire shortly.

Tom
Title: Re: Front, rear or Does it Matter?
Post by: Kiwi_Roy on May 01, 2022, 01:35:36 AM
Just fit arrow backwards
Loads are opposite front to back (braking v acceleration)

If I HAD to fit a front tire on the rear. I would have it fitted revers of the front rotation arrow. The inside is supposedly built for it to turn one way under load. Now if for some reason the tread pattern looked way off, I may do different.

There are tires that can be front or back. They are marked with 2 arrows and marked front or back.

I would ride it as needed. I would likely change it to a correct direction tire shortly.

Tom

Yes, I did that, I am familiar with the tires with arrows in both directions this is the first I have seen with only one arrow.
I think it may have been intended as a front for a heavy bike like a Harley so perhaps it will be fine on the V9 with limited weight and power.
Thank-you Gents for the input
Roy
Title: Re: Front, rear or Does it Matter?
Post by: pete mcgee on May 01, 2022, 03:11:13 AM
WTH uses that size tyre on the Front?
Title: Re: Front, rear or Does it Matter?
Post by: Scout63 on May 01, 2022, 06:03:28 AM
My wife says it matters greatly...
Title: Re: Front, rear or Does it Matter?
Post by: egschade on May 01, 2022, 06:12:15 AM
Kiwi, I think you are correct regarding the weight and power of a V9 not being particularly hard on a tire. Might be a good idea to check load ratings and such to make sure the tire is in spec. If you're at all uncomfortable with it, order in a proper rear tire and keep the current one as a spare.
Title: Re: Front, rear or Does it Matter?
Post by: John A on May 01, 2022, 12:34:24 PM
In Ambassador days it was accepted practice to put a new steering tire on and move the old tire to the back, reversing the direction.
Title: Re: Front, rear or Does it Matter?
Post by: Moparnut72 on May 01, 2022, 10:02:19 PM
In the old BMW /2 days you could rotate wheels front to back. Both wheels were splined so they could be switched.
kk
Title: Re: Front, rear or Does it Matter?
Post by: Huzo on May 01, 2022, 11:11:13 PM
 
My wife says it matters greatly...
  :wink:
Title: Re: Front, rear or Does it Matter?
Post by: Kiwi_Roy on May 02, 2022, 06:34:17 AM
Thanks for all the response, I may never see this bike again, it will probably end it's days parked in my Bro's garage with 11k on the clock.
The V9 is a nice bike but i'm glad I chose a V7

WTH uses that size tyre on the Front?
Harleys apparently if you look at the image I posted.

It's an ugly looking tire, I would never have chosen it by choice.