The member photo gallery is now integrated and live!!  All user albums and pictures have been ported from old gallery.


To register send an e-mail to admin@bmwr65.org and provide your location and desired user name.

Author Topic: Mounting tires... can't get bead to seat  (Read 3012 times)

AlfromNH

  • Guest
Mounting tires... can't get bead to seat
« on: February 13, 2014, 01:52:04 PM »
I have a new set of Bridgestone Battlax BT45s. I have both mounted without much fuss, but I can't get the beads to seat on either. I started with windex, my usual tire mounting lube, and also tried dish soap, both diluted and even straight from the bottle. About 30-45' on each side will not set, on both tires. I've filled each to 60+ psi.  >:(

Is this typical for snowflakes? Is there some trick?

Offline Barry

  • Mt. Olympus Resident
  • ****
  • Posts: 5145
Re: Mounting tires... can't get bead to seat
« Reply #1 on: February 13, 2014, 02:33:50 PM »
It's not untypical.

More pressure (maybe from a safe distance if that can be contrived) or remove the valve core and inflate the tire real fast from a compressor.

The more pressure and safe distance could be achieved by inflating to 60 psi and then putting it wheel out in the sun if you have such a thing at this time of year. If NH means New Hampshire I guess you don't have much more than we do.

I just bought 2 new tires for mine.  There's more than enough tread on my existing tires that I don't need to put them on for a while yet so they are safely tucked away vacuum wrapped in black plastic until the mythical sun returns.
« Last Edit: February 13, 2014, 02:53:18 PM by bhodgson »
Barry Cheshire, England 79 R45

AlfromNH

  • Guest
Re: Mounting tires... can't get bead to seat
« Reply #2 on: February 13, 2014, 03:13:44 PM »
Sun? It was sunny yesterday, but well below freezing so I guess that's not much help.  :(

Yes, I'm in New Hampshire. The one that's experiencing the umpteenth blizzard of the season.  >:(

Maybe I'll try a heat gun... :-?

Bob_W

  • Guest
Re: Mounting tires... can't get bead to seat
« Reply #3 on: February 13, 2014, 03:42:47 PM »
Some tires may be harder to seat than others. The area where the bead slides on the rim must be very clean, meaning no rough spots or anything else to interfere with seating.
Somewhere there is a maximum pressure to safely put in the tire. Good luck.
Bob

Offline Rob Valdez 79 R65

  • Newbie
  • *
  • Posts: 96
  • I Love YaBB 2!
Re: Mounting tires... can't get bead to seat
« Reply #4 on: February 13, 2014, 04:03:00 PM »
I have heard of putting a ratcheting tie down around the circumference of the tire and tightening it down, and down.

I have never changed a tire, myself.

Offline Luca

  • Newbie
  • *
  • Posts: 27
  • Taking my time as quick as I can
Re: Mounting tires... can't get bead to seat
« Reply #5 on: February 13, 2014, 04:42:39 PM »
The ratchet method works, although it's usually used on squat tires such as for hand trucks, atv's, or even big old boggers.  These tires have a hard time even contacting the rim and thus building up pressure.  The ratchet tiedown squeezes the tires out towards the beads.  Some folks even ratchet down and then spray ether inside before setting it off!

Be careful if you try using a ratchet tie down.  My brother snapped one (of mine) in half when he used it to mount a tire.

The heat gun will help, although I wonder how much uniform heating you can maintain with that method.  Setting the wheel near a wood stove or in a warm oven for a while might be easier.  Also, you could try getting yourself some genuine tire lube.  I bought a gallon jug years ago at NAPA and don't expect to need any more within the next few decades.  It was relatively inexpensive.

You could try lubing up the tire really well, inflating it to seating pressure, and then using the heat around the tire.  Sometimes they like to sit for a few minutes before they pop into place.
'82 R65LS
'01 K1200RS

Offline montmil

  • Mt. Olympus Resident
  • ****
  • Posts: 8371
Re: Mounting tires... can't get bead to seat
« Reply #6 on: February 13, 2014, 04:47:45 PM »
The tire beads of my Bridgestone Spitfires on my '81 R65 finally seated when I put 100psi in the tires and let 'em sit in the sun for about ten minutes. You'll definitely hear the beads take their seat! BTW, I run 'em tubeless.
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Offline Tony Smith

  • Mt. Olympus Resident
  • ****
  • Posts: 2331
  • Graduate, Wallace and Gromit School of Engineering
Re: Mounting tires... can't get bead to seat
« Reply #7 on: February 13, 2014, 04:51:27 PM »
Quote
I have heard of putting a ratcheting tie down around the circumference of the tire and tightening it down, and down. I have never changed a tire, myself.

Really only of use when mounting a tubeless tyre. Std snowflakes are not designed for, or approved for tubeless tyres. Yes, thousands of riders in hundreds of countries run them tubeless and experience no problems.

Just saying.......


What???? You have never changed a tyre yourself? You are no true motorcyclist until you have ridden a deflating or flat tyre 20 miles on a dark and stormy night for the sole purpose of finding a street light to use while you get your back wheel out, remove the roofing screw you picked up, dismount the tyre, patch the tube and then get on your way.

It is not a difficult task, Youtube abounds with excellent training videos.

Mind you. I'm nearly 60 now, if the scenario above where to happen now it would out with the mobile phone, call the road-side assistance service I am a member of, and book into the nearest motel to wait for the bike to be fixed. BUT, I know HOW to change a tyre, that's the important thing :-)

1978 R100RS| 1981 R100RS (JPS) | 1984 R65 | 1992 KLE500 | 2002 R1150GSA |

Offline montmil

  • Mt. Olympus Resident
  • ****
  • Posts: 8371
Re: Mounting tires... can't get bead to seat
« Reply #8 on: February 13, 2014, 05:00:39 PM »
The really important thing is to be sure your cell phone is charged.
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Offline Tony Smith

  • Mt. Olympus Resident
  • ****
  • Posts: 2331
  • Graduate, Wallace and Gromit School of Engineering
Re: Mounting tires... can't get bead to seat
« Reply #9 on: February 13, 2014, 07:35:55 PM »
Quote
The really important thing is to be sure your cell phone is charged.

I agree. How did we live in the days before mobile phones? Actually I need to fess up that my currently sleeping R100 has, over the years sprouted USB charging points for keeping phones, intercom, GPS,
MPS players charged, I've even fitted the poor thing with a very small and discreet CB radio - the phone, GPS, CB and MP3 player all play nicely with a Scala intercom/phone/mp3 device.

The one problem I do have is trying to manipulate fiddly controls with gloves on. I have found the solution - and have ordered from here as a late Christmas present to myself.
https://www.beartekgloves.com/
 
They tell me that they can control anything with a bluetooth interface that accepts "standard" remote control instructions. Woo hoo!

"No officer, I was not making a rude gesture at you, I was trying to turn up the volume of "Black Magic Woman" using my bluetooth control gloves." That will be interesting.

1978 R100RS| 1981 R100RS (JPS) | 1984 R65 | 1992 KLE500 | 2002 R1150GSA |

Offline Rob Valdez 79 R65

  • Newbie
  • *
  • Posts: 96
  • I Love YaBB 2!
Re: Mounting tires... can't get bead to seat
« Reply #10 on: February 13, 2014, 11:48:42 PM »
Quote
Quote
The really important thing is to be sure your cell phone is charged.

I agree. How did we live in the days before mobile phones? Actually I need to fess up that my currently sleeping R100 has, over the years sprouted USB charging points for keeping phones, intercom, GPS,
MPS players charged, I've even fitted the poor thing with a very small and discreet CB radio - the phone, GPS, CB and MP3 player all play nicely with a Scala intercom/phone/mp3 device.

The one problem I do have is trying to manipulate fiddly controls with gloves on. I have found the solution - and have ordered from here as a late Christmas present to myself.
https://www.beartekgloves.com/
 
They tell me that they can control anything with a bluetooth interface that accepts "standard" remote control instructions. Woo hoo!

"No officer, I was not making a rude gesture at you, I was trying to turn up the volume of "Black Magic Woman" using my bluetooth control gloves." That will be interesting.

Those are very cool gloves!  They deserve a thread of their own - not buried in some thread about mounting tires.

AlfromNH

  • Guest
Re: Mounting tires... can't get bead to seat
« Reply #11 on: February 14, 2014, 09:38:56 AM »
Thanks for all the suggests, guys. My tire chuck is the type with the center pin that needs to be depressed to flow air, so I can't fill the tire without the core. I'm going to get a better chuck today and try tht method.

Another note: I just noticed my rear tire is labelled "BT-45R", the front is simply "BT-45". R doesn't mean radial, does it?

Offline Matt Chapter

  • Lives at Base of Mt. Olympus
  • ***
  • Posts: 576
  • <insert witty remark here>
Re: Mounting tires... can't get bead to seat
« Reply #12 on: February 14, 2014, 09:43:19 AM »
Quote
Another note: I just noticed my rear tire is labelled "BT-45R", the front is simply "BT-45". R doesn't mean radial, does it?

Answered your own question there, so I'll just point it out for you: R = rear.
'04 R1150 RT ~41000 miles
'86 R65 / '84 motor ~72000 miles. SS lines, Spiegler rotor, Progressive monoshock, Keihan silencers, a piece of Pichler fairing.
'76 CB400F ~26000 miles. non-runner!

Offline Ed Miller

  • Mt. Olympus Resident
  • ****
  • Posts: 2425
Re: Mounting tires... can't get bead to seat
« Reply #13 on: February 14, 2014, 11:08:16 AM »
This time of year I put my tires in on a shelf of my chimney, which is well-heated by my wood stove.  Sometimes I have to displace a cat, as they love those chimney shelves.  
Ed Miller
'81 r65
Falls City, OR

Offline DanMay

  • Newbie
  • *
  • Posts: 36
Re: Mounting tires... can't get bead to seat
« Reply #14 on: February 14, 2014, 07:04:13 PM »
I just went through the same exercise today.  It took 130 psi to finally get the front tire (a Heidenau) to bead.  Even at 100 psi and in front of a fireplace for a week it would not bead.  I used a lot of dish soap...