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Thread: Snowflake rear wheel & Michelin Pilot Active, 4.00 x 18

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  1. #1
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    Snowflake rear wheel & Michelin Pilot Active, 4.00 x 18

    Has anyone ever had a problem getting a Michelin Pilot Active, 4.00 x 18 tire (using a tube) to fit on a Snowflake rear alloy wheel?

    I purchased two new tires for my R100/7 and the front went perfectly. Over the years, I have changed dozens of tires, so I have had experience. However, on this one I am stumped.

    The rear tire will not fully seat in the rim. About 8 to 10 inches of the "seat bead" (on both sides) will not pop out as it is supposed to. I have used pretty high pressure to get it out, in fact, up over 60 lbs., along with "soap & water" lubricant. I also on my way home I had the wheel/tire in the trunk of my car, and stopped by a large motorcycle dealer that sell nearly every brand except BMW, and asked them for advice. Thinking they could help, they offered to look at it. They tried, using regular tire lube, but couldn't get the tire to seat either.

    Both of us were afraid to use more pressure.

    Any help or advice from experience?

    Thanks

  2. #2
    Vern 12907's Avatar
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    Did you remove the valve stem core? This will allow a higher volume of air into the tire. That and straight dish soap, if you don't have a commercial lube, and more air will pop any bead. We always had success with this set up.
    Have fun & Ride safe, Anthony
    '83 R100RS
    '03 GL1800A
    '99 KLR 250

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    Have you done this with tube-type wheels/tires?

    Have you done this with tube-type wheels/tires?

    I just went through two brand new tubes! And...for SURE, they were not pinched when installed!

    I am going to try this next: take the tire completely back off, and clean up and maybe even polish the inside of the rear wheel to see if it can be that that is causing the problem.

    In my mind, the tire is just too tight - maybe it needs to be this tight for a tubeless installation, but where one needs a tube, this is ridiculous.

  4. #4
    Vern 12907's Avatar
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    Quote Originally Posted by JIMMYLEE View Post
    Have you done this with tube-type wheels/tires?
    Yes, on my '83 RS.
    Have fun & Ride safe, Anthony
    '83 R100RS
    '03 GL1800A
    '99 KLR 250

  5. #5
    Administrator 20774's Avatar
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    I've always heard where getting the tire warmed by the sun helps. I'll ask the BMW dealer how they do it the next time I have my tires mounted by them!
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

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    Quote Originally Posted by 20774 View Post
    I've always heard where getting the tire warmed by the sun helps. I'll ask the BMW dealer how they do it the next time I have my tires mounted by them!
    I did the sun thing too. This tire was hot! Easy to put on rim, too, but just will not do the final seat. Blew my third tube today. My last one.

    I totally cleaned the rim out - no knicks, or old rubber residue. And I used the above suggestion to use liquid soap undiluted. The tire was so slippery, that it almost "fell" onto the rim, but just will not seat - even with numerous pounding with a rubber mallet and bouncing off the cement! Then, at about 100lbs. the tube blew!

    I am going to, I guess, see if I can return it and get either a replacement or simply go back to the exact brand (Dunlop) and size (110/90-18) that it had on it. I didn't mind the tire, but I wanted to go Michelins this time. I think if I go with a Michelin replacement, I will likely have the same issue.

    Can you call your dealer and see if they have ever installed THIS particular combination: Michelin 4.00 x 18 on a snowflake rim? Do they know of some secret?

    Thanks,
    Jimmylee

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    I have also had unreasonable difficulty with those Michelins. I took mine to a place, after blowing a tube. They also used high pressure, but did not blow their tube.
    I wish I could use these type tires again, but they seem too much hassle, at least with a tube.

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