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  1. #1

    Trailer Wheels Tire Pressure

    For those of you with the Sportster or new Speedsters I have a question about the tire pressure on my trailer.

    I did a search on this site (including the trailer section) but was unable to find what I was looking for.

    So here is my question: I have the trailer that came with my boat, what is the recommended tire pressure for the wheels? My tires do not say anything on them, and my dealer has given me 2 different answers (40 psi & 65 psi)?

    I just want to make sure the tires are properly inflated.

    Thanks!!!


  2. #2

    Join Date
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    From what I remember, the max cold pressure of my tires is 35lbs. I keep it at 31-32. It does say that on my tires, and I would guess that it's some kind of law or requirement for that information be on the tire. Maybe they're mounted backwards, and the info is on the inside of the tire?

  3. #3
    AKA: Larry lafjax's Avatar
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    That's a tough one!! My 8 inchers say 72 lbs. There has to be some markings to help you identify them, maybe on the inside??

  4. #4
    Got my answer.....got to love the power of the group and this forum.

    My tralier has a batch on it (kind of hidden as it is on the inside) that gives all the deatils on the trailer. It says to inflate to 80 PSI.

    The dealer was wrong 2 times!!!

  5. #5

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    72, 80 pounds! I better re-check that I'm reading mine correctly. I can see being a little different from a ski trailer, but I should have the same trailer as an '05 Sportster.

  6. #6
    AKA: Larry lafjax's Avatar
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    Quote Originally Posted by VX1 View Post
    72, 80 pounds! I better re-check that I'm reading mine correctly. I can see being a little different from a ski trailer, but I should have the same trailer as an '05 Sportster.
    My Karavan wheels are small, 8 inchers, but high pressure to compensate for larger tires. Makes a shorter trailer to the ground.

  7. #7
    most trailer tires in general be it for boat or other open bed trailer call for something fairly high 50psi or above.

  8. #8
    daverxp4's Avatar
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    60 psi on mine

  9. #9

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    You all must be using bicycle tires! Mine are Innova ST175/80D13, max load 1100lbs, max pressure 35lbs cold. Says it on the tire and sticker on the trailer.

  10. #10
    Moderator RX951's Avatar
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    Last edited by RX951; 06-02-2008 at 07:14 PM.

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