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  1. #1
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    air pressure... what's the perfect PSI number for trailer tires????

    i always forget... 35-50 psi???

  2. Member
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    #2

    Re: air pressure... what's the perfect PSI num ... (greenpumpkin34)

    I think 50. but it should be on the tire.
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  3. Moderator 21XDC's Avatar
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    #3

    Re: air pressure... what's the perfect PSI num ... (greenpumpkin34)

    Depends on the tire.Inflate to max though. Marathons are rated to 60lbs if you pull over 65 mph or are pushing the weight limit.

    Marks Props 317-398-9294, 1850 East 225 South, Shelbyville, Indiana 46176 propellerman59@gmail.com http://www.marksprops.com/index.html

  4. Member
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    #4

    Re: air pressure... what's the perfect PSI num ... (greenpumpkin34)

    50's the magic #...

  5. RIP Evinrude 1907-2020 JR19's Avatar
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    #5

    Re: air pressure... what's the perfect PSI num ... (greenpumpkin34)

    My load class B Marathons called for 35 psi

    My load class C Marathons call for 50 psi

    Read the side wall and run what the mfg reccomends.

  6. Member
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    #6

    Re: air pressure... what's the perfect PSI num ... (JR19)

    what the tire says

  7. Member
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    #7

    Re: air pressure... what's the perfect PSI num ... (macbryant)

    marathons are junk! but most mfg's say add 10 psi to the max if you run over 65 mph and change tires every 4 years. i have had 3 blowouts this year on 2 different trailers!

  8. Member
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    #8

    Re: air pressure... what's the perfect PSI num ... (james69z28)

    Have run Marathons for 10 years on various boats, nary a problem. Best trailer tire on the market, bar none. Most boats come with them for a reason. Run the pressure listed on the tire and you'll be fine.

  9. Member dk239's Avatar
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    #9

    Re: air pressure... what's the perfect PSI num ... (ZX200 Tim)

    Check your trailer, most have a tag that gives the recommended pressure.
    David Blanton


    Stratos 201XLE

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    #10

    Re: air pressure... what's the perfect PSI num ... (james69z28)

    <table width="90%" cellspacing=0 cellpadding=0 align=center><tr><td>Quote, originally posted by james69z28 &raquo;</td></tr><tr><td class="quote">marathons are junk! but most mfg's say add 10 psi to the max if you run over 65 mph and change tires every 4 years. i have had 3 blowouts this year on 2 different trailers!</td></tr></table>

    No wonder you have had two blow outs, running 10 psi over at hwy speeds. Hwy speeds create higher heat which in turn raises the psi. one pound for every 10 degrees.

    You may also be over loading the tires.Don't know what your haulin but I agree that Marathons have been a good trailer tire for years.



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