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Offline Rick B

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PR 5's
« on: September 13, 2020, 11:09:49 AM »
Just a quick one ,,Recommended pressure for Pr5 solo rider 10st, full luggage but not overloaded,2020 XRT
Rick
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Online Stevie.P

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Re: PR 5's
« Reply #1 on: September 13, 2020, 12:45:42 PM »
I stick to the Triumph recommended 36/42 psi for all variations .... solo, solo with luggage, 2 up and 2 up with luggage.
Also owned my 1979 Bonnie T140E from new!

We don't stop playing because we grow old .. WE GROW OLD BECAUSE WE STOP PLAYING!!!


Offline Rick B

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Re: PR 5's
« Reply #2 on: September 13, 2020, 01:07:18 PM »
*Originally Posted by Stevie.P [+]
I stick to the Triumph recommended 36/42 psi for all variations .... solo, solo with luggage, 2 up and 2 up with luggage.
[/quote
Cheers Steve,Would that cover the Pilot 5?
The Perfect Woman,
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Online Stevie.P

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Re: PR 5's
« Reply #3 on: September 13, 2020, 01:29:13 PM »
I'm running Pilot 5's, previously had Pilot Road 4's.  :028:
Also owned my 1979 Bonnie T140E from new!

We don't stop playing because we grow old .. WE GROW OLD BECAUSE WE STOP PLAYING!!!


Offline Rick B

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Re: PR 5's
« Reply #4 on: September 13, 2020, 01:45:42 PM »
Done,,,Thanx
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Offline Djairouks

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Re: PR 5's
« Reply #5 on: September 13, 2020, 03:29:27 PM »
36/42 are listed as max cold pressure on side walls of tires, so logic dictates, this would only be with passenger and luggage.

I find most tires nowadays, give better results with 33-34 front and 39-40 rear, but it also depends on how the bike weight distribution works, more on the front or not.

Offline mcinlb

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Re: PR 5's
« Reply #6 on: September 13, 2020, 06:55:44 PM »
If a change of pressure based on load were necessary, then I'm sure triumph would list it in the manual  :084: :084:

Offline Djairouks

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Re: PR 5's
« Reply #7 on: September 13, 2020, 06:59:03 PM »
*Originally Posted by mcinlb [+]
If a change of pressure based on load were necessary, then I'm sure triumph would list it in the manual  :084: :084:

Do you think, adding a 70kg passenger does nothing to compress the tire and change the contact patch size ?

Offline coddy

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Re: PR 5's
« Reply #8 on: September 13, 2020, 08:00:49 PM »

Do you think, adding a 70kg passenger does nothing to compress the tire and change the contact patch size ?
[/quote]



Perhaps but as per Triumph Manual the suspension is adjusted not the tyre pressures.

Offline Djairouks

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Re: PR 5's
« Reply #9 on: September 13, 2020, 08:07:38 PM »
*Originally Posted by coddy [+]
Do you think, adding a 70kg passenger does nothing to compress the tire and change the contact patch size ?




Perhaps but as per Triumph Manual the suspension is adjusted not the tyre pressures.

Your reply doesn't make sense think about it, if you adjust the suspension the tire pressure needs to be adjusted as well, all my mechanics of any brands always said it
Preload is for proper sag and suspension work, it will not magically uncompress the tire off the added load, air is compressible.

If the contract patch gets bigger, it means increased temperature and wear of the rear, you won't likely have issues, but you could have less wear and better handling adjusting to a proper pressure.

https://www.rideapart.com/articles/255498/5-things-you-need-to-know-about-motorcycle-tire-pressure/
« Last Edit: September 13, 2020, 08:11:37 PM by Djairouks »

 


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