[ST] RE: tire fill for storage

["Keith Tynan" <keith@xxxxxxxxxxxxxxx>]

> Date: Tue, 26 Nov 2002 18:59:17 -0000
> From: "Jez" <jmjm@xxxxxxxxxxx>

If this thread ever had a remotely serious element, have a look at the
following correspondence I had with Avon's Chief Tech man... ~:)

BTW, I've kept the bit about pressures just in case that thread starts up
again...

Regards,
- --
BRG
mailto:keith.tynan@xxxxxxxxxxxxx
http://myweb.tiscali.co.uk/keith.tynan
'00 BRG Sprint ST 'Wolfram'


- -----Original Message-----
From: Smith, Lionel. [mailto:LSmith@xxxxxxxxxxxxxx]
Sent: Monday, December 10, 2001 08:44
To: 'keith@xxxxxxxxxxxxxxx'
Subject: RE: Tyre questions

Hello
To answer your questions in order;

1	No, do not reduce your tyre pressure if the machine is to be stood,
this allows too much flex in the sidewall and can promote cracking, or
premature aging

2	It is good to rotate the front tyre onto a separate spot, and weekly
would be more than sufficient

3	Running at 33/36 will improve initial grip, at the expense of wear.
However, if you are happy with available grip at 36/42, then why decrease
the pressure to wear the tyre out faster?. Only decrease the pressures if
you  are riding at a level where you are getting braking and powering
slides.

> -----Original Message-----
> From:	Keith Tynan [SMTP:keith@xxxxxxxxxxxxxxx]
> Sent:	Thursday, December 06, 2001 8:10 PM
> To:	lsmith@xxxxxxxxxxxxxx
> Subject:	Tyre questions
>
> Hi,
>
> I hope you wouldn't mind answering a few questions for me....
>
> I have a Triumph Sprint ST which is shod with AV39F & AV36R.
>
> 1) I've laid my bike up for the winter (at least until Easter). I've heard
> it suggested that it's better to reduce the pressures. If so, to what?
>
> 2) The bike has a centrestand, which keeps the rear tyre off the ground;
> the
> front is on the ground. Is it necessary to periodically rotate the front
> to
> a different contact point - would weekly be enough?
>
> 3) I take the ST on track days now and again, and push it quite hard. The
> sessions tend to be between 10 and 30 minutes in length, with gaps in
> between long enough for the tyres to cool completely. I had a word with
> Doug
> Ross at the NEC last month, and he suggested I run 33 psi front and 36 psi
> rear, giving it a couple of laps to warm up. Do you concur, or should I
> stick with my 36/42 road set-up?
>
> Thanks in advance.
>
> Regards,
> --
> Keith Tynan
> email: keith@xxxxxxxxxxxxxxx
> '00 Sprint ST BRG 'Wolfram'


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