Tyre pressure

[Yogibear69]

Just a bit of guidance please. I have inflated my tyres as per the book, checked with a separate gauge when cold then when bike running (cold and hot) the nav 6 says its 3-4 psi higher than the gauge. is one of then wrong or do i have a problem with my tps system.
thanks
fraser

 

[Deleted account 191119001]

Tyres always run higher when hot, do not worry

 

[Karlos]

Just a bit of guidance please. I have inflated my tyres as per the book, checked with a separate gauge when cold then when bike running (cold and hot) the nav 6 says its 3-4 psi higher than the gauge. is one of then wrong or do i have a problem with my tps system.
thanks
fraser

There was a write up in Ride magazine on tyre pressure gauges, it showed how far out some gauges are, including expensive ones. I’d check with another gauge, I find the pencil gauges are the most accurate and reliable. (I have a Snap On gauge which is several psi out).

Even if the TPS does show a difference it’s not a problem as long as the difference is consistent.


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[Mr Bean]

My Airman pump matches the onboard readings to 0.1 bar.

 

[Tractors are go]

It also relates to what tyres are fitted, the owners manual refers to oem tyres which may not be what you now have.

Most tyre manufacturers have a technical department who are usually very helpful.

As for difference in values shown, which is correct, unless you have access to a calibrated gauge, who knows ?

Of more importance is how the bike feels/handles to you, then stick to that indicated pressure.

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[Alan R]

There is a whole script in the owners manual that deals specifically with external pressure guages and tps temperature correction: have a read of that and see if your query is satisfied.
Alan R

 

[Deleted account 191119001]

Temperature
compensation
Tyre pressure is a temperature-
sensitive variable: pressure in-
creases as tyre temperature rises
and decreases as tyre temper-
ature drops. Tyre temperature
depends on ambient temperature
as well as on the style of riding
and the duration of the ride.
The tyre-pressure readings
shown by the multifunction
display are temperature-
compensated; the reference tyre
temperature for these readings
is always 20 °C. The air lines
available to the public in petrol
stations and motorway service
areas have gauges that do not
compensate for temperature; the
reading shown by a gauge of
this nature is the temperature-
dependent tyre pressure. In
most instances, therefore, these
gauge readings will not tally with
the pressures shown by the
multifunction display.

 

[Biot]

Also read that only forecourt airpumps that you pay to use have to be calibrated. Free to use one don’t.

 

[ChazzyB]

Also read that only forecourt airpumps that you pay to use have to be calibrated. Free to use one don’t.

Things have changed, then. When I were but a pimply yoof, pumping 4* during the summer after leaving school, the forecourt airline was checked and labeled so by local trading standards. That was free to use.

 

[Sea Dog]

Also read that only forecourt airpumps that you pay to use have to be calibrated. Free to use one don’t.

Charging folk to check or correct their tyre pressures - now there's a helluva contribution to road safety! How many folk bother once they see its gonna cost them a quid?

 

[younger06]

I boycott service stations with these stupid machines that charge you for air + water.

Also what's with the idiots incorporating vacuum's into the same machines........you get stuck behind a lad hoovering his Corsa.....with all the doors open while you're waiting to top up fluids or air your tyres!!!.


Is this the rant section???

Sent from a U11

 

[Tractors are go]

Things have changed, then. When I were but a pimply yoof, pumping 4* during the summer after leaving school, the forecourt airline was checked and labeled so by local trading standards. That was free to use.

Showing your age; there's hardly any trading standards now, nor staff either.

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