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Correct tyre pressure for 120/17/12?

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Messy
Scooby Slapper



Joined: 24 Jun 2007
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PostPosted: 11:41 - 03 Sep 2007    Post subject: Correct tyre pressure for 120/17/12? Reply with quote
Anyone know? Looked on the tyres and all they say is that the max speed is 150kmh!

I'll be lucky if the Scootay goes that fast!
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iooi
Super Spammer



Joined: 14 Jan 2007
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PostPosted: 14:02 - 03 Sep 2007    Post subject: Reply with quote
Owners manual should tell you, or manufactures web site.
It can be different depending on what make of tyre you have on.
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distortion
Nearly there...



Joined: 08 Mar 2005
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PostPosted: 15:11 - 03 Sep 2007    Post subject: Reply with quote
Tyre should have the psi on it. Check both sides
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 15:49 - 03 Sep 2007    Post subject: Reply with quote
distortion wrote:
Tyre should have the psi on it. Check both sides


Usually only a maximum safe pressure, not a reccomended pressure.

The tyres on the transit van for example say 65psi max, but the actual pressure they should be is something like 45psi.
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Pete.
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Joined: 22 Aug 2006
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PostPosted: 05:33 - 04 Sep 2007    Post subject: Reply with quote
Never check the tyre for the correct pressure for your vehicle. As above it's only a "maximum pressure for that tyre" Most times this will be well above what's recommended for the vehicle it's fitted to.
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distortion
Nearly there...



Joined: 08 Mar 2005
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PostPosted: 07:47 - 04 Sep 2007    Post subject: Reply with quote
The tyres on my CBR900 say exactly the correct pressure as they should be.
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sickpup
Old Timer



Joined: 21 Apr 2004
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PostPosted: 10:00 - 04 Sep 2007    Post subject: Reply with quote
distortion wrote:
The tyres on my CBR900 say exactly the correct pressure as they should be.


?

And they would be?
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feef
Energiser Bunny



Joined: 11 Feb 2002
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PostPosted: 10:03 - 04 Sep 2007    Post subject: Reply with quote
distortion wrote:
Tyre should have the psi on it. Check both sides


OMG not another muppet who's running their tyres at a billion PSI Laughing


That's the maximum pressure the tyre can handle.

A girl at work did that on her car, and wondered why she was shredding the centerline on her tyres in aroudn 1000 miles, and also why her braking was crap, when the wheels locked up all the time Smile

a
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map
Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 14:44 - 04 Sep 2007    Post subject: Reply with quote
If you're running the bike on the standard tyres (as fitted when new) then pressure should be in owners manual. As stated the psi on the tyre is nothing to do with the actual value you need to put in there.

If you're running another make of tyre then best bet is to contact the tyre company. Ok, the values in the manual will be in the right ballpark but contact the makers if you want to be sure.

It's quite surprising how much difference a few psi can make to the handling. Always the first thing to check before any (expensive) suspension/damper modifications.
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Old Thread Alert!

The last post was made 18 years, 206 days ago. Instead of replying here, would creating a new thread be more useful?
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