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Old 09-30-2010, 06:48 AM   #16
Jasper ST4
Oddometer: n/a
32f/34r on Lasertecs.
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Old 09-30-2010, 07:27 AM   #17
Old Enough To Know Better
mark1305's Avatar
Joined: Feb 2005
Location: Merritt Island, FL
Oddometer: 6,078
I'm usually at 30-32 fr and 32-34 rear. That seems to be the best compromise between best wear and best traction.

For offroad excursions on loose surfaces I air down to about 21-22 psi (no rimlocks, or I could go down to around 18 or so). I always have air with me to air back up when returning to pavement and minimize heat buildup at road speeds. Tip of the day: Locate your 12V receptacle and your pump where you can get to them without unpacking anything on the bike. DAMHIK.

To the poster who intends to run the pressure listed on the tire: That is the max safe pressure for the max rated load. Tires inflated to the limit tend to give up a significant amount of traction as the contact patch is reduced at the higher pressures. Don't find out the hard way.
Mark J
Merritt Island, FL

When a person asks you for advice, they don't want advice. They want corroboration.
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Old 09-30-2010, 11:22 AM   #18
Joined: Oct 2008
Location: NC
Oddometer: 13
Dunlop 220s front 27 rear 27

84' R80RT

What kind of mileage are you getting on those 32/36 psi tires?
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Old 09-30-2010, 01:39 PM   #19
Horizontally Opposed
Joined: May 2008
Location: U-puku-ipi-sing
Oddometer: 6,728
Bridgestone S11...front and rear. I got great mileage out of these tires. I run 'em 4 pounds less than max......

54' R51/3, 65' R60/2, 68' R60US, 74' Moto Guzzi Eldorado, 95' Mystic
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Old 09-30-2010, 01:51 PM   #20
Gnarly Adventurer
Joined: Dec 2009
Location: brisbane
Oddometer: 130
BT45s front and rear 34 and 38
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Old 10-01-2010, 07:54 AM   #21
Beastly Adventurer
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Joined: Sep 2009
Location: Vancouver Island
Oddometer: 1,163
1981 R100RT with BT45s. Front 34 Rear 38. this was after experimenting with lots of different pressures till I found what works best for me and my riding style.
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Old 10-01-2010, 09:51 AM   #22
Plated and screwed
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Joined: Sep 2008
Location: Lenoir City TN.
Oddometer: 1,545
Originally Posted by Sniper X
I have heard that modern tyres need their listed pressure, not what the bike calls for. Mine (stock) on my 1978 R100RS are listed on the dashboard, which is cool, but I think they are wrong. I am going to top them off tonight per the tyre sidewall.
I too have heard that and when i ask as why i was told that the rubber compounds are different now.

There may be some truth to because when i got my 72 Commando a few years ago it had the stock tires on it and i replaced them with the same Dunlop and the old tires had a lower pressure listed on it than the new ones.
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