Dunlop 211 Pressures? - Chicagoland Sportbikes
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post #1 of 7 (permalink) Old 08-16-2012, 05:53 PM Thread Starter
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Dunlop 211 Pressures?

I've been searching, and I finally gave up. What is the correct warm/hot pressures for the 211's while on the warmers?

It's been a year since my crash, and I can't seem to remember shit.

I was thinking: 32psi-F / 23psi-R ???



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post #2 of 7 (permalink) Old 08-16-2012, 08:09 PM Thread Starter
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Okay, I finally found what I needed on the Dunlop site.

http://www.dunlopracing.com/Pressures.pdf



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STT "A" 130
Track: 2006 GSXR-750
Street: 2011 H-D Ultra Limited (Road Sofa)

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post #3 of 7 (permalink) Old 08-16-2012, 09:51 PM
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I have run as low as 19 on my rear (cold) and it worked well, but I have never gone above the recommended 21 (cold). Love the tires! I hear the new Michelin slicks are great though.

One day I will try the Stones or the Michelins (slicks)

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post #4 of 7 (permalink) Old 08-16-2012, 10:02 PM
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Make sure you check with the local Dunlop guy at the track though. For example the Dunlop guy recommended a couple of psi more for the rear at Blackhawk. Don't remember the reasoning but something about the long right hand sweeper before the straightaway and how abrasive it was.

I run the 211 and 209 US and at different tracks my guy recommended different pressures. ONly varied by a couple of psi.
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post #5 of 7 (permalink) Old 08-16-2012, 10:43 PM
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Long right hand sweeper before the straigt ?? at BHF ?

turn 7 is a tighter turn, turn 6b is more of a kink.. hmm.. I wonder what he was talking about.

Maybe turn 6a (entrance up to 6b) is what he was referring to I gues..

At BHF, I have been good at 20-21 UK spec 211's and UK spec slicks

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post #6 of 7 (permalink) Old 08-21-2012, 05:59 PM
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Over the years I have learned that these are the most sensitive tires known to man. Yet, I keep going back for more
I usually start out cold at 31-21 do a few sessions at a reasonable fast pace and keep checking the tire wear and adjust the pressure accordingly. I have never made more than a 3psi adjustment. Then you have to think about your pace as the faster you go you're creating more heat which will create tears of your pressure is off. Good thing is that the nasty cold tear can be healed within one session. Next, you have to think about what track you're at. Tracks like ACC (north) are notoriously hard on your tires (especially the right side) with those fast sweeping corners. So once again you have to dial in the pressure to heal any tears. I usually find myself with deep cold tears which usually means drop a psi or two. That being said there is no magical psi it's all about learning the difference btw a hot/cold tear which will basically tell you what you need to do with the psi. I have yet to ride a Pirelli but from what I hear they are a little more forgiving.
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post #7 of 7 (permalink) Old 08-21-2012, 09:31 PM
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Quote:
Originally Posted by JTRC51 View Post
Long right hand sweeper before the straigt ?? at BHF ?

turn 7 is a tighter turn, turn 6b is more of a kink.. hmm.. I wonder what he was talking about.

Maybe turn 6a (entrance up to 6b) is what he was referring to I gues..

At BHF, I have been good at 20-21 UK spec 211's and UK spec slicks
Yeah I don't know the track well at all. It happened to be a CCS race weekend and all my buddies from RnR Racing from VA were there so I decided to head over there while we were visiting Chicago that weekend. They ran endurance that Saturday I believe.
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