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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through May 06, 2008 » Tire Pressure...Corsa III « Previous Next »

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Marko138
Posted on Sunday, May 04, 2008 - 06:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

For the guys running Pirelli Diable Corsa III's....what pressure are you running? My Pilot Powers liked higher pressure...I ran them 37 front and rear and never had issues slipping or sliding.

How bout with the Corsas?
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Deadduck
Posted on Sunday, May 04, 2008 - 06:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm wondering about that as well. I've got about 50 miles on my III's and I set the pressures at 40 and 38.....don't know if its right or not, but I do know they stick like glue....incredible tires even with the oily film from the factory they didn't slip....but I too would like a more educated approach at setting the pressures on them.
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Firebolteric_ma
Posted on Sunday, May 04, 2008 - 07:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I run mine at 34/36
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Deadduck
Posted on Sunday, May 04, 2008 - 07:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

34 front/ 36 rear or vice versa?
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Slaughter
Posted on Sunday, May 04, 2008 - 07:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You interested in performance/handling or long life? Those are two different pressures.

For max tire life, use the Pirelli recommended pressure (34/36 sounded about normal).

For track or spirited riding, you can start at 31/30 (front/rear)- but realize that you will burn through a set of tires in just 3 track days or about 1/4 the miles on the street - but the handling will be dramatically better.

31/30 is how they were set out here at Inside Pass track day at Willow Springs.
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Marko138
Posted on Sunday, May 04, 2008 - 08:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm looking for grip. I couldn't care less about milage....I just want them to stick.

I'll try low to mid 30's and see how they feel.

Thanks!
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Firebolteric_ma
Posted on Sunday, May 04, 2008 - 08:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

On the street I would try 32/34, Then adjust from there. I run them this way on Spirited rides. Make sure to check them when they are warm.

Track days I would do 30/31 (F/R) as stated above.
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Teddagreek
Posted on Sunday, May 04, 2008 - 09:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Got this from another forum I visited a while back...
I run them 34/36 myself I have tried 34/34 on a ride was pleased..



Here is the Track info.. Please Read very Carefully..


PIRELLI TRACKDAY
TIRE RANGE
DIABLO CORSA III
> Ideally suited for any riding group
Proven top level performance as the control tire for
the World Superstock 600 Series
> Tire warmers are not needed but can be used
> Three-zone compound rear provides edge grip for
the track and durability on the street
> Best performance vs. price value product in the US
DRAGON SUPER CORSA PRO
> DOT Race tires at economical price point
> Ideally suited for Intermediate to Advanced group
> Tire warmers recommended, but not required
> Proven performance with 16 AMA podium in 2006
DIABLO SUPERCORSA
> Ideally suited for Intermediate and Advanced group
> Tire warmers recommended, but not required
> Highest performing DOT race tire available
> Flattened shoulder profile for line-holding and
corner grip
> Proven performance with 6 AMA podiums thus
far in 2007

DIABLO SUPERBIKE SLICKS
> Ideally suited for Advanced riding group
(chassis set up is crucial to maximizing performance)
> Tire warmers not required but recommended
> Swept entire podium at Daytona 200 in 2007

COMPOUND LEGEND: www.us.pirellimoto.com • SC1 (Supersoft) • SC2 (Soft) • SC3 (Medium)

DIABLO CORSA III
FRONT SIZES:
120/65ZR17 (32psi*)
120/70ZR17 (32psi*)
REAR SIZES:
180/55ZR17 (32psi*)
190/50ZR17 (32psi*)
190/55ZR17 (32psi*)

DIABLO SUPER CORSA PRO
FRONT SIZES:
120/70ZR17 SC1 (30 psi*)
120/70ZR17 SC2 (30 psi*)
REAR SIZES:
160/60ZR17 SC1 (28 psi*)
160/60ZR17 SC2 (28 psi*)
180/55ZR17 SC1 (28 psi*)
180/55ZR17 SC2 (28 psi*)
190/55ZR17 SC1 (28 psi*)
190/55ZR17 SC2 (28 psi*)
190/55ZR17 SC3 (28 psi*)
DIABLO SUPER CORSA
FRONT SIZES:
120/70ZR17 SC1 (30 psi*)
120/70ZR17 SC2 (30 psi*)
REAR SIZES:
180/55ZR17 SC1 (28 psi*)
180/55ZR17 SC2 (28 psi*)
190/55ZR17 SC1 (28 psi*)
190/55ZR17 SC2 (28 psi*)

DIABLO SUPERBIKE SLICKS
FRONT SIZES:
120/70R17 SC1 (30 psi*)
120/70R17 SC2 (30 psi*)
REAR SIZES:
160/60R17 SC1 (28 psi*)
160/60R17 SC2 (28 psi*)
180/55R17 SC1 (28 psi*)
180/55R17 SC2 (28 psi*)
190/55R17 SC1 (28 psi*)
190/55R17 SC2 (28 psi*)
TIRE PRESSURE AND
TIRE WARMER GUIDELINES
Pressures indicated are a minimum start-
ing guideline for off road/track use only.
*Tire pressures indicated are cold pres-
sures and are to be used as a baseline.
Pirelli experience has indicated that if a
rider checks HOT (just off the track) pres-
sures and maintains them at 34.5psi to
36psi for both the front and rear tire they
will keep the tires in the “sweet spot” of
the temperature range and give maximum
performance.
Tire warmers should be installed for 45
minutes to 1 hour of use at approximately.
160 F before track use.
Suspension condition and set up will di-
rectly affect performance of tires and
motorcycle handling. Improper set up and
or improperly maintained suspension will
directly negatively affect tire performance
and wear charticistics.
Racing and track day use of Pirelli tires
constitutes extreme use and voids all ex-
pressed and implied warranties.
Diablo Superbike is a NON-DOT approved
acing slick and in never to be used on the
street. Anyone purchasing these NON-
DOT approved slicks must present a valid
Motorcycle racing license.
Rider assume all risks for racing and
track riding and manufacturer shall not be
liable for proximate, incidental, or conse-
quential damages except where limited or
prohibited by law.

((Derek’s Point))
Also like to state ,, that Pirelli recommends, for expert racers to run ALL there tires at 31Psi Front Hot and Rear 28 to 29Psi Hot . I wanted to share this info on the hot Psi. to recognize that there is a Psi. range that a person can adjust in , depending on there riding level.
But I would only recommend that the Advance guys trying these Psi ranges, because if the tire does not heat up to a 150 TO 170 F It will feel like you have a flat tire, and could cause you to loose control of the bike.
}
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Tx05xb12s
Posted on Monday, May 05, 2008 - 12:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I run my Corsa III's at 32/34 (front/rear) too. 36 on the rear is a little slippery for my taste. 34 is pretty good for street use. However I'm showing tire carcass inside of 3,000 miles at that rear tire pressure.
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Tank_bueller
Posted on Monday, May 05, 2008 - 09:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I run 32/34 as well for the street.

30/30 cold for the track.
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