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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through November 21, 2008 » Trackday Crash; Corsa 3's are no track tire!! » Archive through November 04, 2008 « Previous Next »

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Buellborn
Posted on Sunday, October 19, 2008 - 05:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

THe pics are cool. The bad news is there is no magic tire, most every bike made has more power than the tires can hold back on their own. A good rider can make time on knobbys if need be.

Ride on!
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Dre99gsx
Posted on Sunday, October 19, 2008 - 06:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Glad your ok. From that 1st photo, I do think you position needs some adjustment. Also, your gear looks a size too big for you?

I've seen some pretty good lap times at the 1125r's at the Buell Inside pass. Guys were draggin knee and running the snot out of them. The Corsa IIIs seem like a damn good bargain and performer.
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Duggram
Posted on Sunday, October 19, 2008 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bob, all I can say is that I'm just starting to learn. And, like Dre points out Corsa 3's are a good bargain. I see from all the feed back that I need to learn how to ride on the Corsa 3's.

Dre, taylor mades are coming for Christmas.
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Xl1200r
Posted on Sunday, October 19, 2008 - 07:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have to admit, you have the CR CRAZY CRANKED OVER in your profile pic! Awesome!

Thanks - not bad for my first time on a track, eh?
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Carbonbigfoot
Posted on Sunday, October 19, 2008 - 08:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pretty friggin sweet! That's a beautiful pic.

I hear the Black ones lean over further, even though the Red ones are Faster...

Nice Buell emblem at the bottom of the pic...

<grin>

Rob
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Chadhargis
Posted on Monday, October 20, 2008 - 03:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've been riding the track exclusively on the Corsa III's for the last two years. I buy them from NESBA for $280 to my door.

I don't think even a full race slick would do much good if you accidently ham fist it in a big lean.

Unless your racing for dollars, mount up a set of Corsas, and when you heel over in a turn, GENTLY feed the throttle until you feel the back in squat down and begin to wiggle a bit. Once you feel that....stop rolling on unless you want to purposely step the rear out.

Under braking, if the bars are "tight", then you have grip...when they start to get "loose" you are running out of grip.

Just learn to "listen" to what the bike is telling you and you can ride on a set of bald bicycle tires. LOL! : )

But I understand the need to have confidence in your tires. Just take a look at some old vintage racing footage from the 60's and 70's of those guys riding on skinny bias ply tires and absolutely hauling tail doing it.

It's not the arrow....it's the indian. : )
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Duggram
Posted on Monday, October 20, 2008 - 06:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Chad, thanks for the advice. When I ride I do think about some things, like stuff from Code's book. Next weekend I'll be looking for the rear to squat.

I do have one question from your post, what do you mean by the bars being tight under braking?
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Chadhargis
Posted on Wednesday, October 22, 2008 - 01:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A motorcycle inherently wants to remain upright. This is due in part to the trail built into the front end.

When you apply the brakes, this will cause the front tire to center itself (which is why a bike "stands up" under braking). This will "tighten" up the bars. If you tried to initiate a turn during hard braking (or if you are trail braking deep into a turn), the bars are very stiff. This is good.

When you feel the bars begin to get a bit "loose", that means you are loosing grip up front. It's something few people are good enough to feel (and I'm not going to try it!), but it's there.

Unless you plan on racing, it's best to leave serious trail braking to the ones chasing dollars and do your braking before the turn.
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Polish_assassin
Posted on Wednesday, October 22, 2008 - 05:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Take a close look at the first photo you posted, your dragging your knee and trying to hang over the opposite side of the bike, There is nothing wrong with the corsa's, It's your body position. In that photo you should be trying to touch the left mirror (not in photo) with your helmet, not hanging over the other side. I'm sure any other badweb racers would agree that you low sided because you ran out of tire due to overleaning the bike. Please don't be offended, I'm not a critic I'd just hate to see you get hurt the next time it happens.
Mark
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Duggram
Posted on Wednesday, October 22, 2008 - 07:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Chad, again thanks for the advice and explanation. I've been working with light trail braking and felt the stand up from the too much. After that happened a couple of times I figured out where my limit is.

Mark, I recently started reading Code's ...Wrist 2 book. On page 86 he talks about push-it-under riding style which has been my style so far. I was dirt track racer in the 60s and 70's, and that's where I get the head on the wrong side-throw it down style.

Code says the solution to this problem style is Pivot Steering through weighting the outside peg. If you think it through you can see how it works. I've been practicing this on my street bike and will try it on the 1125 this weekend at the track. BTW I do plan to stay with Corsa 3's because I'm only a trackday rider for now. But I will switch to DOT tires when I become a beginner.
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Dirty_john
Posted on Thursday, October 23, 2008 - 02:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Had Corsa 3s on my Firebolt, took them off after about 300 miles due to stepping out at moderate angles of lean - they were alright at full lean just seemed poor at less than fullly over, fitted Metzeler Sportec M3s and had not further issues.

It does tend to rain a lot in UK however.

As soon as my 09 1125R arrives the wheels are coming out and Metzelers will be fitted.
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Smoke
Posted on Thursday, October 23, 2008 - 06:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

dirty john,
how much you want for the 3's? i think shipping will kill the deal though. i'm runnin strada's on the street 1125. managed to get 2 track days and 8500 miles till the rear showed steel belt. i have been runnin the 3's and slicks on the track 1125. have fun.
tim
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Rfischer
Posted on Thursday, October 23, 2008 - 08:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

'nother suggestion, which you inadvertently highlighted earlier in this tread re. dirt riding experience, tuck your elbows in. You're riding with "chicken wings", great for upright dirt riding to keep control of a skittish front end, but de-stabilizing on fast pavement. Elbows in, neutral on the bars after turn-in, feed power gradually to stabilize the bike on its suspension. You'll know when you have it right 'cause the corners start to become more relaxed, you're not working so hard, and the bike feels solid underneath you.
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Spectrum
Posted on Thursday, October 23, 2008 - 08:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 what Robin said. Elbows out can also means your leaning on the front and putting too much of your weight on the front wheel. This makes the destabilizing effect even worse.

Ask me how I know. Learned this lesson the hard way myself.
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No_rice
Posted on Thursday, October 23, 2008 - 12:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

your seating position does play into everything else also.

i sit up by the tank more when im riding aggressively. i feed alot of throttle even at full lean. usually about to the point of smoking the back end. sometimes past that, lol. but being that hard on the throttle means my frontend likes to try and skim the payvment or just plain hover above it. i learned that on my 9 trying to figure out a slight frontend wiggle under acceleration in the corners.

play around with where you sit on the bike also. an inch or 2 front to back can make the bike handle completely different.
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Dirty_john
Posted on Thursday, October 23, 2008 - 12:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Smoke - I live in UK _ as in Great Britain, not the States - unless you are in UK it would not be worth your while
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V8killr
Posted on Saturday, October 25, 2008 - 12:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I’ll start by saying I’m no pro or even close for that matter. In addition, let me add that this may have been said as I’ve not read the whole thread…but I’m not going to sugar coat this. Frankly, your perspective scares me. Unless perspective changes, you’re going to hurt yourself, others or both. Sticker tires are not the answer, throttle control is. It’s hard to maintain when we get the adrenaline going around a track, but we all need to keep that connection brain to right hand always. You’re not going to be flawless, however, giving up is unacceptable and dangerous. In fact switching to slicks or DOT race tires is likely going to be even worst. I’ve used slicks. However, I only did that because I got cheap take offs from buddies. I’m not fast enough to push the line of slicks, but I’ve been told by pros that tires like the Corsa III are less abrupt when that start to loss traction, as apposed to slicks which can go from grip to a WTF just happened…oh wave at the bike as it slides past you. To this point, Corsa II will give you recovery time which slicks may not. I’m not writing this to be a dick and you can take away what you like. However, I would like for all us riders to keep the shiny side up!

Best of luck and ride safe!!!

Jason

(Message edited by V8KILLR on October 25, 2008)

(Message edited by V8KILLR on October 25, 2008)
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Slypiranna
Posted on Saturday, October 25, 2008 - 05:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You just never know who is within this crowd.

Read the entire thread before making a call...

And if you really are the V8killr, try to wound this! LOL!...mm

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Slypiranna
Posted on Saturday, October 25, 2008 - 06:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Now then, back to the thread's POSITIVE and useful intent...NEXT!
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Ridenusa4l
Posted on Saturday, October 25, 2008 - 06:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

sorry to get off topic but slypiranna what kind of engine is that, what kind of power, and what the heck is it in???...
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Slypiranna
Posted on Saturday, October 25, 2008 - 06:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

1000+ on pump 93, 1500+ on race mix. 1800 on Alternate fuel mix...

Daily driver/w/AC! LOL!

$250k all alloy, 441" Rodeck/Brodix/SB Chev based custom build, just completed three months ago...sportin' Latest Closed Loop Efi and alternate fuel concepts!

Triple overdrive in a very light chassis...drive it to Cali from Fl @ 20+ miles/per gal!

Few bikes tangle!

But that wasn't the point.

Back to topic and Positive direction concerning tyres/rider input. mm
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Bearly
Posted on Sunday, October 26, 2008 - 11:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can really notice a big change in the Corsa III's when I drop the pressure down up to 4-5 psi for even aggressive street riding. Dropping the the pressure means the difference of getting the occasional slide with minor surface imperfections and just being able to crank a lot of power in the corner. I always carry a good radial tire gauge (made in USA) and stop and pump them up if I'm going slab it back from the good roads.

I'm a new (2.5years) street rider myself also coming from a long history of dirt riding. It took me a while and a couple of books to get my entire CG inside of the bike. I'm not small but I get my head out near the hand grips and the mirror. That puts my outside shoulder inside the bikes center line. I weigh, way more than half the bikes weight. So I have a pronounced influence on the bikes behavior in the corner. Never had any instruction like I say just books. I don't ride straight up anymore as I use to (see profile).

Legal notice All highly speculative. All views here are the sole guess of Bear B. Lemley. All statements are fictional in nature until proven otherwise by a higher authority and have no basis in fact. Statements above do not represent the opinions of Buell Motorcycles USA, WWW.BadWeatherBikers.Com or any one else that could take litigation against me. All statements will be retracted immediately upon the slightest opinion from anyone else to the contrary and Bear will be held harmless against all verbal and physical abuse by Badweb members and Buell Motorcycles USA staff and employees. I'm not worthy.
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Jmr1283
Posted on Sunday, October 26, 2008 - 02:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

"40front/60rear percent weight loading. light on the bars. currect turn in point. just enough lean angle. one steering input per turn if possible. get to ur body position before u make ur turn. also good throttle control. "
keith code.

great books. Even if ur solely a street rider.
Some good stuff.

when in doubt gas it.
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Redscuell
Posted on Monday, October 27, 2008 - 01:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sly, as a past turbo fanatic (built my first one from scratch onto a 1972 Pinto 2.0 with a draw-through carbie when intercoolers were something we commoners could only dream about) who graduated to a pair of 86 SVO turbocars, I'm mighty impressed with the engineering and design of the installation in your pic. Yum!
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Duggram
Posted on Monday, October 27, 2008 - 10:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There are some great comments in this thread, but unfortunately there are also some inconsiderate posts that you have to weed through. Why not start your own thread so you can have a complete discussion on your topic?

Josh, have you been to Code's forum? I'm just getting started there but the discussions seem to answer a lot of riding questions.
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Paint_shaker
Posted on Monday, October 27, 2008 - 08:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Holy crap!!!! There is a lot if info on that forum!
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Jmr1283
Posted on Monday, October 27, 2008 - 09:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Duggram- NICE!! good find. thanks
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Khill
Posted on Saturday, November 01, 2008 - 07:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have been running 29/26 COLD tire pressure on my Corsa 3's....Seems to work very well. Edit-at the track

Here is a link to my riding tips that I send out every month...

http://shopping.netsuite.com/s.nl/c.ACCT129736/sc. 25/category.1107/.f

Ken

(Message edited by khill on November 01, 2008)
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Krassh
Posted on Saturday, November 01, 2008 - 08:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I didnt like the corsa IIIs, thought there was a lack of feel. Got 2cts on now and they are much better.

+1 Love the Pilot Power 2CT's I put on before my Inside Pass in Vegas.
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Buellrcr
Posted on Tuesday, November 04, 2008 - 07:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

corsa3 are good track day tires, i race a 1125 and xbs corsa3 are good if the bike is set up right and you dont ride over your head. i was running about a second slower on corsa3 than the race tires i run.the corsa3 have good feed back
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