Questions about running my bike - Chicagoland Sportbikes
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post #1 of 25 (permalink) Old 11-11-2011, 05:10 PM Thread Starter
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Questions about running my bike

I took my 01 GSXR 1k to the track a few times, and didn't run very good numbers. I know my biggest problem is that I am not launching the bike very hard, and slowly opening the throttle in 1st gear. I may not even be going WOT in 1st lol. My short times are anywhere 2.0-2.2.

Admittedly, I am a little afraid of the bike coming up on me in 1st gear. I know on the street it power wheelies at somewhere between 9 and 10k at anything over 1/2 throttle, but I've never ridden it out, I always shift as soon as it happens. I have a friend who has an 03 Gix 750, and he said to just stay in it and try to move my weight forward when it comes up, and it will just go back down. Is this true? Even being around 260, it doesn't really feel like my weight will have much impact on the power wheelie and it will just keep going up until I let off and/or shift.

The bike is stock length, geared +2, lowered 3" in front, 2" in back (can go to 4" drop, but tire rubs), K&N, Micron slip on and Yoshimura EMS.

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post #2 of 25 (permalink) Old 11-11-2011, 05:13 PM
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its a road race bike......
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post #3 of 25 (permalink) Old 11-11-2011, 05:15 PM Thread Starter
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Oh, ok. Thanks for clearing that up for me. Guess all the guys with the "sport touring" Hayabusas are doing it wrong too, huh?

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post #4 of 25 (permalink) Old 11-11-2011, 07:10 PM
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a busa is more sport touring than a superbike.
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post #5 of 25 (permalink) Old 11-11-2011, 07:25 PM Thread Starter
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My point is that neither bikes are built to be drag raced, but those are 2 of the most popular bikes usedfor just that. Regardless, if I want to race my bike quarter mile, I will. Until somebody else make the payment on it, it's not their business how I use it. Now, back on topic

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post #6 of 25 (permalink) Old 11-11-2011, 07:34 PM
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Ride it out and see how high it gets. Your probably nowhere near the tipping point as long as you lean slightly forward.

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post #7 of 25 (permalink) Old 11-11-2011, 07:35 PM
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what kind of times have you run on it? trap speeds?
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post #8 of 25 (permalink) Old 11-11-2011, 08:13 PM
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Start in 2nd

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post #9 of 25 (permalink) Old 11-11-2011, 08:20 PM
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Cover the rear brake, use it to control the wheelie.

Power wheelies are not as explosive as clutch-ups.


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post #10 of 25 (permalink) Old 11-11-2011, 08:21 PM Thread Starter
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My best so far has been only [email protected] with 2.0 short time. I know it takes practice, launching bikes is not easy, especially with stock wheeelbase. The more passes I make the more confident I get, just takes getting used to.

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post #11 of 25 (permalink) Old 11-11-2011, 08:29 PM
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Do you launch at a specific RPM ?


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post #12 of 25 (permalink) Old 11-11-2011, 08:38 PM Thread Starter
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Not really, rev to probably 2500 or 3k, then slip the clutch out as I open the throttle. Im sure Im slipping it way too long

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post #13 of 25 (permalink) Old 11-11-2011, 08:44 PM
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Nevermind the haters!

It's going to take a lot of practice to launch a gsxr 1000 with stick wheel base but it can be done. You've got the right idea with the drop. I wouldn't "stay with it". If it goes up, your going to have to let up some and bring it back down. The torque on your set up is to violent to just ride out full throttle.

When you launch, try bringing the rpm's to around 7k. When the light turns start feathering the clutch out and give it more gas. Ideally, you want to feather out the clutch so your back wheel spins slightly as you take off.

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post #14 of 25 (permalink) Old 11-11-2011, 09:35 PM
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+1 on ignoring the haters. Sportbikes are used for dragracing because they are light and powerful. Makes more sense than roadracing a dirtbike, right sumo guys. LOL. Just keep practicing. When I had my 1K I ran 10.0s @ 140 with the 60' in the 1.6 to 1.7 range. You probably never get full throttle in first gear. I was geared -1/+1 and lowered about the same as you.

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post #15 of 25 (permalink) Old 11-11-2011, 09:43 PM
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its an 01?

my 08 cbr1000RR stock height, stock gears, stock tires, stock wheelbase ran [email protected], with 1.8 60fts.

you arent launching nearly hard enough. I'd basically rev it to around 10K, and slide the clutch out and the RPMs would never drop below 9K
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post #16 of 25 (permalink) Old 11-11-2011, 10:21 PM
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Call your dealer or parts distributor and purchase 3 new full
Clutch kits. Go out on a country road and destroy all of them. You think I'm kidding? Road racers have to get out of the hole off the grid as well. Although, once the first turn comes our race has just begun. Hold it at higher rpm everytime until you feel comfortable and find the sweet spot. While it's held at 8, 9 or 10 grand feather the clutch out and dump it when the light turns. Lean your head over the front wheel. Make sure the tire is good and hot so it hooks up better. Buy 5 used soft used road race tires to destroy as well. You will need to destroy several clutches and several tires to get it down. Remember to lean way forward.
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post #17 of 25 (permalink) Old 11-12-2011, 01:15 AM

 
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Has any one mentioned maybe holding down the front forks with some straps?

Maybe soften the rear shock?

You will also find time in keeping your left foot on the peg as the shift to second will come quicker if your ready.

Just some old timer tricks

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post #18 of 25 (permalink) Old 11-12-2011, 01:59 AM
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I launch my 600 at almost 10K. Granted I don't have the torque you do but I would say to get the rpms higher lean way over and work the clutch. Don't worry about a burn out or anything. Our tires on a good track will hook up just fine even with a stock tire. I ran 11.3 in the 120's doing that.

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post #19 of 25 (permalink) Old 11-12-2011, 03:31 AM
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I don't like the idea of strapping the front end down. In the event of a panic situation you have basically made it so there is no front suspension.

Aron needs to grow a pair of balls and burn up some clutches and tires. He'll get better
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post #20 of 25 (permalink) Old 11-12-2011, 05:01 AM
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watching road racers launch is often the most entertaining part of a race. Even some very good road racers have some interesting starts on occasion.

Drag racing is a skill that takes practice.

I wish someone would sponsor/ pay for a practice bike and expenses in return for the comedy that i'd provide trying to drag race

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post #21 of 25 (permalink) Old 11-12-2011, 07:28 AM
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Some good advice in here. The secret that most newbies get backwards, is that you don't measure out power based on the throttle, but based on the clutch. Power should stay in the powerband up at 7K+, and you feather the clutch to control the wheelie as you launch. If you have zero wheelie, let the clutch out a little more, if you have a growing wheelie, don't let it out as much. It takes practice. But if you are trying to launch based on how much throttle you give it, you will never get good at it. Learn the right way to start off and you will progress further.

Oh, and to please everybody on this site, you better not drag race, lower, extend, chrome, custom paint, modify, or in any way transform your bike into anything other than an AMA grid racebike. Then you gotta spend every dollar you earn on track days.
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post #22 of 25 (permalink) Old 11-12-2011, 08:04 AM
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I have seen some Ricky Gadson videos where he talks about how to launch well.



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post #23 of 25 (permalink) Old 11-15-2011, 10:42 AM Thread Starter
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Thanks for the advice guys. I was hoping to make it back out to Byron one last time this last weekend before they close for the winter, but I couldn't make it. By spring I dont know if I'll still be stock wheelbase or not

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post #24 of 25 (permalink) Old 11-15-2011, 10:48 AM
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Quote:
Originally Posted by Aron View Post
My point is that neither bikes are built to be drag raced, but those are 2 of the most popular bikes usedfor just that. Regardless, if I want to race my bike quarter mile, I will. Until somebody else make the payment on it, it's not their business how I use it. Now, back on topic
hey, rock on wit your bad self, no one told you what to do with your bike

you seem quite defensive
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post #25 of 25 (permalink) Old 11-15-2011, 12:05 PM

 
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Clutch to control it off the line. Finding the right RPM to hold at the start is key. Try all different ones till you find what works for you. Rear brake to control it once you are under way.

Practice, practice, practice. Back in the day, no one beat me off the line on my F2.

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