How much performance increase - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 17 (permalink) Old 01-09-2017, 05:29 AM Thread Starter
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How much performance increase

Hello . I have absolutly Stock GSXR 1000 K9.
If i will Install : R77 yoshi
Power commander 5
Auto Tune for new map
BMC air filter
Quick Shifter
Sprocket -1 +2

How much Rwhp i will have ? Ofcourse nobody can tell exactly how much but you have experiances becouse somone have done this setup before . And i am interested how do you think ? As i know stock GSX have somthing like 155 rear wheel hp. After doing this setup at least how much hp ? And maximum how much ?
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post #2 of 17 (permalink) Old 01-09-2017, 06:14 AM
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Re: How much performance increase

You should end up roughly at 170-172rwhp +/-
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post #3 of 17 (permalink) Old 01-09-2017, 06:54 AM Thread Starter
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Thanks that means i will take 13 -16 more hp then stock . Now another question . If i will change only Sprocket -1 +2 does my bike will be faster in street drags ? I mean it will increase performance a little or extramle ? For now ZX10R 2011 year with stock was faster then me if i will change only sprockets then i will be faster ? Or sprocket does not changes runs so much ?
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post #4 of 17 (permalink) Old 01-09-2017, 08:15 AM
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Re: How much performance increase

Changing the sprockets -1/+2 will make it accelerate quicker but will also make it wheelie more so you may not be able to go full throttle and end up going slower in a drag race as a result.
Gen4 ZX10R with slip on&ECU flash make 190+rwhp,it has a lot more horsepower then your K9. If you are both equally skilled launching and going down the 1/4mi,or roll-racing,then the more powerful Kawi will outperform your GSXR,all else being equal.
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post #5 of 17 (permalink) Old 01-09-2017, 05:33 PM Thread Starter
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Re: How much performance increase

Thank you oldgixxer you are always helping me ,

so as I understand for me its not good -1 +2 , with your opinion wich is good Setup ? -1 +1 ?

as I know Head Work, makes realy good results but I don't know too much about it , some people told me that we can make head work between 1000 - 1500 $


so If I will make this work on my motorcycle : PC5 , Quich Shifter , Air Filter , TRE , -1+1, Full R77 , Auto tune , and then also I will make head work in price between 1000 - 1500 $ what will be my result ?

sorry for asking too much , but after this all my motorcycle will have 190 + rwhp ? or that's not enough for Suzuki to recive 190 RWHP? am asking because as you said good kawa have 190 + Rwhp , for me its same I will have 155 rwhp or 174 or 179 because if I will not recive same Rwhp It will be waste a lot of money for me .
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post #6 of 17 (permalink) Old 01-09-2017, 05:45 PM
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Re: How much performance increase

Probably going to need head work with raised compression, cams, along with full exhaust and a tune to be getting to that level.
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post #7 of 17 (permalink) Old 01-09-2017, 08:09 PM
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Re: How much performance increase

Suzuki GSXR1000 KWS Motorsports N. Charleston, SC (843) 552-7177
This will give you an idea of what's possible, depending on your budget...none of it comes cheap.
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post #8 of 17 (permalink) Old 01-09-2017, 08:19 PM
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Re: How much performance increase

Carpenter Racing

And another...
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post #9 of 17 (permalink) Old 01-10-2017, 02:13 AM
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Re: How much performance increase

the street isn't for racing. ktnxbye.
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post #10 of 17 (permalink) Old 01-10-2017, 04:08 AM
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Re: How much performance increase

My L3 with ported head&Web Cams .395" /.358",full Akra exhaust,milled head for more compression,PCV made 192rwhp on pump gas. All the parts needed such as full exhaust,cams,headwork,PCV&custom tune came to roughly $4000 US. You can get more power but it will cost a lot more.
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post #11 of 17 (permalink) Old 01-11-2017, 04:19 AM Thread Starter
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And this 192 rwhp is enough to kill kawa and bmw ? Oldgixer what setup is your advice in sprockets ?
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post #12 of 17 (permalink) Old 01-11-2017, 06:27 AM
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Re: How much performance increase

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Originally Posted by Suzi1000 View Post
And this 192 rwhp is enough to kill kawa and bmw ? Oldgixer what setup is your advice in sprockets ?
Its not enough HP to kill the Kawi&BMW...But its enough rwhp to sit beside them and not get fucking assraped. I've beaten most of the 10R's and S1K's Ive run against but that was due to rider skill,not because my bike made shitloads more rwhp than theirs.

As your bike sits right now,you have ZERO chance to even give them a fair race. At least my L3 had a fighting chance becuase I had about the same rwhp as the Kawi&BMW.

My advice for sprockets for drag racing would be,-1 up front and see if you can keep the front wheel down under full throttle in 1st/2nd gear. If you can control the front with -1,then go ahead and use a +1 rear sprocket in addition to the -1 up front.

I get asked the question,and see this question asked all the time: "How can my K1-L6 beat a new S1000RR or ZX10R???"

Since you are at a tremendous rwhp disadvantage(30rwhp+)...You have 3 choices:
-modify the engine for more horsepower(this will make it harder to control and you may end up losing the race against the BMW anyways
- +6" swingarm with -1/+3 gearing without wheelies. But this will not be a fair race against a SWB bike
-buy a BMW or Kawi


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post #13 of 17 (permalink) Old 01-11-2017, 12:30 PM
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Re: How much performance increase

Basically, by the time you put the money into getting all the parts like @oldgixxer did, the combined amount of selling your K9 and the price of parts would get you a lightly used S1000RR or 4th gen ZX10R. And you'd have a lot more headroom to grow, power-wise, later on. With the K9, you'd be left with increasing the engine displacement, nitrous, or going FI (and building a new engine when your first one blows up, because you tried racing someone for extended periods and murdered your poor stock engine).
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post #14 of 17 (permalink) Old 01-11-2017, 02:30 PM
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Re: How much performance increase

Quick shifter makes a difference in your acceleration time...that plus a gearing change would be my 'bang for buck' choice.
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post #15 of 17 (permalink) Old 01-11-2017, 02:45 PM
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Re: How much performance increase

Those may make a difference, but it's not going to make up a 20-30whp difference. Those are mods that make the difference between two fairly equal bikes, which this wouldn't be the case.
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post #16 of 17 (permalink) Old 01-12-2017, 07:52 AM Thread Starter
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Thank you guys you all explaned whole situation absolutly ) just for Fun . If i will control fron wheel. Without any change if i will change only -1+6 it will be enough to win race against bmw and kawa ?
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post #17 of 17 (permalink) Old 01-12-2017, 08:21 AM
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Re: How much performance increase

Gear it to the moon,add a longer swingarm,and you should do much better than you are now. But if the BMW add's a longer swingarm,you're fucked

I never post these types of pics,but below is my L3 vs a full bolt-on S1000RR from 60-180mph. As you can see,at the finish line my L3 is slightly ahead of the BMW.
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