Whats up guys, I would say Im an aggressive track rider that wants to get my bike up to par with some newer machines over the winter. I currently have an 05 1K with only racetech valves and springs and a stock rear shock. The front is pretty much maxed out full stiff and I heard the 05-06 forks suck. It seems the 07-08 will almost drop in, what about the 09+ BPF Showas? Obviuosly a lot more $$ but Im willing to invest if it will make a big difference lap time wise. I tried searching all around but havent found much. Can anybody help with this or point me in the right direction?
Thanks,
Jay
Whats up guys, I would say Im an aggressive track rider that wants to get my bike up to par with some newer machines over the winter. I currently have an 05 1K with only racetech valves and springs and a stock rear shock. The front is pretty much maxed out full stiff and I heard the 05-06 forks suck. It seems the 07-08 will almost drop in, what about the 09+ BPF Showas? Obviuosly a lot more $$ but Im willing to invest if it will make a big difference lap time wise. I tried searching all around but havent found much. Can anybody help with this or point me in the right direction?
Thanks,
Jay
So you want to take your current forks which are revalved and resprung (was it done for you or someone else, maxed out full stiff doesn't sound like they were setup for you)........and replace them with a set of stock forks that also have not been set up for you.
I don't understand the logic there?
If you want great performing forks you'd be better off dropping a set of Traxxion AK-20 or Ohlins cartridges with the proper rate springs for your weight. Then you'll have race-grade front suspension rather than just having another stock front end on your bike..........not to mention it's probably going to cost you more money to track down a set of 09+ forks and clamps to graft onto your front end.
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the 07/08s' will not drop in, they are different diameter and the clamps are probably a different offset too. You forks are fine, get a cartridge upgrade, and then.... heres the kicker, you really need to have someone dial it in. Any upgrade is useless unless someone adjusts it properly.
I upgraded from the 2005-06 GSXR 1000 front end to the 2007-08 GSXR 1000 front end because I was able to get a deal on a set of AK20...
The 2007 and up GSXR 1000 front end, including the BPF come wit 28mm triples which give you 2mm extra trail at the same rake angle...
So if your bike has the Racetech swing arm shaft adjusting plates, you do not need to raise the front end to get back some trail...
Some people say suspension is key to go fast... I think Suspension and Geometry are both important... When your bike is dial right, it will rail the corners effortlessly...
I appreciate the concern, I am doing the Racetech valves in the BPFs as well. I finally got time to just start this, the top Triple is the same 50mm and the bottom is only 1mm bigger. Any of the Drop ins I see for the 05 Forks are $2K? I am keeping the budget to $1K for doing the swap with the Racetech valves which are $250, I am doing the labor myself. I am surprised more people haven't done this honestly. I will try to keep updating on the project.
Just sounds to me like the current forks where not set up correctly from the start by having the wrong springs so why not get the correct ones, while at it put in some fresh fork oil set to correct height. Then put some money into getting a rear shock to complete the set up and have a better balanced package over all. Why bother spending money on another set of forks and then setting them up, only to still run the stock shock that is not going to get close to operating at the same level of the forks.
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Ill admit mine could have just needed seals and oil, they werent so bad, I am 200lb and was running 1.05 springs. I am doing a shock as well, used penske triple. I see the Ohlins drop ins for the BPF, the street/track one isnt too bad $$ wise.
So you want to take your current forks which are revalved and resprung (was it done for you or someone else, maxed out full stiff doesn't sound like they were setup for you)........and replace them with a set of stock forks that also have not been set up for you.
I don't understand the logic there?
IMO the Showas are a massive improvement over the KYBs in any event, thats just me though, my guess is Suzuki didn't pay anything over $200 a set for those KYBs. lol
Hey mate, how did you go with getting these forks on? The coating is gone on my 01 forks and they look like crap and wanted to try a radial brake upgrade anyway. Looks like getting a late model front end with the bpf is comparable to any fork upgrade with radial brakes for me. Any issues with the fitting? Did you need to do any machining?
IMO the Showas are a massive improvement over the KYBs in any event, thats just me though, my guess is Suzuki didn't pay anything over $200 a set for those KYBs. lol
I hear that a lot... What is the difference???
I was under the impression that Suzuki uses KYB on the GSXR1000 because they are better for their flagship GSXR1000...
You have to set up your KYBs just like you have to set up your Showas in order for them to work as good as they should...
And this information is relevant to the KYB on the 2005-06 GSXR 1000???
What is the name of the Shop who made this claims?
RPS(racing performance service) is a company based in Houston that supports Texas racers. I suspect they are no longer in business though, since a Google search fails to locate them.
But yes, the information is quite relevant. Dave Moss does setups on all my bikes and he agrees to the poorer design of the K5/K6's KYB fork internals...the Showas on the 600/750 are better. And since the creation of that thread over 6 years ago, I've been running Traxxion Dynamics AK-20 carts for the past 4 years or so; I happened to run into a racer friend who was parting out his K5. Along with the included springs, the front end has been much improved.
PS: You might want to read the whole thread...
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RPS(racing performance service) is a company based in Houston that supports Texas racers. I suspect they are no longer in business though, since a Google search fails to locate them.
But yes, the information is quite relevant. Dave Moss does setups on all my bikes and he agrees to the poorer design of the K5/K6's KYB fork internals...the Showas on the 600/750 are better. And since the creation of that thread over 6 years ago, I've been running Traxxion Dynamics AK-20 carts for the past 4 years or so; I happened to run into a racer friend who was parting out his K5. Along with the included springs, the front end has been much improved.
Luis
- Wag
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